{"title":"Sandpiper Heavy Duty Flap Valve AODD Pump Diaphragms","description":"\u003cp class=\"PDq2pG_selectionAnchorContainer\"\u003eGenuine Sandpiper Heavy Duty Flap Valve AODD pump diaphragms supplied by ABS Engineering, an authorised Sandpiper distributor with over 30 years of experience in industrial pump parts and support. These replacement diaphragms are intended for compatible Sandpiper Heavy Duty Flap pumps designed for challenging solids-handling applications involving abrasive slurries and large or fast-settling solids. The current Heavy Duty Flap range includes both metallic and non-metallic pump configurations. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eBrowse genuine replacement diaphragms for Sandpiper Heavy Duty Flap Valve models including \u003cstrong\u003eHDF1\/HDF25 1\", HDF2 2\", HDF3\/HDF4 3\" and 4\", HD20F 2\", SPB20 2\", and applicable BEAST 2\", 3\" and 4\" pumps\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e Available diaphragm materials and manufacturer part numbers vary according to the specific pump model, size, pump construction and design level.\u003c\/p\u003e\n\u003cp\u003eBefore ordering, confirm your \u003cstrong\u003eSandpiper pump model, pump size, metallic or non-metallic construction where applicable, design level, existing diaphragm material and manufacturer part number\u003c\/strong\u003e. ABS Engineering can assist with identifying the correct genuine Sandpiper Heavy Duty Flap Valve diaphragm for your pump.\u003c\/p\u003e","products":[{"product_id":"sandpiper-hdf1-hdf25-heavy-duty-flap-diaphragm","title":"Sandpiper HDF1 \/ HDF25 1\" Heavy Duty Flap Valve AODD Pump Diaphragm for Metallic Pumps","description":"\u003cdiv class=\"sp-diaphragm-desc\"\u003e\n\n\u003cstyle\u003e\n.sp-diaphragm-desc{\n  --sp-blue:#1e3a8a;\n  --sp-blue-light:#eef2ff;\n  --sp-blue-soft:#f7f9ff;\n  --sp-text:#2b2f38;\n  --sp-muted:#626977;\n  --sp-border:#e1e5ec;\n  --sp-white:#ffffff;\n  max-width:1100px;\n  margin:0 auto;\n  font-family:Arial,Helvetica,sans-serif;\n  color:var(--sp-text);\n  line-height:1.65;\n}\n.sp-diaphragm-desc *{box-sizing:border-box;}\n.sp-diaphragm-desc h2{color:var(--sp-blue);font-size:27px;line-height:1.3;margin:0 0 12px;}\n.sp-diaphragm-desc h3{color:var(--sp-blue);font-size:21px;line-height:1.35;margin:38px 0 14px;}\n.sp-diaphragm-desc 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gap:16px;margin:22px 0 38px;\n}\n.sp-benefit-card{\n  border:1px solid var(--sp-border);border-radius:10px;\n  padding:20px;background:var(--sp-white);\n}\n.sp-benefit-number{\n  width:30px;height:30px;display:flex;align-items:center;justify-content:center;\n  background:var(--sp-blue-light);color:var(--sp-blue);border-radius:50%;\n  font-size:13px;font-weight:700;margin-bottom:13px;\n}\n.sp-benefit-card p{font-size:14px;color:var(--sp-muted);margin:0;}\n\n.sp-table-wrap{\n  overflow-x:auto;margin:18px 0 38px;border:1px solid var(--sp-border);\n  border-radius:10px;\n}\n.sp-spec-table,.sp-part-table{\n  width:100%;border-collapse:collapse;font-size:14px;min-width:580px;\n}\n.sp-spec-table th,.sp-spec-table td,.sp-part-table td{\n  text-align:left;padding:13px 16px;border-bottom:1px solid var(--sp-border);\n  vertical-align:top;\n}\n.sp-spec-table th{\n  width:34%;color:var(--sp-blue);background:#f8f9fc;font-weight:700;\n}\n.sp-part-table th{\n  background:var(--sp-blue);color:#fff;padding:12px 14px;text-align:left;\n}\n.sp-part-table tr:nth-child(even) td{background:#f8f9fc;}\n\n.sp-note{\n  border-left:4px solid var(--sp-blue);background:var(--sp-blue-soft);\n  padding:16px 18px;margin:18px 0 34px;border-radius:0 8px 8px 0;font-size:14px;\n}\n\n.sp-faq{border-top:1px solid var(--sp-border);margin-bottom:36px;}\n.sp-faq details{border-bottom:1px solid var(--sp-border);}\n.sp-faq summary{\n  cursor:pointer;list-style:none;color:var(--sp-blue);font-size:15px;\n  font-weight:700;padding:17px 34px 17px 4px;position:relative;\n}\n.sp-faq summary::-webkit-details-marker{display:none;}\n.sp-faq summary:after{\n  content:\"+\";position:absolute;right:5px;top:14px;font-size:22px;font-weight:400;\n}\n.sp-faq details[open] summary:after{content:\"−\";}\n.sp-faq details p{padding:0 4px 17px;color:var(--sp-muted);font-size:14px;}\n\n.sp-related-grid{\n  display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));\n  gap:16px;margin:20px 0 38px;\n}\n.sp-related-card{\n  border:1px solid var(--sp-border);border-radius:10px;padding:20px;\n  background:#fff;display:flex;flex-direction:column;min-height:180px;\n}\n.sp-related-label{\n  display:inline-block;width:max-content;color:var(--sp-blue);\n  background:var(--sp-blue-light);padding:5px 9px;border-radius:16px;\n  font-size:11px;font-weight:700;margin-bottom:12px;\n}\n.sp-related-card h4{font-size:16px;margin-bottom:8px;}\n.sp-related-card p{color:var(--sp-muted);font-size:13px;flex-grow:1;}\n.sp-related-card a{color:var(--sp-blue);font-size:13px;font-weight:700;text-decoration:none;}\n\n.sp-help-banner{\n  background:var(--sp-blue);color:#fff;border-radius:12px;padding:28px 30px;\n  display:flex;justify-content:space-between;align-items:center;gap:24px;\n  flex-wrap:wrap;margin-top:40px;\n}\n.sp-help-banner h3{color:#fff;margin:0 0 7px;font-size:20px;}\n.sp-help-banner p{color:#e4e9f8;font-size:14px;margin:0;max-width:660px;}\n.sp-help-banner a{\n  flex-shrink:0;background:#fff;color:var(--sp-blue);text-decoration:none;\n  font-weight:700;font-size:14px;padding:12px 24px;border-radius:25px;\n}\n@media(max-width:760px){\n  .sp-diaphragm-desc h2{font-size:23px;}\n  .sp-overview-wrap{grid-template-columns:1fr;}\n  .sp-help-banner a{width:100%;text-align:center;}\n}\n\u003c\/style\u003e\n\n\u003cspan class=\"sp-eyebrow\"\u003eGenuine Sandpiper Replacement Part\u003c\/span\u003e\n\n\u003ch2\u003eSandpiper HDF1 \/ HDF25 1\" Heavy Duty Flap Valve AODD Pump Diaphragm for Metallic Pumps\u003c\/h2\u003e\n\n\u003cp class=\"sp-intro\"\u003e\n  Genuine Sandpiper replacement diaphragms for compatible HDF1\n  and HDF25 1-inch Heavy Duty Flap Valve AODD pumps. Available\n  diaphragm materials include Santoprene, Hytrel, Nitrile, FKM,\n  EPDM and Neoprene.\n\u003c\/p\u003e\n\n\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\n\u003cdiv class=\"sp-overview-wrap\"\u003e\n\n  \u003cdiv class=\"sp-overview-main\"\u003e\n\n    \u003cp\u003e\n      The \u003cstrong\u003eSandpiper HDF1 \/ HDF25 diaphragm\u003c\/strong\u003e is a\n      genuine replacement wear component for compatible 1-inch\n      Heavy Duty Flap Valve air-operated double diaphragm pumps.\n    \u003c\/p\u003e\n\n    \u003cp\u003e\n      HDF1 \/ HDF25 pumps use metallic wetted construction.\n      Pump wetted material and diaphragm material are separate\n      specifications and should both be confirmed from the\n      pump identification before ordering replacement parts.\n    \u003c\/p\u003e\n\n    \u003cp\u003e\n      Current Sandpiper Design Level 2 service documentation\n      individually lists Santoprene, Hytrel, Nitrile, FKM,\n      EPDM and Neoprene replacement diaphragms.\n    \u003c\/p\u003e\n\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"sp-ideal-for\"\u003e\n    \u003ch4\u003eRecommended For\u003c\/h4\u003e\n    \u003cul\u003e\n      \u003cli\u003eScheduled HDF1 \/ HDF25 preventive maintenance\u003c\/li\u003e\n      \u003cli\u003eWorn or damaged diaphragm replacement\u003c\/li\u003e\n      \u003cli\u003eHeavy Duty Flap wet-end servicing\u003c\/li\u003e\n      \u003cli\u003eDiaphragm leak troubleshooting\u003c\/li\u003e\n      \u003cli\u003eMaintenance spare-parts stock\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/div\u003e\n\n\u003c\/div\u003e\n\n\u003ch3\u003eCompatibility \u0026amp; Product Details\u003c\/h3\u003e\n\n\u003cdiv class=\"sp-table-wrap\"\u003e\n\u003ctable class=\"sp-spec-table\"\u003e\n\u003ctbody\u003e\n\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eSandpiper\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCompatible Pump Models\u003c\/th\u003e\n\u003ctd\u003eSandpiper HDF1 \/ HDF25\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePump Series\u003c\/th\u003e\n\u003ctd\u003eHeavy Duty Flap Valve\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eNominal Pump Size\u003c\/th\u003e\n\u003ctd\u003e1\" \/ 25 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePart Type\u003c\/th\u003e\n\u003ctd\u003eAODD Pump Diaphragm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCompatible Pump Construction\u003c\/th\u003e\n\u003ctd\u003eMetallic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDiaphragm Materials\u003c\/th\u003e\n\u003ctd\u003eSantoprene, Hytrel, Nitrile, FKM, EPDM and Neoprene\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCurrent Design Level\u003c\/th\u003e\n\u003ctd\u003eDesign Level 2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eManufacturer Part Number\u003c\/th\u003e\n\u003ctd\u003eVaries according to selected diaphragm material\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch3\u003eHow to Select the Correct HDF1 \/ HDF25 Diaphragm\u003c\/h3\u003e\n\n\u003cp\u003e\n  Confirm the complete pump identification before selecting a\n  replacement diaphragm. Check the pump model, Design Level,\n  diaphragm material and existing manufacturer part number.\n\u003c\/p\u003e\n\n\u003cdiv class=\"sp-benefit-grid\"\u003e\n\n  \u003cdiv class=\"sp-benefit-card\"\u003e\n    \u003cdiv class=\"sp-benefit-number\"\u003e01\u003c\/div\u003e\n    \u003ch4\u003eConfirm Pump Model\u003c\/h4\u003e\n    \u003cp\u003eVerify HDF1 or HDF25 on the pump identification plate.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"sp-benefit-card\"\u003e\n    \u003cdiv class=\"sp-benefit-number\"\u003e02\u003c\/div\u003e\n    \u003ch4\u003eCheck Design Level\u003c\/h4\u003e\n    \u003cp\u003eConfirm the applicable Design Level before selecting replacement components.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"sp-benefit-card\"\u003e\n    \u003cdiv class=\"sp-benefit-number\"\u003e03\u003c\/div\u003e\n    \u003ch4\u003eSelect Diaphragm Material\u003c\/h4\u003e\n    \u003cp\u003eSelect the manufacturer-listed diaphragm material required for the pump configuration.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"sp-benefit-card\"\u003e\n    \u003cdiv class=\"sp-benefit-number\"\u003e04\u003c\/div\u003e\n    \u003ch4\u003eVerify Part Number\u003c\/h4\u003e\n    \u003cp\u003eMatch the selected diaphragm to the genuine Sandpiper manufacturer part number.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n\u003c\/div\u003e\n\n\u003ch3\u003eSandpiper HDF1 \/ HDF25 Diaphragm Part Numbers\u003c\/h3\u003e\n\n\u003cp\u003e\n  Use the table below to identify the current replacement diaphragm\n  according to the required diaphragm material.\n\u003c\/p\u003e\n\n\u003cdiv class=\"sp-table-wrap\"\u003e\n\u003ctable class=\"sp-part-table\"\u003e\n\n\u003cthead\u003e\n\u003ctr\u003e\n  \u003cth\u003eDiaphragm Material\u003c\/th\u003e\n  \u003cth\u003eManufacturer Part Number\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSantoprene\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e286.008.354\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHytrel\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e286.008.356\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNitrile\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e286.008.360\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFKM\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e286.008.363\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEPDM\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e286.008.364\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNeoprene\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e286.008.365\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\n\u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"sp-note\"\u003e\n  \u003cstrong\u003eImportant:\u003c\/strong\u003e\n  The part numbers above are based on current Sandpiper HDF1 \/\n  HDF25 Design Level 2 service documentation. Confirm the complete\n  pump model, design level, existing diaphragm material and\n  manufacturer part number before ordering.\n\u003c\/div\u003e\n\n\u003cdiv class=\"sp-note\"\u003e\n  \u003cstrong\u003eMaterial Selection Note:\u003c\/strong\u003e\n  Diaphragm material should be selected according to the complete\n  pump configuration, pumped fluid and operating conditions.\n  Confirm chemical compatibility before purchase.\n\u003c\/div\u003e\n\n\u003ch3\u003eWhy Choose Genuine Sandpiper Diaphragms?\u003c\/h3\u003e\n\n\u003cp\u003e\n  Genuine Sandpiper diaphragms allow maintenance teams to match\n  the replacement component to the applicable HDF1 \/ HDF25 pump\n  configuration and manufacturer part number.\n\u003c\/p\u003e\n\n\u003cdiv class=\"sp-benefit-grid\"\u003e\n\n  \u003cdiv class=\"sp-benefit-card\"\u003e\n    \u003cdiv class=\"sp-benefit-number\"\u003e01\u003c\/div\u003e\n    \u003ch4\u003eCorrect Pump Compatibility\u003c\/h4\u003e\n    \u003cp\u003eMatch the diaphragm to the applicable HDF1 \/ HDF25 configuration.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"sp-benefit-card\"\u003e\n    \u003cdiv class=\"sp-benefit-number\"\u003e02\u003c\/div\u003e\n    \u003ch4\u003eVerified Materials\u003c\/h4\u003e\n    \u003cp\u003eSelect from diaphragm materials individually listed in current manufacturer documentation.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"sp-benefit-card\"\u003e\n    \u003cdiv class=\"sp-benefit-number\"\u003e03\u003c\/div\u003e\n    \u003ch4\u003ePart Number Identification\u003c\/h4\u003e\n    \u003cp\u003eUse the Sandpiper manufacturer part number to support accurate spare-part selection.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"sp-benefit-card\"\u003e\n    \u003cdiv class=\"sp-benefit-number\"\u003e04\u003c\/div\u003e\n    \u003ch4\u003eGenuine Sandpiper Replacement Part\u003c\/h4\u003e\n    \u003cp\u003eMaintain the pump using genuine manufacturer spare parts intended for the applicable configuration.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n\u003c\/div\u003e\n\n\u003ch3\u003eWhen Should a Sandpiper HDF1 \/ HDF25 Diaphragm Be Inspected?\u003c\/h3\u003e\n\n\u003cp\u003e\n  Inspect the diaphragms during planned wet-end maintenance and\n  whenever abnormal pump behaviour or diaphragm damage is suspected.\n\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eProcess fluid is detected at the pump exhaust\u003c\/li\u003e\n  \u003cli\u003eVisible diaphragm wear, cracking or damage is identified\u003c\/li\u003e\n  \u003cli\u003eA diaphragm rupture is suspected\u003c\/li\u003e\n  \u003cli\u003eDiaphragm plates require inspection\u003c\/li\u003e\n  \u003cli\u003eUnexpected changes in normal pump performance occur\u003c\/li\u003e\n  \u003cli\u003eScheduled wet-end maintenance is due\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\n\u003cdiv class=\"sp-faq\"\u003e\n\n  \u003cdetails\u003e\n    \u003csummary\u003eWhich diaphragm materials are available for the Sandpiper HDF1 \/ HDF25?\u003c\/summary\u003e\n    \u003cp\u003e\n      Current Design Level 2 parts documentation individually lists\n      Santoprene, Hytrel, Nitrile, FKM, EPDM and Neoprene diaphragms.\n    \u003c\/p\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails\u003e\n    \u003csummary\u003eWhat is Sandpiper part number 286.008.354?\u003c\/summary\u003e\n    \u003cp\u003e286.008.354 is the Santoprene diaphragm listed for the HDF1 \/ HDF25.\u003c\/p\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails\u003e\n    \u003csummary\u003eWhat is Sandpiper part number 286.008.360?\u003c\/summary\u003e\n    \u003cp\u003e286.008.360 is the Nitrile diaphragm listed for the HDF1 \/ HDF25.\u003c\/p\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails\u003e\n    \u003csummary\u003eIs PTFE listed as an HDF1 \/ HDF25 replacement diaphragm?\u003c\/summary\u003e\n    \u003cp\u003e\n      PTFE is not individually listed as a replacement diaphragm in\n      the current HDF1 \/ HDF25 Design Level 2 parts table.\n    \u003c\/p\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails\u003e\n    \u003csummary\u003eHow do I select the correct HDF1 \/ HDF25 diaphragm?\u003c\/summary\u003e\n    \u003cp\u003e\n      Confirm the pump model, Design Level, existing diaphragm\n      material and manufacturer part number before ordering.\n    \u003c\/p\u003e\n  \u003c\/details\u003e\n\n\u003c\/div\u003e\n\n\u003ch3 style=\"text-align:center;\"\u003eExplore Other Sandpiper Heavy Duty Flap Valve Diaphragms\u003c\/h3\u003e\n\n\u003cdiv class=\"sp-related-grid\"\u003e\n\n  \u003cdiv class=\"sp-related-card\"\u003e\n    \u003cspan class=\"sp-related-label\"\u003e2\" Heavy Duty\u003c\/span\u003e\n    \u003ch4\u003eHDF2 \/ HDF50 Diaphragm\u003c\/h4\u003e\n    \u003cp\u003eBrowse genuine replacement diaphragms for HDF2 \/ HDF50 pumps.\u003c\/p\u003e\n    \u003ca href=\"\/products\/sandpiper-hdf2-hdf50-heavy-duty-flap-diaphragm\"\u003eView HDF2 \/ HDF50 →\u003c\/a\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"sp-related-card\"\u003e\n    \u003cspan class=\"sp-related-label\"\u003e2\" Non-Metallic\u003c\/span\u003e\n    \u003ch4\u003eHD20F Diaphragm\u003c\/h4\u003e\n    \u003cp\u003eExplore genuine replacement diaphragms for Sandpiper HD20F pumps.\u003c\/p\u003e\n    \u003ca href=\"\/products\/sandpiper-hd20f-non-metallic-heavy-duty-flap-diaphragm\"\u003eView HD20F →\u003c\/a\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"sp-related-card\"\u003e\n    \u003cspan class=\"sp-related-label\"\u003e3\" Heavy Duty\u003c\/span\u003e\n    \u003ch4\u003eHDF3 Diaphragm\u003c\/h4\u003e\n    \u003cp\u003eFind genuine replacement diaphragms for Sandpiper HDF3 pumps.\u003c\/p\u003e\n    \u003ca href=\"\/products\/sandpiper-hdf3-heavy-duty-flap-diaphragm\"\u003eView HDF3 →\u003c\/a\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"sp-related-card\"\u003e\n    \u003cspan class=\"sp-related-label\"\u003eHeavy Duty Flap\u003c\/span\u003e\n    \u003ch4\u003eAll Heavy Duty Flap Diaphragms\u003c\/h4\u003e\n    \u003cp\u003eBrowse Sandpiper Heavy Duty Flap Valve diaphragms by model and size.\u003c\/p\u003e\n    \u003ca href=\"\/collections\/sandpiper-heavy-duty-flap-valve-diaphragms\"\u003eView Collection →\u003c\/a\u003e\n  \u003c\/div\u003e\n\n\u003c\/div\u003e\n\n\u003cdiv class=\"sp-help-banner\"\u003e\n  \u003cdiv\u003e\n    \u003ch3\u003eNeed Help Selecting the Correct HDF1 \/ HDF25 Diaphragm?\u003c\/h3\u003e\n    \u003cp\u003e\n      Send ABS Engineering your Sandpiper pump model, design level,\n      existing diaphragm part number, pumped fluid and operating\n      conditions. Our team can assist with identifying the correct\n      genuine Sandpiper replacement diaphragm.\n    \u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003ca href=\"\/pages\/contact\"\u003eContact ABS Engineering\u003c\/a\u003e\n\u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"SANDPIPER","offers":[{"title":"Santoprene","offer_id":52982411264181,"sku":"286.008.354","price":0.0,"currency_code":"MYR","in_stock":true},{"title":"Hytrel","offer_id":52982411296949,"sku":"286.008.356","price":0.0,"currency_code":"MYR","in_stock":true},{"title":"Nitrile","offer_id":52982411329717,"sku":"286.008.360","price":0.0,"currency_code":"MYR","in_stock":true},{"title":"FKM","offer_id":52982411362485,"sku":"286.008.363","price":0.0,"currency_code":"MYR","in_stock":true},{"title":"EPDM","offer_id":52982411395253,"sku":"286.008.364","price":0.0,"currency_code":"MYR","in_stock":true},{"title":"Neoprene","offer_id":52982411428021,"sku":"286.008.365","price":0.0,"currency_code":"MYR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0696\/6168\/7989\/files\/18828594-0b1f-46fa-937b-91e8133bb63a_c4248b33-d5e6-4e00-95d7-939c59188ac7.png?v=1790049910"},{"product_id":"sandpiper-hdf2-hdf50-heavy-duty-flap-diaphragm","title":"Sandpiper HDF2 \/ HDF50 2\" Heavy Duty Flap Valve AODD Pump Diaphragm for Metallic Pumps","description":"\u003cdiv class=\"sp-diaphragm-desc\"\u003e\n\n\u003cstyle\u003e\n.sp-diaphragm-desc{\n  --sp-blue:#1e3a8a;--sp-blue-light:#eef2ff;--sp-blue-soft:#f7f9ff;\n  --sp-text:#2b2f38;--sp-muted:#626977;--sp-border:#e1e5ec;--sp-white:#ffffff;\n  max-width:1100px;margin:0 auto;font-family:Arial,Helvetica,sans-serif;\n  color:var(--sp-text);line-height:1.65;\n}\n.sp-diaphragm-desc *{box-sizing:border-box;}\n.sp-diaphragm-desc h2{color:var(--sp-blue);font-size:27px;line-height:1.3;margin:0 0 12px;}\n.sp-diaphragm-desc h3{color:var(--sp-blue);font-size:21px;line-height:1.35;margin:38px 0 14px;}\n.sp-diaphragm-desc h4{color:var(--sp-blue);font-size:15px;line-height:1.4;margin:0 0 8px;}\n.sp-diaphragm-desc p{margin:0 0 14px;font-size:15px;}\n.sp-diaphragm-desc ul{margin:0;padding-left:20px;font-size:15px;}\n.sp-diaphragm-desc li{margin-bottom:7px;}\n.sp-eyebrow{display:inline-block;color:var(--sp-blue);background:var(--sp-blue-light);font-size:12px;font-weight:700;letter-spacing:.5px;text-transform:uppercase;padding:6px 11px;border-radius:20px;margin-bottom:12px;}\n.sp-intro{font-size:16px!important;color:var(--sp-muted);max-width:850px;margin-bottom:28px!important;}\n.sp-overview-wrap{display:grid;grid-template-columns:minmax(0,2fr) minmax(240px,1fr);gap:28px;align-items:start;margin:24px 0 28px;}\n.sp-ideal-for{background:var(--sp-blue-soft);border:1px solid #dfe5f5;border-radius:12px;padding:22px;}\n.sp-ideal-for h4{font-size:16px;margin-bottom:12px;}\n.sp-benefit-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;margin:22px 0 38px;}\n.sp-benefit-card{border:1px solid var(--sp-border);border-radius:10px;padding:20px;background:var(--sp-white);}\n.sp-benefit-number{width:30px;height:30px;display:flex;align-items:center;justify-content:center;background:var(--sp-blue-light);color:var(--sp-blue);border-radius:50%;font-size:13px;font-weight:700;margin-bottom:13px;}\n.sp-benefit-card p{font-size:14px;color:var(--sp-muted);margin:0;}\n.sp-table-wrap{overflow-x:auto;margin:18px 0 38px;border:1px solid var(--sp-border);border-radius:10px;}\n.sp-spec-table,.sp-part-table{width:100%;border-collapse:collapse;font-size:14px;min-width:580px;}\n.sp-spec-table th,.sp-spec-table td,.sp-part-table td{text-align:left;padding:13px 16px;border-bottom:1px solid var(--sp-border);vertical-align:top;}\n.sp-spec-table th{width:34%;color:var(--sp-blue);background:#f8f9fc;font-weight:700;}\n.sp-part-table th{background:var(--sp-blue);color:#fff;padding:12px 14px;text-align:left;}\n.sp-part-table tr:nth-child(even) td{background:#f8f9fc;}\n.sp-note{border-left:4px solid var(--sp-blue);background:var(--sp-blue-soft);padding:16px 18px;margin:18px 0 34px;border-radius:0 8px 8px 0;font-size:14px;}\n.sp-faq{border-top:1px solid var(--sp-border);margin-bottom:36px;}\n.sp-faq details{border-bottom:1px solid var(--sp-border);}\n.sp-faq summary{cursor:pointer;list-style:none;color:var(--sp-blue);font-size:15px;font-weight:700;padding:17px 34px 17px 4px;position:relative;}\n.sp-faq summary::-webkit-details-marker{display:none;}\n.sp-faq summary:after{content:\"+\";position:absolute;right:5px;top:14px;font-size:22px;font-weight:400;}\n.sp-faq details[open] summary:after{content:\"−\";}\n.sp-faq details p{padding:0 4px 17px;color:var(--sp-muted);font-size:14px;}\n.sp-related-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:16px;margin:20px 0 38px;}\n.sp-related-card{border:1px solid var(--sp-border);border-radius:10px;padding:20px;background:#fff;display:flex;flex-direction:column;min-height:180px;}\n.sp-related-label{display:inline-block;width:max-content;color:var(--sp-blue);background:var(--sp-blue-light);padding:5px 9px;border-radius:16px;font-size:11px;font-weight:700;margin-bottom:12px;}\n.sp-related-card h4{font-size:16px;margin-bottom:8px;}\n.sp-related-card p{color:var(--sp-muted);font-size:13px;flex-grow:1;}\n.sp-related-card a{color:var(--sp-blue);font-size:13px;font-weight:700;text-decoration:none;}\n.sp-help-banner{background:var(--sp-blue);color:#fff;border-radius:12px;padding:28px 30px;display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap;margin-top:40px;}\n.sp-help-banner h3{color:#fff;margin:0 0 7px;font-size:20px;}\n.sp-help-banner p{color:#e4e9f8;font-size:14px;margin:0;max-width:660px;}\n.sp-help-banner a{flex-shrink:0;background:#fff;color:var(--sp-blue);text-decoration:none;font-weight:700;font-size:14px;padding:12px 24px;border-radius:25px;}\n@media(max-width:760px){.sp-diaphragm-desc h2{font-size:23px;}.sp-overview-wrap{grid-template-columns:1fr;}.sp-help-banner a{width:100%;text-align:center;}}\n\u003c\/style\u003e\n\n\u003cspan class=\"sp-eyebrow\"\u003eGenuine Sandpiper Replacement Part\u003c\/span\u003e\n\n\u003ch2\u003eSandpiper HDF2 \/ HDF50 2\" Heavy Duty Flap Valve AODD Pump Diaphragm for Metallic Pumps\u003c\/h2\u003e\n\n\u003cp class=\"sp-intro\"\u003e\n  Genuine Sandpiper replacement diaphragms for compatible HDF2\n  and HDF50 2-inch Heavy Duty Flap Valve AODD pumps. Available\n  diaphragm materials include Santoprene, Hytrel, Nitrile, FKM,\n  EPDM and Neoprene.\n\u003c\/p\u003e\n\n\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\n\u003cdiv class=\"sp-overview-wrap\"\u003e\n  \u003cdiv class=\"sp-overview-main\"\u003e\n\n    \u003cp\u003e\n      The \u003cstrong\u003eSandpiper HDF2 \/ HDF50 diaphragm\u003c\/strong\u003e is a\n      genuine replacement wear component for compatible 2-inch\n      Heavy Duty Flap Valve air-operated double diaphragm pumps.\n    \u003c\/p\u003e\n\n    \u003cp\u003e\n      Current Design Level 6 configurations include aluminium,\n      cast iron and stainless steel wetted constructions.\n      Pump wetted material and diaphragm material are separate\n      specifications.\n    \u003c\/p\u003e\n\n    \u003cp\u003e\n      Current manufacturer parts documentation individually lists\n      Santoprene, Hytrel, Nitrile, FKM, EPDM and Neoprene\n      replacement diaphragms.\n    \u003c\/p\u003e\n\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"sp-ideal-for\"\u003e\n    \u003ch4\u003eRecommended For\u003c\/h4\u003e\n    \u003cul\u003e\n      \u003cli\u003eHDF2 \/ HDF50 diaphragm replacement\u003c\/li\u003e\n      \u003cli\u003eHeavy Duty Flap wet-end servicing\u003c\/li\u003e\n      \u003cli\u003eScheduled preventive maintenance\u003c\/li\u003e\n      \u003cli\u003eDiaphragm wear or failure replacement\u003c\/li\u003e\n      \u003cli\u003ePlant maintenance spare-parts stock\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003ch3\u003eCompatibility \u0026amp; Product Details\u003c\/h3\u003e\n\n\u003cdiv class=\"sp-table-wrap\"\u003e\n\u003ctable class=\"sp-spec-table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eSandpiper\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCompatible Pump Models\u003c\/th\u003e\n\u003ctd\u003eSandpiper HDF2 \/ HDF50\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePump Series\u003c\/th\u003e\n\u003ctd\u003eHeavy Duty Flap Valve\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eNominal Pump Size\u003c\/th\u003e\n\u003ctd\u003e2\" \/ 50 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePart Type\u003c\/th\u003e\n\u003ctd\u003eAODD Pump Diaphragm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCompatible Pump Construction\u003c\/th\u003e\n\u003ctd\u003eMetallic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWetted Material Options\u003c\/th\u003e\n\u003ctd\u003eAluminium, Cast Iron and Stainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDiaphragm Materials\u003c\/th\u003e\n\u003ctd\u003eSantoprene, Hytrel, Nitrile, FKM, EPDM and Neoprene\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCurrent Design Level\u003c\/th\u003e\n\u003ctd\u003eDesign Level 6\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eManufacturer Part Number\u003c\/th\u003e\n\u003ctd\u003eVaries according to selected diaphragm material\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch3\u003eHow to Select the Correct HDF2 \/ HDF50 Diaphragm\u003c\/h3\u003e\n\n\u003cp\u003e\n  Confirm the complete pump model, Design Level, diaphragm material\n  and manufacturer part number before ordering a replacement.\n\u003c\/p\u003e\n\n\u003cdiv class=\"sp-benefit-grid\"\u003e\n  \u003cdiv class=\"sp-benefit-card\"\u003e\n\u003cdiv class=\"sp-benefit-number\"\u003e01\u003c\/div\u003e\n\u003ch4\u003eConfirm Pump Model\u003c\/h4\u003e\n\u003cp\u003eVerify HDF2 or HDF50 from the pump identification.\u003c\/p\u003e\n\u003c\/div\u003e\n  \u003cdiv class=\"sp-benefit-card\"\u003e\n\u003cdiv class=\"sp-benefit-number\"\u003e02\u003c\/div\u003e\n\u003ch4\u003eCheck Design Level\u003c\/h4\u003e\n\u003cp\u003eConfirm the pump Design Level before selecting replacement parts.\u003c\/p\u003e\n\u003c\/div\u003e\n  \u003cdiv class=\"sp-benefit-card\"\u003e\n\u003cdiv class=\"sp-benefit-number\"\u003e03\u003c\/div\u003e\n\u003ch4\u003eSelect Diaphragm Material\u003c\/h4\u003e\n\u003cp\u003eSelect the applicable manufacturer-listed diaphragm material.\u003c\/p\u003e\n\u003c\/div\u003e\n  \u003cdiv class=\"sp-benefit-card\"\u003e\n\u003cdiv class=\"sp-benefit-number\"\u003e04\u003c\/div\u003e\n\u003ch4\u003eVerify Part Number\u003c\/h4\u003e\n\u003cp\u003eMatch the replacement diaphragm to the genuine Sandpiper part number.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003ch3\u003eSandpiper HDF2 \/ HDF50 Diaphragm Part Numbers\u003c\/h3\u003e\n\n\u003cp\u003eUse the table below to identify the current individually listed replacement diaphragm.\u003c\/p\u003e\n\n\u003cdiv class=\"sp-table-wrap\"\u003e\n\u003ctable class=\"sp-part-table\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eDiaphragm Material\u003c\/th\u003e\n\u003cth\u003eManufacturer Part Number\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSantoprene\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e286.007.354\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHytrel\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e286.007.356\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNitrile\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e286.007.360\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFKM\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e286.007.363\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEPDM\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e286.007.364\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNeoprene\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e286.007.365\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"sp-note\"\u003e\n  \u003cstrong\u003eImportant:\u003c\/strong\u003e\n  These part numbers are based on the current Sandpiper HDF2 \/\n  HDF50 Design Level 6 parts documentation. Confirm the complete\n  pump model and existing diaphragm part number before ordering.\n\u003c\/div\u003e\n\n\u003cdiv class=\"sp-note\"\u003e\n  \u003cstrong\u003eVariant Verification Note:\u003c\/strong\u003e\n  FDA White Nitrile appears in the current pump nomenclature,\n  but a standalone FDA White Nitrile diaphragm part number is not\n  individually listed in the current repair-parts table.\n  Verification is required before adding it as a Shopify variant.\n\u003c\/div\u003e\n\n\u003ch3\u003eWhy Choose Genuine Sandpiper Diaphragms?\u003c\/h3\u003e\n\n\u003cp\u003e\n  Genuine Sandpiper diaphragms allow maintenance teams to match\n  the replacement component to the applicable HDF2 \/ HDF50\n  configuration and manufacturer part number.\n\u003c\/p\u003e\n\n\u003cdiv class=\"sp-benefit-grid\"\u003e\n  \u003cdiv class=\"sp-benefit-card\"\u003e\n\u003cdiv class=\"sp-benefit-number\"\u003e01\u003c\/div\u003e\n\u003ch4\u003eCorrect Pump Compatibility\u003c\/h4\u003e\n\u003cp\u003eMatch the diaphragm to the applicable HDF2 \/ HDF50 configuration.\u003c\/p\u003e\n\u003c\/div\u003e\n  \u003cdiv class=\"sp-benefit-card\"\u003e\n\u003cdiv class=\"sp-benefit-number\"\u003e02\u003c\/div\u003e\n\u003ch4\u003eVerified Materials\u003c\/h4\u003e\n\u003cp\u003eSelect from individually listed Sandpiper diaphragm materials.\u003c\/p\u003e\n\u003c\/div\u003e\n  \u003cdiv class=\"sp-benefit-card\"\u003e\n\u003cdiv class=\"sp-benefit-number\"\u003e03\u003c\/div\u003e\n\u003ch4\u003eAccurate Part Identification\u003c\/h4\u003e\n\u003cp\u003eUse the manufacturer part number to support correct spare-part selection.\u003c\/p\u003e\n\u003c\/div\u003e\n  \u003cdiv class=\"sp-benefit-card\"\u003e\n\u003cdiv class=\"sp-benefit-number\"\u003e04\u003c\/div\u003e\n\u003ch4\u003eGenuine Sandpiper Replacement Part\u003c\/h4\u003e\n\u003cp\u003eMaintain the pump using genuine manufacturer spare parts intended for the applicable configuration.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003ch3\u003eWhen Should an HDF2 \/ HDF50 Diaphragm Be Inspected?\u003c\/h3\u003e\n\n\u003cp\u003eInspect the diaphragms during planned wet-end maintenance and whenever abnormal pump behaviour or diaphragm damage is suspected.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eProcess fluid is detected at the pump exhaust\u003c\/li\u003e\n  \u003cli\u003eVisible diaphragm wear or damage is found\u003c\/li\u003e\n  \u003cli\u003eA diaphragm rupture is suspected\u003c\/li\u003e\n  \u003cli\u003eDiaphragm plates require inspection\u003c\/li\u003e\n  \u003cli\u003eUnexpected changes in pump performance occur\u003c\/li\u003e\n  \u003cli\u003eScheduled wet-end maintenance is due\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\n\u003cdiv class=\"sp-faq\"\u003e\n  \u003cdetails\u003e\u003csummary\u003eWhich diaphragm materials are available for HDF2 \/ HDF50?\u003c\/summary\u003e\u003cp\u003eCurrent individual parts documentation lists Santoprene, Hytrel, Nitrile, FKM, EPDM and Neoprene diaphragms.\u003c\/p\u003e\u003c\/details\u003e\n  \u003cdetails\u003e\u003csummary\u003eWhat is Sandpiper part number 286.007.354?\u003c\/summary\u003e\u003cp\u003e286.007.354 is the Santoprene diaphragm listed for the HDF2 \/ HDF50.\u003c\/p\u003e\u003c\/details\u003e\n  \u003cdetails\u003e\u003csummary\u003eWhat is Sandpiper part number 286.007.360?\u003c\/summary\u003e\u003cp\u003e286.007.360 is the Nitrile diaphragm listed for the HDF2 \/ HDF50.\u003c\/p\u003e\u003c\/details\u003e\n  \u003cdetails\u003e\u003csummary\u003eIs PTFE listed for the current HDF2 \/ HDF50?\u003c\/summary\u003e\u003cp\u003ePTFE is not individually listed as a diaphragm in the current HDF2 \/ HDF50 Design Level 6 repair-parts table.\u003c\/p\u003e\u003c\/details\u003e\n  \u003cdetails\u003e\u003csummary\u003eHow do I select the correct HDF2 \/ HDF50 diaphragm?\u003c\/summary\u003e\u003cp\u003eConfirm the model, Design Level, existing diaphragm material and manufacturer part number before ordering.\u003c\/p\u003e\u003c\/details\u003e\n\u003c\/div\u003e\n\n\u003ch3 style=\"text-align:center;\"\u003eExplore Other Sandpiper Heavy Duty Flap Valve Diaphragms\u003c\/h3\u003e\n\n\u003cdiv class=\"sp-related-grid\"\u003e\n  \u003cdiv class=\"sp-related-card\"\u003e\n\u003cspan class=\"sp-related-label\"\u003e1\" Heavy Duty\u003c\/span\u003e\u003ch4\u003eHDF1 \/ HDF25 Diaphragm\u003c\/h4\u003e\n\u003cp\u003eBrowse genuine diaphragms for HDF1 \/ HDF25 pumps.\u003c\/p\u003e\n\u003ca href=\"\/products\/sandpiper-hdf1-hdf25-heavy-duty-flap-diaphragm\"\u003eView HDF1 \/ HDF25 →\u003c\/a\u003e\n\u003c\/div\u003e\n  \u003cdiv class=\"sp-related-card\"\u003e\n\u003cspan class=\"sp-related-label\"\u003e2\" Non-Metallic\u003c\/span\u003e\u003ch4\u003eHD20F Diaphragm\u003c\/h4\u003e\n\u003cp\u003eExplore genuine diaphragms for Sandpiper HD20F pumps.\u003c\/p\u003e\n\u003ca href=\"\/products\/sandpiper-hd20f-non-metallic-heavy-duty-flap-diaphragm\"\u003eView HD20F →\u003c\/a\u003e\n\u003c\/div\u003e\n  \u003cdiv class=\"sp-related-card\"\u003e\n\u003cspan class=\"sp-related-label\"\u003e2\" BEAST\u003c\/span\u003e\u003ch4\u003eSPB20 BEAST Diaphragm\u003c\/h4\u003e\n\u003cp\u003eBrowse genuine diaphragms for SPB20 Heavy Duty Flap pumps.\u003c\/p\u003e\n\u003ca href=\"\/products\/sandpiper-spb20-beast-metallic-heavy-duty-flap-diaphragm\"\u003eView SPB20 →\u003c\/a\u003e\n\u003c\/div\u003e\n  \u003cdiv class=\"sp-related-card\"\u003e\n\u003cspan class=\"sp-related-label\"\u003eHeavy Duty Flap\u003c\/span\u003e\u003ch4\u003eAll Heavy Duty Flap Diaphragms\u003c\/h4\u003e\n\u003cp\u003eBrowse the complete Heavy Duty Flap diaphragm collection.\u003c\/p\u003e\n\u003ca href=\"\/collections\/sandpiper-heavy-duty-flap-valve-diaphragms\"\u003eView Collection →\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"sp-help-banner\"\u003e\n  \u003cdiv\u003e\n    \u003ch3\u003eNeed Help Selecting the Correct HDF2 \/ HDF50 Diaphragm?\u003c\/h3\u003e\n    \u003cp\u003eSend ABS Engineering your pump model, design level, existing diaphragm part number, pumped fluid and operating conditions.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003ca href=\"\/pages\/contact\"\u003eContact ABS Engineering\u003c\/a\u003e\n\u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"SANDPIPER","offers":[{"title":"Santoprene","offer_id":52982413918389,"sku":"286.007.354","price":0.0,"currency_code":"MYR","in_stock":true},{"title":"Hytrel","offer_id":52982413951157,"sku":"286.007.356","price":0.0,"currency_code":"MYR","in_stock":true},{"title":"Nitrile","offer_id":52982413983925,"sku":"286.007.360","price":0.0,"currency_code":"MYR","in_stock":true},{"title":"FKM","offer_id":52982414016693,"sku":"286.007.363","price":0.0,"currency_code":"MYR","in_stock":true},{"title":"EPDM","offer_id":52982414049461,"sku":"286.007.364","price":0.0,"currency_code":"MYR","in_stock":true},{"title":"Neoprene","offer_id":52982414082229,"sku":"286.007.365","price":0.0,"currency_code":"MYR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0696\/6168\/7989\/files\/18828594-0b1f-46fa-937b-91e8133bb63a_c4248b33-d5e6-4e00-95d7-939c59188ac7.png?v=1790049910"},{"product_id":"sandpiper-hd20f-non-metallic-heavy-duty-flap-diaphragm","title":"Sandpiper HD20F 2\" Heavy Duty Flap Valve AODD Pump Diaphragm for Non-Metallic Pumps","description":"\u003cdiv class=\"sp-diaphragm-desc\"\u003e\n\n\u003cstyle\u003e\n.sp-diaphragm-desc{--sp-blue:#1e3a8a;--sp-blue-light:#eef2ff;--sp-blue-soft:#f7f9ff;--sp-text:#2b2f38;--sp-muted:#626977;--sp-border:#e1e5ec;--sp-white:#ffffff;max-width:1100px;margin:0 auto;font-family:Arial,Helvetica,sans-serif;color:var(--sp-text);line-height:1.65;}\n.sp-diaphragm-desc *{box-sizing:border-box;}\n.sp-diaphragm-desc h2{color:var(--sp-blue);font-size:27px;line-height:1.3;margin:0 0 12px;}\n.sp-diaphragm-desc h3{color:var(--sp-blue);font-size:21px;line-height:1.35;margin:38px 0 14px;}\n.sp-diaphragm-desc h4{color:var(--sp-blue);font-size:15px;line-height:1.4;margin:0 0 8px;}\n.sp-diaphragm-desc p{margin:0 0 14px;font-size:15px;}\n.sp-diaphragm-desc ul{margin:0;padding-left:20px;font-size:15px;}\n.sp-diaphragm-desc li{margin-bottom:7px;}\n.sp-eyebrow{display:inline-block;color:var(--sp-blue);background:var(--sp-blue-light);font-size:12px;font-weight:700;letter-spacing:.5px;text-transform:uppercase;padding:6px 11px;border-radius:20px;margin-bottom:12px;}\n.sp-intro{font-size:16px!important;color:var(--sp-muted);max-width:850px;margin-bottom:28px!important;}\n.sp-overview-wrap{display:grid;grid-template-columns:minmax(0,2fr) minmax(240px,1fr);gap:28px;align-items:start;margin:24px 0 28px;}\n.sp-ideal-for{background:var(--sp-blue-soft);border:1px solid #dfe5f5;border-radius:12px;padding:22px;}\n.sp-ideal-for h4{font-size:16px;margin-bottom:12px;}\n.sp-benefit-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;margin:22px 0 38px;}\n.sp-benefit-card{border:1px solid var(--sp-border);border-radius:10px;padding:20px;background:var(--sp-white);}\n.sp-benefit-number{width:30px;height:30px;display:flex;align-items:center;justify-content:center;background:var(--sp-blue-light);color:var(--sp-blue);border-radius:50%;font-size:13px;font-weight:700;margin-bottom:13px;}\n.sp-benefit-card p{font-size:14px;color:var(--sp-muted);margin:0;}\n.sp-table-wrap{overflow-x:auto;margin:18px 0 38px;border:1px solid var(--sp-border);border-radius:10px;}\n.sp-spec-table,.sp-part-table{width:100%;border-collapse:collapse;font-size:14px;min-width:580px;}\n.sp-spec-table th,.sp-spec-table td,.sp-part-table td{text-align:left;padding:13px 16px;border-bottom:1px solid var(--sp-border);vertical-align:top;}\n.sp-spec-table th{width:34%;color:var(--sp-blue);background:#f8f9fc;font-weight:700;}\n.sp-part-table th{background:var(--sp-blue);color:#fff;padding:12px 14px;text-align:left;}\n.sp-part-table tr:nth-child(even) td{background:#f8f9fc;}\n.sp-note{border-left:4px solid var(--sp-blue);background:var(--sp-blue-soft);padding:16px 18px;margin:18px 0 34px;border-radius:0 8px 8px 0;font-size:14px;}\n.sp-faq{border-top:1px solid var(--sp-border);margin-bottom:36px;}\n.sp-faq details{border-bottom:1px solid var(--sp-border);}\n.sp-faq summary{cursor:pointer;list-style:none;color:var(--sp-blue);font-size:15px;font-weight:700;padding:17px 34px 17px 4px;position:relative;}\n.sp-faq summary::-webkit-details-marker{display:none;}\n.sp-faq summary:after{content:\"+\";position:absolute;right:5px;top:14px;font-size:22px;font-weight:400;}\n.sp-faq details[open] summary:after{content:\"−\";}\n.sp-faq details p{padding:0 4px 17px;color:var(--sp-muted);font-size:14px;}\n.sp-related-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:16px;margin:20px 0 38px;}\n.sp-related-card{border:1px solid var(--sp-border);border-radius:10px;padding:20px;background:#fff;display:flex;flex-direction:column;min-height:180px;}\n.sp-related-label{display:inline-block;width:max-content;color:var(--sp-blue);background:var(--sp-blue-light);padding:5px 9px;border-radius:16px;font-size:11px;font-weight:700;margin-bottom:12px;}\n.sp-related-card h4{font-size:16px;margin-bottom:8px;}\n.sp-related-card p{color:var(--sp-muted);font-size:13px;flex-grow:1;}\n.sp-related-card a{color:var(--sp-blue);font-size:13px;font-weight:700;text-decoration:none;}\n.sp-help-banner{background:var(--sp-blue);color:#fff;border-radius:12px;padding:28px 30px;display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap;margin-top:40px;}\n.sp-help-banner h3{color:#fff;margin:0 0 7px;font-size:20px;}\n.sp-help-banner p{color:#e4e9f8;font-size:14px;margin:0;max-width:660px;}\n.sp-help-banner a{flex-shrink:0;background:#fff;color:var(--sp-blue);text-decoration:none;font-weight:700;font-size:14px;padding:12px 24px;border-radius:25px;}\n@media(max-width:760px){.sp-diaphragm-desc h2{font-size:23px;}.sp-overview-wrap{grid-template-columns:1fr;}.sp-help-banner a{width:100%;text-align:center;}}\n\u003c\/style\u003e\n\n\u003cspan class=\"sp-eyebrow\"\u003eGenuine Sandpiper Replacement Part\u003c\/span\u003e\n\n\u003ch2\u003eSandpiper HD20F 2\" Heavy Duty Flap Valve AODD Pump Diaphragm for Non-Metallic Pumps\u003c\/h2\u003e\n\n\u003cp class=\"sp-intro\"\u003e\n  Genuine Sandpiper replacement diaphragms for compatible HD20F\n  2-inch Non-Metallic Heavy Duty Flap Valve AODD pumps. Available\n  diaphragm materials include Santoprene, Hytrel, Nitrile, FKM,\n  EPDM and Neoprene.\n\u003c\/p\u003e\n\n\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\n\u003cdiv class=\"sp-overview-wrap\"\u003e\n  \u003cdiv class=\"sp-overview-main\"\u003e\n\n    \u003cp\u003e\n      The \u003cstrong\u003eSandpiper HD20F diaphragm\u003c\/strong\u003e is a genuine\n      replacement wear component for compatible 2-inch Non-Metallic\n      Heavy Duty Flap Valve air-operated double diaphragm pumps.\n    \u003c\/p\u003e\n\n    \u003cp\u003e\n      Current HD20F Design Level 1 pumps use polypropylene \/\n      glass-filled polypropylene wetted construction. The pump\n      construction is separate from the diaphragm material selection.\n    \u003c\/p\u003e\n\n    \u003cp\u003e\n      Current manufacturer documentation individually lists\n      Santoprene, Hytrel, Nitrile, FKM, EPDM and Neoprene\n      diaphragms for the applicable HD20F configuration.\n    \u003c\/p\u003e\n\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"sp-ideal-for\"\u003e\n    \u003ch4\u003eRecommended For\u003c\/h4\u003e\n    \u003cul\u003e\n      \u003cli\u003eHD20F diaphragm replacement\u003c\/li\u003e\n      \u003cli\u003eNon-Metallic Heavy Duty Flap pump maintenance\u003c\/li\u003e\n      \u003cli\u003eScheduled wet-end servicing\u003c\/li\u003e\n      \u003cli\u003eDiaphragm wear or failure replacement\u003c\/li\u003e\n      \u003cli\u003ePlant maintenance spare-parts stock\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003ch3\u003eCompatibility \u0026amp; Product Details\u003c\/h3\u003e\n\n\u003cdiv class=\"sp-table-wrap\"\u003e\n\u003ctable class=\"sp-spec-table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eSandpiper\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCompatible Pump Model\u003c\/th\u003e\n\u003ctd\u003eSandpiper HD20F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePump Series\u003c\/th\u003e\n\u003ctd\u003eHeavy Duty Flap Valve\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eNominal Pump Size\u003c\/th\u003e\n\u003ctd\u003e2\" \/ 50 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePart Type\u003c\/th\u003e\n\u003ctd\u003eAODD Pump Diaphragm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCompatible Pump Construction\u003c\/th\u003e\n\u003ctd\u003eNon-Metallic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWetted Material\u003c\/th\u003e\n\u003ctd\u003ePolypropylene \/ Glass-Filled Polypropylene\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDiaphragm Materials\u003c\/th\u003e\n\u003ctd\u003eSantoprene, Hytrel, Nitrile, FKM, EPDM and Neoprene\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCurrent Design Level\u003c\/th\u003e\n\u003ctd\u003eDesign Level 1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eManufacturer Part Number\u003c\/th\u003e\n\u003ctd\u003eVaries according to selected diaphragm material\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch3\u003eHow to Select the Correct HD20F Diaphragm\u003c\/h3\u003e\n\n\u003cp\u003eConfirm the HD20F pump identification, Design Level, diaphragm material and manufacturer part number before ordering.\u003c\/p\u003e\n\n\u003cdiv class=\"sp-benefit-grid\"\u003e\n  \u003cdiv class=\"sp-benefit-card\"\u003e\n\u003cdiv class=\"sp-benefit-number\"\u003e01\u003c\/div\u003e\n\u003ch4\u003eConfirm Pump Model\u003c\/h4\u003e\n\u003cp\u003eVerify that the pump is a Sandpiper HD20F 2-inch model.\u003c\/p\u003e\n\u003c\/div\u003e\n  \u003cdiv class=\"sp-benefit-card\"\u003e\n\u003cdiv class=\"sp-benefit-number\"\u003e02\u003c\/div\u003e\n\u003ch4\u003eConfirm Non-Metallic Construction\u003c\/h4\u003e\n\u003cp\u003eCheck the complete pump identification before selecting replacement parts.\u003c\/p\u003e\n\u003c\/div\u003e\n  \u003cdiv class=\"sp-benefit-card\"\u003e\n\u003cdiv class=\"sp-benefit-number\"\u003e03\u003c\/div\u003e\n\u003ch4\u003eSelect Diaphragm Material\u003c\/h4\u003e\n\u003cp\u003eSelect the applicable manufacturer-listed diaphragm material.\u003c\/p\u003e\n\u003c\/div\u003e\n  \u003cdiv class=\"sp-benefit-card\"\u003e\n\u003cdiv class=\"sp-benefit-number\"\u003e04\u003c\/div\u003e\n\u003ch4\u003eVerify Part Number\u003c\/h4\u003e\n\u003cp\u003eMatch the replacement diaphragm to its genuine Sandpiper part number.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003ch3\u003eSandpiper HD20F Diaphragm Part Numbers\u003c\/h3\u003e\n\n\u003cdiv class=\"sp-table-wrap\"\u003e\n\u003ctable class=\"sp-part-table\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eDiaphragm Material\u003c\/th\u003e\n\u003cth\u003eManufacturer Part Number\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSantoprene\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e286.007.354\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHytrel\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e286.007.356\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNitrile \/ Buna-N\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e286.007.360\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFKM\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e286.007.363\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEPDM\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e286.007.364\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNeoprene\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e286.007.365\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"sp-note\"\u003e\n  \u003cstrong\u003eImportant:\u003c\/strong\u003e\n  These part numbers are based on current Sandpiper HD20F\n  Design Level 1 documentation. Confirm the pump identification,\n  existing diaphragm material and manufacturer part number\n  before ordering.\n\u003c\/div\u003e\n\n\u003cdiv class=\"sp-note\"\u003e\n  \u003cstrong\u003eMaterial Selection Note:\u003c\/strong\u003e\n  Confirm diaphragm compatibility with the pumped fluid and\n  operating conditions before selecting a replacement material.\n\u003c\/div\u003e\n\n\u003ch3\u003eWhy Choose Genuine Sandpiper Diaphragms?\u003c\/h3\u003e\n\n\u003cp\u003eGenuine Sandpiper diaphragms support accurate replacement-part identification for the applicable HD20F pump configuration.\u003c\/p\u003e\n\n\u003cdiv class=\"sp-benefit-grid\"\u003e\n  \u003cdiv class=\"sp-benefit-card\"\u003e\n\u003cdiv class=\"sp-benefit-number\"\u003e01\u003c\/div\u003e\n\u003ch4\u003eCorrect HD20F Compatibility\u003c\/h4\u003e\n\u003cp\u003eMatch the diaphragm to the applicable HD20F configuration.\u003c\/p\u003e\n\u003c\/div\u003e\n  \u003cdiv class=\"sp-benefit-card\"\u003e\n\u003cdiv class=\"sp-benefit-number\"\u003e02\u003c\/div\u003e\n\u003ch4\u003eVerified Materials\u003c\/h4\u003e\n\u003cp\u003eSelect from currently listed manufacturer diaphragm materials.\u003c\/p\u003e\n\u003c\/div\u003e\n  \u003cdiv class=\"sp-benefit-card\"\u003e\n\u003cdiv class=\"sp-benefit-number\"\u003e03\u003c\/div\u003e\n\u003ch4\u003ePart Number Identification\u003c\/h4\u003e\n\u003cp\u003eUse the genuine manufacturer part number when planning replacement stock.\u003c\/p\u003e\n\u003c\/div\u003e\n  \u003cdiv class=\"sp-benefit-card\"\u003e\n\u003cdiv class=\"sp-benefit-number\"\u003e04\u003c\/div\u003e\n\u003ch4\u003eGenuine Sandpiper Replacement Part\u003c\/h4\u003e\n\u003cp\u003eMaintain the pump using genuine spare parts intended for its configuration.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003ch3\u003eWhen Should a Sandpiper HD20F Diaphragm Be Inspected?\u003c\/h3\u003e\n\n\u003cp\u003eInspect the diaphragms during planned wet-end maintenance and whenever diaphragm damage or abnormal pump behaviour is suspected.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eProcess fluid is detected at the pump exhaust\u003c\/li\u003e\n  \u003cli\u003eVisible diaphragm wear or damage is identified\u003c\/li\u003e\n  \u003cli\u003eA diaphragm rupture is suspected\u003c\/li\u003e\n  \u003cli\u003eDiaphragm plates require inspection\u003c\/li\u003e\n  \u003cli\u003eUnexpected pump behaviour occurs\u003c\/li\u003e\n  \u003cli\u003eScheduled maintenance is due\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\n\u003cdiv class=\"sp-faq\"\u003e\n  \u003cdetails\u003e\u003csummary\u003eWhich diaphragm materials are available for the Sandpiper HD20F?\u003c\/summary\u003e\u003cp\u003eCurrent individual parts documentation lists Santoprene, Hytrel, Nitrile, FKM, EPDM and Neoprene.\u003c\/p\u003e\u003c\/details\u003e\n  \u003cdetails\u003e\u003csummary\u003eWhat is Sandpiper part number 286.007.354?\u003c\/summary\u003e\u003cp\u003e286.007.354 is the Santoprene diaphragm listed for the HD20F.\u003c\/p\u003e\u003c\/details\u003e\n  \u003cdetails\u003e\u003csummary\u003eWhat is Sandpiper part number 286.007.360?\u003c\/summary\u003e\u003cp\u003e286.007.360 is the Buna-N \/ Nitrile diaphragm listed for the HD20F.\u003c\/p\u003e\u003c\/details\u003e\n  \u003cdetails\u003e\u003csummary\u003eIs PTFE listed for the HD20F?\u003c\/summary\u003e\u003cp\u003ePTFE is not individually listed as a replacement diaphragm in the current HD20F Design Level 1 parts table.\u003c\/p\u003e\u003c\/details\u003e\n  \u003cdetails\u003e\u003csummary\u003eHow do I select the correct HD20F diaphragm?\u003c\/summary\u003e\u003cp\u003eConfirm the pump model, design level, diaphragm material and manufacturer part number before ordering.\u003c\/p\u003e\u003c\/details\u003e\n\u003c\/div\u003e\n\n\u003ch3 style=\"text-align:center;\"\u003eExplore Other Sandpiper Heavy Duty Flap Valve Diaphragms\u003c\/h3\u003e\n\n\u003cdiv class=\"sp-related-grid\"\u003e\n  \u003cdiv class=\"sp-related-card\"\u003e\n\u003cspan class=\"sp-related-label\"\u003e2\" Metallic\u003c\/span\u003e\u003ch4\u003eHDF2 \/ HDF50 Diaphragm\u003c\/h4\u003e\n\u003cp\u003eBrowse genuine diaphragms for HDF2 \/ HDF50 pumps.\u003c\/p\u003e\n\u003ca href=\"\/products\/sandpiper-hdf2-hdf50-heavy-duty-flap-diaphragm\"\u003eView HDF2 \/ HDF50 →\u003c\/a\u003e\n\u003c\/div\u003e\n  \u003cdiv class=\"sp-related-card\"\u003e\n\u003cspan class=\"sp-related-label\"\u003e2\" BEAST\u003c\/span\u003e\u003ch4\u003eSPB20 Non-Metallic Diaphragm\u003c\/h4\u003e\n\u003cp\u003eExplore genuine diaphragms for the SPB20 Non-Metallic pump.\u003c\/p\u003e\n\u003ca href=\"\/products\/sandpiper-spb20-beast-non-metallic-heavy-duty-flap-diaphragm\"\u003eView SPB20 →\u003c\/a\u003e\n\u003c\/div\u003e\n  \u003cdiv class=\"sp-related-card\"\u003e\n\u003cspan class=\"sp-related-label\"\u003e1\" Heavy Duty\u003c\/span\u003e\u003ch4\u003eHDF1 \/ HDF25 Diaphragm\u003c\/h4\u003e\n\u003cp\u003eFind genuine diaphragms for HDF1 \/ HDF25 pumps.\u003c\/p\u003e\n\u003ca href=\"\/products\/sandpiper-hdf1-hdf25-heavy-duty-flap-diaphragm\"\u003eView HDF1 \/ HDF25 →\u003c\/a\u003e\n\u003c\/div\u003e\n  \u003cdiv class=\"sp-related-card\"\u003e\n\u003cspan class=\"sp-related-label\"\u003eHeavy Duty Flap\u003c\/span\u003e\u003ch4\u003eAll Heavy Duty Flap Diaphragms\u003c\/h4\u003e\n\u003cp\u003eBrowse the complete Heavy Duty Flap diaphragm collection.\u003c\/p\u003e\n\u003ca href=\"\/collections\/sandpiper-heavy-duty-flap-valve-diaphragms\"\u003eView Collection →\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"sp-help-banner\"\u003e\n  \u003cdiv\u003e\n\u003ch3\u003eNeed Help Selecting the Correct HD20F Diaphragm?\u003c\/h3\u003e\n\u003cp\u003eSend ABS Engineering your pump model, design level, existing part number, pumped fluid and operating conditions.\u003c\/p\u003e\n\u003c\/div\u003e\n  \u003ca href=\"\/pages\/contact\"\u003eContact ABS Engineering\u003c\/a\u003e\n\u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"SANDPIPER","offers":[{"title":"Santoprene","offer_id":52982417064117,"sku":"286.007.354","price":0.0,"currency_code":"MYR","in_stock":true},{"title":"Hytrel","offer_id":52982417096885,"sku":"286.007.356","price":0.0,"currency_code":"MYR","in_stock":true},{"title":"Nitrile","offer_id":52982417129653,"sku":"286.007.360","price":0.0,"currency_code":"MYR","in_stock":true},{"title":"FKM","offer_id":52982417162421,"sku":"286.007.363","price":0.0,"currency_code":"MYR","in_stock":true},{"title":"EPDM","offer_id":52982417195189,"sku":"286.007.364","price":0.0,"currency_code":"MYR","in_stock":true},{"title":"Neoprene","offer_id":52982417227957,"sku":"286.007.365","price":0.0,"currency_code":"MYR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0696\/6168\/7989\/files\/18828594-0b1f-46fa-937b-91e8133bb63a_c4248b33-d5e6-4e00-95d7-939c59188ac7.png?v=1790049910"},{"product_id":"sandpiper-spb20-beast-metallic-heavy-duty-flap-diaphragm","title":"Sandpiper SPB20 BEAST 2\" Heavy Duty Flap Valve AODD Pump Diaphragm for Metallic Pumps","description":"\u003cdiv class=\"sp-diaphragm-desc\"\u003e\n\n\u003cstyle\u003e\n.sp-diaphragm-desc{--sp-blue:#1e3a8a;--sp-blue-light:#eef2ff;--sp-blue-soft:#f7f9ff;--sp-text:#2b2f38;--sp-muted:#626977;--sp-border:#e1e5ec;--sp-white:#ffffff;max-width:1100px;margin:0 auto;font-family:Arial,Helvetica,sans-serif;color:var(--sp-text);line-height:1.65;}\n.sp-diaphragm-desc *{box-sizing:border-box;}\n.sp-diaphragm-desc h2{color:var(--sp-blue);font-size:27px;line-height:1.3;margin:0 0 12px;}\n.sp-diaphragm-desc h3{color:var(--sp-blue);font-size:21px;line-height:1.35;margin:38px 0 14px;}\n.sp-diaphragm-desc h4{color:var(--sp-blue);font-size:15px;line-height:1.4;margin:0 0 8px;}\n.sp-diaphragm-desc p{margin:0 0 14px;font-size:15px;}\n.sp-diaphragm-desc ul{margin:0;padding-left:20px;font-size:15px;}\n.sp-diaphragm-desc li{margin-bottom:7px;}\n.sp-eyebrow{display:inline-block;color:var(--sp-blue);background:var(--sp-blue-light);font-size:12px;font-weight:700;letter-spacing:.5px;text-transform:uppercase;padding:6px 11px;border-radius:20px;margin-bottom:12px;}\n.sp-intro{font-size:16px!important;color:var(--sp-muted);max-width:850px;margin-bottom:28px!important;}\n.sp-overview-wrap{display:grid;grid-template-columns:minmax(0,2fr) minmax(240px,1fr);gap:28px;align-items:start;margin:24px 0 28px;}\n.sp-ideal-for{background:var(--sp-blue-soft);border:1px solid #dfe5f5;border-radius:12px;padding:22px;}\n.sp-ideal-for h4{font-size:16px;margin-bottom:12px;}\n.sp-benefit-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;margin:22px 0 38px;}\n.sp-benefit-card{border:1px solid var(--sp-border);border-radius:10px;padding:20px;background:var(--sp-white);}\n.sp-benefit-number{width:30px;height:30px;display:flex;align-items:center;justify-content:center;background:var(--sp-blue-light);color:var(--sp-blue);border-radius:50%;font-size:13px;font-weight:700;margin-bottom:13px;}\n.sp-benefit-card p{font-size:14px;color:var(--sp-muted);margin:0;}\n.sp-table-wrap{overflow-x:auto;margin:18px 0 38px;border:1px solid var(--sp-border);border-radius:10px;}\n.sp-spec-table,.sp-part-table{width:100%;border-collapse:collapse;font-size:14px;min-width:580px;}\n.sp-spec-table th,.sp-spec-table td,.sp-part-table td{text-align:left;padding:13px 16px;border-bottom:1px solid var(--sp-border);vertical-align:top;}\n.sp-spec-table th{width:34%;color:var(--sp-blue);background:#f8f9fc;font-weight:700;}\n.sp-part-table th{background:var(--sp-blue);color:#fff;padding:12px 14px;text-align:left;}\n.sp-part-table tr:nth-child(even) td{background:#f8f9fc;}\n.sp-note{border-left:4px solid var(--sp-blue);background:var(--sp-blue-soft);padding:16px 18px;margin:18px 0 34px;border-radius:0 8px 8px 0;font-size:14px;}\n.sp-faq{border-top:1px solid var(--sp-border);margin-bottom:36px;}\n.sp-faq details{border-bottom:1px solid var(--sp-border);}\n.sp-faq summary{cursor:pointer;list-style:none;color:var(--sp-blue);font-size:15px;font-weight:700;padding:17px 34px 17px 4px;position:relative;}\n.sp-faq summary::-webkit-details-marker{display:none;}\n.sp-faq summary:after{content:\"+\";position:absolute;right:5px;top:14px;font-size:22px;font-weight:400;}\n.sp-faq details[open] summary:after{content:\"−\";}\n.sp-faq details p{padding:0 4px 17px;color:var(--sp-muted);font-size:14px;}\n.sp-related-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:16px;margin:20px 0 38px;}\n.sp-related-card{border:1px solid var(--sp-border);border-radius:10px;padding:20px;background:#fff;display:flex;flex-direction:column;min-height:180px;}\n.sp-related-label{display:inline-block;width:max-content;color:var(--sp-blue);background:var(--sp-blue-light);padding:5px 9px;border-radius:16px;font-size:11px;font-weight:700;margin-bottom:12px;}\n.sp-related-card h4{font-size:16px;margin-bottom:8px;}\n.sp-related-card p{color:var(--sp-muted);font-size:13px;flex-grow:1;}\n.sp-related-card a{color:var(--sp-blue);font-size:13px;font-weight:700;text-decoration:none;}\n.sp-help-banner{background:var(--sp-blue);color:#fff;border-radius:12px;padding:28px 30px;display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap;margin-top:40px;}\n.sp-help-banner h3{color:#fff;margin:0 0 7px;font-size:20px;}\n.sp-help-banner p{color:#e4e9f8;font-size:14px;margin:0;max-width:660px;}\n.sp-help-banner a{flex-shrink:0;background:#fff;color:var(--sp-blue);text-decoration:none;font-weight:700;font-size:14px;padding:12px 24px;border-radius:25px;}\n@media(max-width:760px){.sp-diaphragm-desc h2{font-size:23px;}.sp-overview-wrap{grid-template-columns:1fr;}.sp-help-banner a{width:100%;text-align:center;}}\n\u003c\/style\u003e\n\n\u003cspan class=\"sp-eyebrow\"\u003eGenuine Sandpiper Replacement Part\u003c\/span\u003e\n\n\u003ch2\u003eSandpiper SPB20 BEAST 2\" Heavy Duty Flap Valve AODD Pump Diaphragm for Metallic Pumps\u003c\/h2\u003e\n\n\u003cp class=\"sp-intro\"\u003e\n  Genuine Sandpiper replacement diaphragms for compatible SPB20\n  BEAST 2-inch Metallic Heavy Duty Flap Valve AODD pumps.\n  Available diaphragm materials include Santoprene, Hytrel,\n  Nitrile, FKM, EPDM and Neoprene.\n\u003c\/p\u003e\n\n\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\n\u003cdiv class=\"sp-overview-wrap\"\u003e\n  \u003cdiv class=\"sp-overview-main\"\u003e\n\n    \u003cp\u003e\n      The \u003cstrong\u003eSandpiper SPB20 BEAST Metallic diaphragm\u003c\/strong\u003e\n      is a genuine replacement wet-end component for compatible\n      2-inch Heavy Duty Flap Valve AODD pumps.\n    \u003c\/p\u003e\n\n    \u003cp\u003e\n      The current SPB20 Metallic Design Level 1 is available with\n      aluminium, cast iron and stainless steel wetted configurations.\n      Pump wetted construction and diaphragm material are separate\n      specifications.\n    \u003c\/p\u003e\n\n    \u003cp\u003e\n      Current individual parts documentation lists Santoprene,\n      Hytrel, Nitrile, FKM, EPDM and Neoprene replacement diaphragms.\n    \u003c\/p\u003e\n\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"sp-ideal-for\"\u003e\n    \u003ch4\u003eRecommended For\u003c\/h4\u003e\n    \u003cul\u003e\n      \u003cli\u003eSPB20 BEAST diaphragm replacement\u003c\/li\u003e\n      \u003cli\u003eHeavy Duty Flap wet-end maintenance\u003c\/li\u003e\n      \u003cli\u003eScheduled preventive maintenance\u003c\/li\u003e\n      \u003cli\u003eDiaphragm wear or rupture replacement\u003c\/li\u003e\n      \u003cli\u003eCritical spare-parts inventory\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003ch3\u003eCompatibility \u0026amp; Product Details\u003c\/h3\u003e\n\n\u003cdiv class=\"sp-table-wrap\"\u003e\n\u003ctable class=\"sp-spec-table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eSandpiper\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCompatible Pump Model\u003c\/th\u003e\n\u003ctd\u003eSandpiper SPB20 BEAST\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePump Series\u003c\/th\u003e\n\u003ctd\u003eHeavy Duty Flap Valve \/ BEAST\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eNominal Pump Size\u003c\/th\u003e\n\u003ctd\u003e2\" \/ 50 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePart Type\u003c\/th\u003e\n\u003ctd\u003eAODD Pump Diaphragm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCompatible Pump Construction\u003c\/th\u003e\n\u003ctd\u003eMetallic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWetted Material Options\u003c\/th\u003e\n\u003ctd\u003eAluminium, Cast Iron and Stainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDiaphragm Materials\u003c\/th\u003e\n\u003ctd\u003eSantoprene, Hytrel, Nitrile, FKM, EPDM and Neoprene\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCurrent Design Level\u003c\/th\u003e\n\u003ctd\u003eDesign Level 1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eManufacturer Part Number\u003c\/th\u003e\n\u003ctd\u003eVaries according to selected diaphragm material\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch3\u003eHow to Select the Correct SPB20 Metallic Diaphragm\u003c\/h3\u003e\n\n\u003cp\u003eConfirm the SPB20 model, metallic construction, Design Level, existing diaphragm material and manufacturer part number before ordering.\u003c\/p\u003e\n\n\u003cdiv class=\"sp-benefit-grid\"\u003e\n  \u003cdiv class=\"sp-benefit-card\"\u003e\n\u003cdiv class=\"sp-benefit-number\"\u003e01\u003c\/div\u003e\n\u003ch4\u003eConfirm SPB20 Model\u003c\/h4\u003e\n\u003cp\u003eVerify that the pump is a 2-inch SPB20 BEAST Heavy Duty Flap model.\u003c\/p\u003e\n\u003c\/div\u003e\n  \u003cdiv class=\"sp-benefit-card\"\u003e\n\u003cdiv class=\"sp-benefit-number\"\u003e02\u003c\/div\u003e\n\u003ch4\u003eConfirm Metallic Construction\u003c\/h4\u003e\n\u003cp\u003eCheck the complete model code and pump nameplate.\u003c\/p\u003e\n\u003c\/div\u003e\n  \u003cdiv class=\"sp-benefit-card\"\u003e\n\u003cdiv class=\"sp-benefit-number\"\u003e03\u003c\/div\u003e\n\u003ch4\u003eSelect Diaphragm Material\u003c\/h4\u003e\n\u003cp\u003eSelect the applicable manufacturer-listed diaphragm material.\u003c\/p\u003e\n\u003c\/div\u003e\n  \u003cdiv class=\"sp-benefit-card\"\u003e\n\u003cdiv class=\"sp-benefit-number\"\u003e04\u003c\/div\u003e\n\u003ch4\u003eVerify Part Number\u003c\/h4\u003e\n\u003cp\u003eMatch the selected diaphragm to its genuine Sandpiper part number.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003ch3\u003eSandpiper SPB20 Metallic Diaphragm Part Numbers\u003c\/h3\u003e\n\n\u003cdiv class=\"sp-table-wrap\"\u003e\n\u003ctable class=\"sp-part-table\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eDiaphragm Material\u003c\/th\u003e\n\u003cth\u003eManufacturer Part Number\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSantoprene\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e286.007.354\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHytrel\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e286.007.356\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNitrile \/ Buna\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e286.007.360\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFKM\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e286.007.363\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEPDM\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e286.007.364\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNeoprene\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e286.007.365\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"sp-note\"\u003e\n  \u003cstrong\u003eImportant:\u003c\/strong\u003e\n  These part numbers are based on the current SPB20 Metallic\n  Design Level 1 repair-parts documentation. Confirm the complete\n  model and existing diaphragm before ordering.\n\u003c\/div\u003e\n\n\u003cdiv class=\"sp-note\"\u003e\n  \u003cstrong\u003eFDA Nitrile Verification:\u003c\/strong\u003e\n  FDA Nitrile appears in current SPB20 pump nomenclature, but a\n  standalone FDA Nitrile diaphragm part number is not individually\n  listed in the current parts table. Verification is required\n  before creating that Shopify variant.\n\u003c\/div\u003e\n\n\u003ch3\u003eWhy Choose Genuine Sandpiper Diaphragms?\u003c\/h3\u003e\n\n\u003cp\u003eGenuine Sandpiper replacement diaphragms support accurate component identification for the applicable SPB20 Metallic configuration.\u003c\/p\u003e\n\n\u003cdiv class=\"sp-benefit-grid\"\u003e\n  \u003cdiv class=\"sp-benefit-card\"\u003e\n\u003cdiv class=\"sp-benefit-number\"\u003e01\u003c\/div\u003e\n\u003ch4\u003eCorrect SPB20 Compatibility\u003c\/h4\u003e\n\u003cp\u003eMatch the replacement part to the applicable metallic SPB20 configuration.\u003c\/p\u003e\n\u003c\/div\u003e\n  \u003cdiv class=\"sp-benefit-card\"\u003e\n\u003cdiv class=\"sp-benefit-number\"\u003e02\u003c\/div\u003e\n\u003ch4\u003eVerified Materials\u003c\/h4\u003e\n\u003cp\u003eSelect from individually listed diaphragm materials.\u003c\/p\u003e\n\u003c\/div\u003e\n  \u003cdiv class=\"sp-benefit-card\"\u003e\n\u003cdiv class=\"sp-benefit-number\"\u003e03\u003c\/div\u003e\n\u003ch4\u003eAccurate Part Identification\u003c\/h4\u003e\n\u003cp\u003eUse exact manufacturer part numbers when preparing maintenance stock.\u003c\/p\u003e\n\u003c\/div\u003e\n  \u003cdiv class=\"sp-benefit-card\"\u003e\n\u003cdiv class=\"sp-benefit-number\"\u003e04\u003c\/div\u003e\n\u003ch4\u003eGenuine Sandpiper Replacement Part\u003c\/h4\u003e\n\u003cp\u003eMaintain the pump using genuine manufacturer components.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003ch3\u003eWhen Should an SPB20 BEAST Diaphragm Be Inspected?\u003c\/h3\u003e\n\n\u003cp\u003eInspect the diaphragms during planned wet-end maintenance and whenever signs of diaphragm wear or failure are identified.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eProcess fluid is detected at the pump exhaust\u003c\/li\u003e\n  \u003cli\u003eVisible diaphragm wear or damage is found\u003c\/li\u003e\n  \u003cli\u003eA diaphragm rupture is suspected\u003c\/li\u003e\n  \u003cli\u003eDiaphragm plates require inspection\u003c\/li\u003e\n  \u003cli\u003eUnexpected pump behaviour occurs\u003c\/li\u003e\n  \u003cli\u003eScheduled maintenance is due\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\n\u003cdiv class=\"sp-faq\"\u003e\n  \u003cdetails\u003e\u003csummary\u003eWhich diaphragm materials are individually listed for the SPB20 Metallic pump?\u003c\/summary\u003e\u003cp\u003eSantoprene, Hytrel, Nitrile, FKM, EPDM and Neoprene are individually listed in the current parts documentation.\u003c\/p\u003e\u003c\/details\u003e\n  \u003cdetails\u003e\u003csummary\u003eWhat is SPB20 part number 286.007.354?\u003c\/summary\u003e\u003cp\u003e286.007.354 is the Santoprene diaphragm.\u003c\/p\u003e\u003c\/details\u003e\n  \u003cdetails\u003e\u003csummary\u003eWhat is SPB20 part number 286.007.363?\u003c\/summary\u003e\u003cp\u003e286.007.363 is the FKM diaphragm.\u003c\/p\u003e\u003c\/details\u003e\n  \u003cdetails\u003e\u003csummary\u003eIs PTFE available as an SPB20 diaphragm?\u003c\/summary\u003e\u003cp\u003ePTFE is not individually listed as a diaphragm in the current SPB20 Metallic parts table.\u003c\/p\u003e\u003c\/details\u003e\n  \u003cdetails\u003e\u003csummary\u003eHow do I select the correct SPB20 diaphragm?\u003c\/summary\u003e\u003cp\u003eConfirm the metallic pump configuration, Design Level, diaphragm material and manufacturer part number.\u003c\/p\u003e\u003c\/details\u003e\n\u003c\/div\u003e\n\n\u003ch3 style=\"text-align:center;\"\u003eExplore Other Sandpiper Heavy Duty Flap Valve Diaphragms\u003c\/h3\u003e\n\n\u003cdiv class=\"sp-related-grid\"\u003e\n  \u003cdiv class=\"sp-related-card\"\u003e\n\u003cspan class=\"sp-related-label\"\u003e2\" Non-Metallic\u003c\/span\u003e\u003ch4\u003eSPB20 Non-Metallic Diaphragm\u003c\/h4\u003e\n\u003cp\u003eBrowse replacement diaphragms for the Non-Metallic SPB20 BEAST.\u003c\/p\u003e\n\u003ca href=\"\/products\/sandpiper-spb20-beast-non-metallic-heavy-duty-flap-diaphragm\"\u003eView SPB20 Non-Metallic →\u003c\/a\u003e\n\u003c\/div\u003e\n  \u003cdiv class=\"sp-related-card\"\u003e\n\u003cspan class=\"sp-related-label\"\u003e3\" BEAST\u003c\/span\u003e\u003ch4\u003eSPB30 BEAST Diaphragm\u003c\/h4\u003e\n\u003cp\u003eExplore genuine diaphragms for SPB30 Heavy Duty Flap pumps.\u003c\/p\u003e\n\u003ca href=\"\/products\/sandpiper-spb30-beast-heavy-duty-flap-diaphragm\"\u003eView SPB30 →\u003c\/a\u003e\n\u003c\/div\u003e\n  \u003cdiv class=\"sp-related-card\"\u003e\n\u003cspan class=\"sp-related-label\"\u003e2\" Heavy Duty\u003c\/span\u003e\u003ch4\u003eHDF2 \/ HDF50 Diaphragm\u003c\/h4\u003e\n\u003cp\u003eBrowse diaphragms for HDF2 \/ HDF50 pumps.\u003c\/p\u003e\n\u003ca href=\"\/products\/sandpiper-hdf2-hdf50-heavy-duty-flap-diaphragm\"\u003eView HDF2 \/ HDF50 →\u003c\/a\u003e\n\u003c\/div\u003e\n  \u003cdiv class=\"sp-related-card\"\u003e\n\u003cspan class=\"sp-related-label\"\u003eHeavy Duty Flap\u003c\/span\u003e\u003ch4\u003eAll Heavy Duty Flap Diaphragms\u003c\/h4\u003e\n\u003cp\u003eBrowse the complete Heavy Duty Flap diaphragm range.\u003c\/p\u003e\n\u003ca href=\"\/collections\/sandpiper-heavy-duty-flap-valve-diaphragms\"\u003eView Collection →\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"sp-help-banner\"\u003e\n  \u003cdiv\u003e\n\u003ch3\u003eNeed Help Selecting the Correct SPB20 Metallic Diaphragm?\u003c\/h3\u003e\n\u003cp\u003eSend ABS Engineering your complete pump model, existing part number, pumped fluid and operating conditions.\u003c\/p\u003e\n\u003c\/div\u003e\n  \u003ca href=\"\/pages\/contact\"\u003eContact ABS Engineering\u003c\/a\u003e\n\u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"SANDPIPER","offers":[{"title":"Santoprene","offer_id":52982422077621,"sku":"286.007.354","price":0.0,"currency_code":"MYR","in_stock":true},{"title":"Hytrel","offer_id":52982422110389,"sku":"286.007.356","price":0.0,"currency_code":"MYR","in_stock":true},{"title":"Nitrile","offer_id":52982422143157,"sku":"286.007.360","price":0.0,"currency_code":"MYR","in_stock":true},{"title":"FKM","offer_id":52982422175925,"sku":"286.007.363","price":0.0,"currency_code":"MYR","in_stock":true},{"title":"EPDM","offer_id":52982422208693,"sku":"286.007.364","price":0.0,"currency_code":"MYR","in_stock":true},{"title":"Neoprene","offer_id":52982422241461,"sku":"286.007.365","price":0.0,"currency_code":"MYR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0696\/6168\/7989\/files\/18828594-0b1f-46fa-937b-91e8133bb63a_c4248b33-d5e6-4e00-95d7-939c59188ac7.png?v=1790049910"},{"product_id":"sandpiper-spb20-beast-non-metallic-heavy-duty-flap-diaphragm","title":"Sandpiper SPB20 BEAST 2\" Heavy Duty Flap Valve AODD Pump Diaphragm for Non-Metallic Pumps","description":"\u003cdiv class=\"sp-diaphragm-desc\"\u003e\n\n\u003cstyle\u003e\n.sp-diaphragm-desc{--sp-blue:#1e3a8a;--sp-blue-light:#eef2ff;--sp-blue-soft:#f7f9ff;--sp-text:#2b2f38;--sp-muted:#626977;--sp-border:#e1e5ec;--sp-white:#ffffff;max-width:1100px;margin:0 auto;font-family:Arial,Helvetica,sans-serif;color:var(--sp-text);line-height:1.65;}\n.sp-diaphragm-desc *{box-sizing:border-box;}\n.sp-diaphragm-desc h2{color:var(--sp-blue);font-size:27px;line-height:1.3;margin:0 0 12px;}\n.sp-diaphragm-desc h3{color:var(--sp-blue);font-size:21px;line-height:1.35;margin:38px 0 14px;}\n.sp-diaphragm-desc h4{color:var(--sp-blue);font-size:15px;line-height:1.4;margin:0 0 8px;}\n.sp-diaphragm-desc p{margin:0 0 14px;font-size:15px;}\n.sp-diaphragm-desc ul{margin:0;padding-left:20px;font-size:15px;}\n.sp-diaphragm-desc li{margin-bottom:7px;}\n.sp-eyebrow{display:inline-block;color:var(--sp-blue);background:var(--sp-blue-light);font-size:12px;font-weight:700;letter-spacing:.5px;text-transform:uppercase;padding:6px 11px;border-radius:20px;margin-bottom:12px;}\n.sp-intro{font-size:16px!important;color:var(--sp-muted);max-width:850px;margin-bottom:28px!important;}\n.sp-overview-wrap{display:grid;grid-template-columns:minmax(0,2fr) minmax(240px,1fr);gap:28px;align-items:start;margin:24px 0 28px;}\n.sp-ideal-for{background:var(--sp-blue-soft);border:1px solid #dfe5f5;border-radius:12px;padding:22px;}\n.sp-ideal-for h4{font-size:16px;margin-bottom:12px;}\n.sp-benefit-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;margin:22px 0 38px;}\n.sp-benefit-card{border:1px solid var(--sp-border);border-radius:10px;padding:20px;background:var(--sp-white);}\n.sp-benefit-number{width:30px;height:30px;display:flex;align-items:center;justify-content:center;background:var(--sp-blue-light);color:var(--sp-blue);border-radius:50%;font-size:13px;font-weight:700;margin-bottom:13px;}\n.sp-benefit-card p{font-size:14px;color:var(--sp-muted);margin:0;}\n.sp-table-wrap{overflow-x:auto;margin:18px 0 38px;border:1px solid var(--sp-border);border-radius:10px;}\n.sp-spec-table,.sp-part-table{width:100%;border-collapse:collapse;font-size:14px;min-width:580px;}\n.sp-spec-table th,.sp-spec-table td,.sp-part-table td{text-align:left;padding:13px 16px;border-bottom:1px solid var(--sp-border);vertical-align:top;}\n.sp-spec-table th{width:34%;color:var(--sp-blue);background:#f8f9fc;font-weight:700;}\n.sp-part-table th{background:var(--sp-blue);color:#fff;padding:12px 14px;text-align:left;}\n.sp-part-table tr:nth-child(even) td{background:#f8f9fc;}\n.sp-note{border-left:4px solid var(--sp-blue);background:var(--sp-blue-soft);padding:16px 18px;margin:18px 0 34px;border-radius:0 8px 8px 0;font-size:14px;}\n.sp-faq{border-top:1px solid var(--sp-border);margin-bottom:36px;}\n.sp-faq details{border-bottom:1px solid var(--sp-border);}\n.sp-faq summary{cursor:pointer;list-style:none;color:var(--sp-blue);font-size:15px;font-weight:700;padding:17px 34px 17px 4px;position:relative;}\n.sp-faq summary::-webkit-details-marker{display:none;}\n.sp-faq summary:after{content:\"+\";position:absolute;right:5px;top:14px;font-size:22px;font-weight:400;}\n.sp-faq details[open] summary:after{content:\"−\";}\n.sp-faq details p{padding:0 4px 17px;color:var(--sp-muted);font-size:14px;}\n.sp-related-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:16px;margin:20px 0 38px;}\n.sp-related-card{border:1px solid var(--sp-border);border-radius:10px;padding:20px;background:#fff;display:flex;flex-direction:column;min-height:180px;}\n.sp-related-label{display:inline-block;width:max-content;color:var(--sp-blue);background:var(--sp-blue-light);padding:5px 9px;border-radius:16px;font-size:11px;font-weight:700;margin-bottom:12px;}\n.sp-related-card h4{font-size:16px;margin-bottom:8px;}\n.sp-related-card p{color:var(--sp-muted);font-size:13px;flex-grow:1;}\n.sp-related-card a{color:var(--sp-blue);font-size:13px;font-weight:700;text-decoration:none;}\n.sp-help-banner{background:var(--sp-blue);color:#fff;border-radius:12px;padding:28px 30px;display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap;margin-top:40px;}\n.sp-help-banner h3{color:#fff;margin:0 0 7px;font-size:20px;}\n.sp-help-banner p{color:#e4e9f8;font-size:14px;margin:0;max-width:660px;}\n.sp-help-banner a{flex-shrink:0;background:#fff;color:var(--sp-blue);text-decoration:none;font-weight:700;font-size:14px;padding:12px 24px;border-radius:25px;}\n@media(max-width:760px){.sp-diaphragm-desc h2{font-size:23px;}.sp-overview-wrap{grid-template-columns:1fr;}.sp-help-banner a{width:100%;text-align:center;}}\n\u003c\/style\u003e\n\n\u003cspan class=\"sp-eyebrow\"\u003eGenuine Sandpiper Replacement Part\u003c\/span\u003e\n\n\u003ch2\u003eSandpiper SPB20 BEAST 2\" Heavy Duty Flap Valve AODD Pump Diaphragm for Non-Metallic Pumps\u003c\/h2\u003e\n\n\u003cp class=\"sp-intro\"\u003e\n  Genuine Sandpiper replacement diaphragms for compatible SPB20\n  BEAST 2-inch Non-Metallic Heavy Duty Flap Valve AODD pumps.\n  Available diaphragm materials include Santoprene, Hytrel,\n  Nitrile, FKM, EPDM and Neoprene.\n\u003c\/p\u003e\n\n\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\n\u003cdiv class=\"sp-overview-wrap\"\u003e\n  \u003cdiv class=\"sp-overview-main\"\u003e\n\n    \u003cp\u003e\n      The \u003cstrong\u003eSandpiper SPB20 BEAST Non-Metallic diaphragm\u003c\/strong\u003e\n      is a genuine replacement wet-end component for compatible\n      2-inch Heavy Duty Flap Valve AODD pumps.\n    \u003c\/p\u003e\n\n    \u003cp\u003e\n      This product page is specifically for the SPB20 Non-Metallic\n      pump configuration. Pump construction and diaphragm material\n      are separate specifications.\n    \u003c\/p\u003e\n\n    \u003cp\u003e\n      Current Design Level 1 parts documentation individually\n      lists Santoprene, Hytrel, Nitrile, FKM, EPDM and Neoprene\n      replacement diaphragms.\n    \u003c\/p\u003e\n\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"sp-ideal-for\"\u003e\n    \u003ch4\u003eRecommended For\u003c\/h4\u003e\n    \u003cul\u003e\n      \u003cli\u003eSPB20 Non-Metallic diaphragm replacement\u003c\/li\u003e\n      \u003cli\u003eHeavy Duty Flap wet-end servicing\u003c\/li\u003e\n      \u003cli\u003eScheduled preventive maintenance\u003c\/li\u003e\n      \u003cli\u003eDiaphragm wear or failure replacement\u003c\/li\u003e\n      \u003cli\u003eMaintenance spare-parts stock\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003ch3\u003eCompatibility \u0026amp; Product Details\u003c\/h3\u003e\n\n\u003cdiv class=\"sp-table-wrap\"\u003e\n\u003ctable class=\"sp-spec-table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eSandpiper\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCompatible Pump Model\u003c\/th\u003e\n\u003ctd\u003eSandpiper SPB20 BEAST Non-Metallic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePump Series\u003c\/th\u003e\n\u003ctd\u003eHeavy Duty Flap Valve \/ BEAST\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eNominal Pump Size\u003c\/th\u003e\n\u003ctd\u003e2\" \/ 50 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePart Type\u003c\/th\u003e\n\u003ctd\u003eAODD Pump Diaphragm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCompatible Pump Construction\u003c\/th\u003e\n\u003ctd\u003eNon-Metallic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDiaphragm Materials\u003c\/th\u003e\n\u003ctd\u003eSantoprene, Hytrel, Nitrile, FKM, EPDM and Neoprene\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCurrent Design Level\u003c\/th\u003e\n\u003ctd\u003eDesign Level 1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eManufacturer Part Number\u003c\/th\u003e\n\u003ctd\u003eVaries according to selected diaphragm material\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch3\u003eHow to Select the Correct SPB20 Non-Metallic Diaphragm\u003c\/h3\u003e\n\n\u003cp\u003eConfirm the complete SPB20 Non-Metallic pump identification, Design Level, diaphragm material and manufacturer part number before ordering.\u003c\/p\u003e\n\n\u003cdiv class=\"sp-benefit-grid\"\u003e\n  \u003cdiv class=\"sp-benefit-card\"\u003e\n\u003cdiv class=\"sp-benefit-number\"\u003e01\u003c\/div\u003e\n\u003ch4\u003eConfirm Pump Model\u003c\/h4\u003e\n\u003cp\u003eVerify the SPB20 BEAST model on the pump identification.\u003c\/p\u003e\n\u003c\/div\u003e\n  \u003cdiv class=\"sp-benefit-card\"\u003e\n\u003cdiv class=\"sp-benefit-number\"\u003e02\u003c\/div\u003e\n\u003ch4\u003eConfirm Non-Metallic Construction\u003c\/h4\u003e\n\u003cp\u003eCheck that the pump is the Non-Metallic SPB20 configuration.\u003c\/p\u003e\n\u003c\/div\u003e\n  \u003cdiv class=\"sp-benefit-card\"\u003e\n\u003cdiv class=\"sp-benefit-number\"\u003e03\u003c\/div\u003e\n\u003ch4\u003eSelect Diaphragm Material\u003c\/h4\u003e\n\u003cp\u003eSelect the applicable manufacturer-listed diaphragm material.\u003c\/p\u003e\n\u003c\/div\u003e\n  \u003cdiv class=\"sp-benefit-card\"\u003e\n\u003cdiv class=\"sp-benefit-number\"\u003e04\u003c\/div\u003e\n\u003ch4\u003eVerify Part Number\u003c\/h4\u003e\n\u003cp\u003eMatch the replacement diaphragm to the Sandpiper part number.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003ch3\u003eSandpiper SPB20 Non-Metallic Diaphragm Part Numbers\u003c\/h3\u003e\n\n\u003cdiv class=\"sp-table-wrap\"\u003e\n\u003ctable class=\"sp-part-table\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eDiaphragm Material\u003c\/th\u003e\n\u003cth\u003eManufacturer Part Number\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSantoprene\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e286.007.354\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHytrel\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e286.007.356\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNitrile \/ Buna-N\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e286.007.360\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFKM\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e286.007.363\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEPDM\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e286.007.364\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNeoprene\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e286.007.365\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"sp-note\"\u003e\n  \u003cstrong\u003eImportant:\u003c\/strong\u003e\n  These part numbers are based on current SPB20 Non-Metallic\n  Design Level 1 parts documentation. Confirm the complete pump\n  identification before ordering.\n\u003c\/div\u003e\n\n\u003cdiv class=\"sp-note\"\u003e\n  \u003cstrong\u003eConstruction Note:\u003c\/strong\u003e\n  Do not select replacement parts solely from the SPB20 model name.\n  Confirm whether the pump is Metallic or Non-Metallic before ordering.\n\u003c\/div\u003e\n\n\u003ch3\u003eWhy Choose Genuine Sandpiper Diaphragms?\u003c\/h3\u003e\n\n\u003cp\u003eGenuine Sandpiper diaphragms support accurate spare-part identification for the applicable SPB20 Non-Metallic configuration.\u003c\/p\u003e\n\n\u003cdiv class=\"sp-benefit-grid\"\u003e\n  \u003cdiv class=\"sp-benefit-card\"\u003e\n\u003cdiv class=\"sp-benefit-number\"\u003e01\u003c\/div\u003e\n\u003ch4\u003eCorrect Pump Compatibility\u003c\/h4\u003e\n\u003cp\u003eMatch the replacement diaphragm to the Non-Metallic SPB20 configuration.\u003c\/p\u003e\n\u003c\/div\u003e\n  \u003cdiv class=\"sp-benefit-card\"\u003e\n\u003cdiv class=\"sp-benefit-number\"\u003e02\u003c\/div\u003e\n\u003ch4\u003eVerified Materials\u003c\/h4\u003e\n\u003cp\u003eSelect from individually listed replacement diaphragm materials.\u003c\/p\u003e\n\u003c\/div\u003e\n  \u003cdiv class=\"sp-benefit-card\"\u003e\n\u003cdiv class=\"sp-benefit-number\"\u003e03\u003c\/div\u003e\n\u003ch4\u003ePart Number Identification\u003c\/h4\u003e\n\u003cp\u003eUse exact manufacturer part numbers during maintenance planning.\u003c\/p\u003e\n\u003c\/div\u003e\n  \u003cdiv class=\"sp-benefit-card\"\u003e\n\u003cdiv class=\"sp-benefit-number\"\u003e04\u003c\/div\u003e\n\u003ch4\u003eGenuine Sandpiper Replacement Part\u003c\/h4\u003e\n\u003cp\u003eMaintain the pump using genuine manufacturer components.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003ch3\u003eWhen Should an SPB20 Diaphragm Be Inspected?\u003c\/h3\u003e\n\n\u003cp\u003eInspect the diaphragms during scheduled wet-end maintenance or whenever signs of wear or failure are identified.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eProcess fluid is detected at the pump exhaust\u003c\/li\u003e\n  \u003cli\u003eVisible diaphragm wear or damage is found\u003c\/li\u003e\n  \u003cli\u003eA diaphragm rupture is suspected\u003c\/li\u003e\n  \u003cli\u003eDiaphragm plates require inspection\u003c\/li\u003e\n  \u003cli\u003eUnexpected pump behaviour occurs\u003c\/li\u003e\n  \u003cli\u003eScheduled maintenance is due\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\n\u003cdiv class=\"sp-faq\"\u003e\n  \u003cdetails\u003e\u003csummary\u003eWhich diaphragm materials are listed for SPB20 Non-Metallic?\u003c\/summary\u003e\u003cp\u003eCurrent individual parts documentation lists Santoprene, Hytrel, Nitrile, FKM, EPDM and Neoprene.\u003c\/p\u003e\u003c\/details\u003e\n  \u003cdetails\u003e\u003csummary\u003eWhat is part number 286.007.354?\u003c\/summary\u003e\u003cp\u003e286.007.354 is the Santoprene diaphragm listed for the SPB20 Non-Metallic pump.\u003c\/p\u003e\u003c\/details\u003e\n  \u003cdetails\u003e\u003csummary\u003eDoes this product fit the SPB20 Metallic pump?\u003c\/summary\u003e\u003cp\u003eThis page is specifically intended for the SPB20 Non-Metallic pump. Confirm the pump construction before ordering.\u003c\/p\u003e\u003c\/details\u003e\n  \u003cdetails\u003e\u003csummary\u003eIs PTFE individually listed for the SPB20 Non-Metallic pump?\u003c\/summary\u003e\u003cp\u003eNo PTFE diaphragm is individually listed in the current SPB20 Non-Metallic parts table.\u003c\/p\u003e\u003c\/details\u003e\n  \u003cdetails\u003e\u003csummary\u003eHow do I select the correct SPB20 diaphragm?\u003c\/summary\u003e\u003cp\u003eConfirm the model, pump construction, Design Level, diaphragm material and manufacturer part number.\u003c\/p\u003e\u003c\/details\u003e\n\u003c\/div\u003e\n\n\u003ch3 style=\"text-align:center;\"\u003eExplore Other Sandpiper Heavy Duty Flap Valve Diaphragms\u003c\/h3\u003e\n\n\u003cdiv class=\"sp-related-grid\"\u003e\n  \u003cdiv class=\"sp-related-card\"\u003e\n\u003cspan class=\"sp-related-label\"\u003e2\" Metallic\u003c\/span\u003e\u003ch4\u003eSPB20 Metallic Diaphragm\u003c\/h4\u003e\n\u003cp\u003eBrowse diaphragms for the SPB20 Metallic BEAST pump.\u003c\/p\u003e\n\u003ca href=\"\/products\/sandpiper-spb20-beast-metallic-heavy-duty-flap-diaphragm\"\u003eView SPB20 Metallic →\u003c\/a\u003e\n\u003c\/div\u003e\n  \u003cdiv class=\"sp-related-card\"\u003e\n\u003cspan class=\"sp-related-label\"\u003e2\" Non-Metallic\u003c\/span\u003e\u003ch4\u003eHD20F Diaphragm\u003c\/h4\u003e\n\u003cp\u003eExplore genuine diaphragms for Sandpiper HD20F pumps.\u003c\/p\u003e\n\u003ca href=\"\/products\/sandpiper-hd20f-non-metallic-heavy-duty-flap-diaphragm\"\u003eView HD20F →\u003c\/a\u003e\n\u003c\/div\u003e\n  \u003cdiv class=\"sp-related-card\"\u003e\n\u003cspan class=\"sp-related-label\"\u003e3\" BEAST\u003c\/span\u003e\u003ch4\u003eSPB30 Diaphragm\u003c\/h4\u003e\n\u003cp\u003eBrowse genuine diaphragms for SPB30 pumps.\u003c\/p\u003e\n\u003ca href=\"\/products\/sandpiper-spb30-beast-heavy-duty-flap-diaphragm\"\u003eView SPB30 →\u003c\/a\u003e\n\u003c\/div\u003e\n  \u003cdiv class=\"sp-related-card\"\u003e\n\u003cspan class=\"sp-related-label\"\u003eHeavy Duty Flap\u003c\/span\u003e\u003ch4\u003eAll Heavy Duty Flap Diaphragms\u003c\/h4\u003e\n\u003cp\u003eBrowse the complete Heavy Duty Flap diaphragm collection.\u003c\/p\u003e\n\u003ca href=\"\/collections\/sandpiper-heavy-duty-flap-valve-diaphragms\"\u003eView Collection →\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"sp-help-banner\"\u003e\n  \u003cdiv\u003e\n\u003ch3\u003eNeed Help Selecting the Correct SPB20 Non-Metallic Diaphragm?\u003c\/h3\u003e\n\u003cp\u003eSend ABS Engineering your complete model, existing part number, pumped fluid and operating conditions.\u003c\/p\u003e\n\u003c\/div\u003e\n  \u003ca href=\"\/pages\/contact\"\u003eContact ABS Engineering\u003c\/a\u003e\n\u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"SANDPIPER","offers":[{"title":"Santoprene","offer_id":52984445599925,"sku":"286.007.354","price":0.0,"currency_code":"MYR","in_stock":true},{"title":"Hytrel","offer_id":52984445632693,"sku":"286.007.356","price":0.0,"currency_code":"MYR","in_stock":true},{"title":"Nitrile","offer_id":52984445665461,"sku":"286.007.360","price":0.0,"currency_code":"MYR","in_stock":true},{"title":"FKM","offer_id":52984445698229,"sku":"286.007.363","price":0.0,"currency_code":"MYR","in_stock":true},{"title":"EPDM","offer_id":52984445730997,"sku":"286.007.364","price":0.0,"currency_code":"MYR","in_stock":true},{"title":"Neoprene","offer_id":52984445763765,"sku":"286.007.365","price":0.0,"currency_code":"MYR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0696\/6168\/7989\/files\/18828594-0b1f-46fa-937b-91e8133bb63a_c4248b33-d5e6-4e00-95d7-939c59188ac7.png?v=1790049910"},{"product_id":"sandpiper-hdf3-3-heavy-duty-flap-valve-aodd-pump-diaphragm-for-metallic-pumps","title":"Sandpiper HDF3 3\" Heavy Duty Flap Valve AODD Pump Diaphragm for Metallic Pumps","description":"\u003cdiv class=\"sp-diaphragm-desc\"\u003e\n\n\u003cstyle\u003e\n.sp-diaphragm-desc{\n  --sp-blue:#1e3a8a;\n  --sp-blue-light:#eef2ff;\n  --sp-blue-soft:#f7f9ff;\n  --sp-text:#2b2f38;\n  --sp-muted:#626977;\n  --sp-border:#e1e5ec;\n  --sp-white:#ffffff;\n  max-width:1100px;\n  margin:0 auto;\n  font-family:Arial,Helvetica,sans-serif;\n  color:var(--sp-text);\n  line-height:1.65;\n}\n.sp-diaphragm-desc *{box-sizing:border-box;}\n.sp-diaphragm-desc h2{\n  color:var(--sp-blue);\n  font-size:25px;\n  line-height:1.3;\n  margin:36px 0 12px;\n}\n.sp-diaphragm-desc h3{\n  color:var(--sp-blue);\n  font-size:20px;\n  margin:30px 0 14px;\n}\n.sp-diaphragm-desc p{font-size:15px;margin:0 0 15px;}\n.sp-diaphragm-desc ul{padding-left:21px;font-size:15px;}\n.sp-diaphragm-desc li{margin-bottom:8px;}\n\n.sp-atomic-answer{\n  font-size:16px!important;\n  color:var(--sp-text);\n  background:var(--sp-blue-soft);\n  border-left:4px solid var(--sp-blue);\n  padding:18px 20px;\n  border-radius:0 8px 8px 0;\n  margin:0 0 25px!important;\n}\n\n.sp-spec-box{\n  background:#fff;\n  border:1px solid var(--sp-border);\n  border-radius:10px;\n  padding:20px 24px;\n  margin:15px 0 30px;\n}\n\n.sp-table-wrap{\n  overflow-x:auto;\n  border:1px solid var(--sp-border);\n  border-radius:10px;\n  margin:18px 0 30px;\n}\n\n.sp-spec-table{\n  width:100%;\n  border-collapse:collapse;\n  min-width:700px;\n  font-size:14px;\n}\n.sp-spec-table th{\n  background:var(--sp-blue);\n  color:#fff;\n  text-align:left;\n  padding:12px 14px;\n}\n.sp-spec-table td{\n  padding:13px 14px;\n  border-bottom:1px solid var(--sp-border);\n  vertical-align:top;\n}\n.sp-spec-table tr:nth-child(even) td{background:#f8f9fc;}\n\n.sp-app-grid{\n  display:grid;\n  grid-template-columns:repeat(auto-fit,minmax(210px,1fr));\n  gap:15px;\n  margin:18px 0 30px;\n}\n.sp-app-card{\n  border:1px solid var(--sp-border);\n  border-radius:10px;\n  padding:18px;\n  background:#fff;\n}\n.sp-app-card strong{\n  display:block;\n  color:var(--sp-blue);\n  margin-bottom:6px;\n}\n.sp-app-card p{\n  font-size:14px;\n  color:var(--sp-muted);\n  margin:0;\n}\n\n.sp-note{\n  background:var(--sp-blue-soft);\n  border-left:4px solid var(--sp-blue);\n  padding:16px 18px;\n  border-radius:0 8px 8px 0;\n  font-size:14px;\n  margin:20px 0 30px;\n}\n\n.sp-help-banner{\n  background:var(--sp-blue);\n  color:#fff;\n  border-radius:12px;\n  padding:27px 30px;\n  margin-top:35px;\n  display:flex;\n  justify-content:space-between;\n  align-items:center;\n  gap:24px;\n  flex-wrap:wrap;\n}\n.sp-help-banner h3{\n  color:#fff;\n  margin:0 0 7px;\n  font-size:20px;\n}\n.sp-help-banner p{\n  color:#e4e9f8;\n  margin:0;\n  max-width:650px;\n  font-size:14px;\n}\n.sp-cta-links{\n  display:flex;\n  gap:10px;\n  flex-wrap:wrap;\n}\n.sp-cta-links a{\n  background:#fff;\n  color:var(--sp-blue);\n  text-decoration:none;\n  font-size:14px;\n  font-weight:700;\n  padding:11px 20px;\n  border-radius:25px;\n}\n\n@media(max-width:760px){\n  .sp-diaphragm-desc h2{font-size:22px;}\n  .sp-help-banner{align-items:flex-start;}\n  .sp-cta-links{width:100%;}\n  .sp-cta-links a{width:100%;text-align:center;}\n}\n\u003c\/style\u003e\n\n\u003ch2\u003eSandpiper HDF3 Diaphragm Product Overview\u003c\/h2\u003e\n\n\u003cp class=\"sp-atomic-answer\"\u003e\n  The Sandpiper HDF3 diaphragm is a genuine replacement wear\n  component for 3-inch Heavy Duty Flap Valve AODD pumps. Correct\n  selection depends on the pump's metallic wetted construction—\n  aluminium, cast iron or stainless steel—and the required\n  diaphragm material and manufacturer part number.\n\u003c\/p\u003e\n\n\u003cp\u003e\n  This product page is designed to help maintenance engineers,\n  plant teams and industrial buyers identify the correct\n  \u003cstrong\u003eSandpiper HDF3 replacement diaphragm\u003c\/strong\u003e without\n  confusing pump construction with diaphragm material.\n\u003c\/p\u003e\n\n\u003ch3\u003eKey Specifications \u0026amp; Compatibility\u003c\/h3\u003e\n\n\u003cdiv class=\"sp-spec-box\"\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Sandpiper\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompatible Pump Model:\u003c\/strong\u003e HDF3\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePump Type:\u003c\/strong\u003e Heavy Duty Flap Valve AODD Pump\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNominal Pump Size:\u003c\/strong\u003e 3\" \/ 80 mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePump Wetted Constructions:\u003c\/strong\u003e Aluminium, Cast Iron and Stainless Steel\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAluminium \/ Stainless Steel Diaphragm Materials:\u003c\/strong\u003e Santoprene, Urethane, Nitrile and Neoprene\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCast Iron Diaphragm Materials:\u003c\/strong\u003e Santoprene, Nitrile and Neoprene\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePart Number Families:\u003c\/strong\u003e 286.018 for Aluminium \/ Stainless Steel and 286.098 for Cast Iron\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInstallation Dimensions:\u003c\/strong\u003e Refer to the applicable construction-specific Sandpiper specification sheet\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\n\u003ch3\u003eHDF3 Diaphragm Construction \u0026amp; Part Number Comparison\u003c\/h3\u003e\n\n\u003cdiv class=\"sp-table-wrap\"\u003e\n\u003ctable class=\"sp-spec-table\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n  \u003cth\u003ePump Wetted Construction\u003c\/th\u003e\n  \u003cth\u003eCurrent Design Level\u003c\/th\u003e\n  \u003cth\u003eDiaphragm Material\u003c\/th\u003e\n  \u003cth\u003eManufacturer Part Number\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\n\u003ctr\u003e\n  \u003ctd\u003eAluminium\u003c\/td\u003e\n  \u003ctd\u003e7\u003c\/td\u003e\n  \u003ctd\u003eSantoprene\u003c\/td\u003e\n  \u003ctd\u003e\u003cstrong\u003e286.018.354\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n  \u003ctd\u003eAluminium\u003c\/td\u003e\n  \u003ctd\u003e7\u003c\/td\u003e\n  \u003ctd\u003eUrethane\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"SANDPIPER","offers":[{"title":"Aluminium?Stainless Steel \/ Santoprene","offer_id":52985018712245,"sku":"286.018.354","price":0.0,"currency_code":"MYR","in_stock":true},{"title":"Aluminium?Stainless Steel \/ Urethane","offer_id":52985018745013,"sku":"286.018.357","price":0.0,"currency_code":"MYR","in_stock":true},{"title":"Aluminium?Stainless Steel \/ Nitrile\/Buna","offer_id":52985018777781,"sku":"286.018.360","price":0.0,"currency_code":"MYR","in_stock":true},{"title":"Aluminium?Stainless Steel \/ Neoprene","offer_id":52985018810549,"sku":"286.018.365","price":0.0,"currency_code":"MYR","in_stock":true},{"title":"Cast Iron \/ Santoprene","offer_id":52985018843317,"sku":"286.098.354","price":0.0,"currency_code":"MYR","in_stock":true},{"title":"Cast Iron \/ Urethane","offer_id":52985018876085,"sku":null,"price":0.0,"currency_code":"MYR","in_stock":true},{"title":"Cast Iron \/ Nitrile\/Buna","offer_id":52985018908853,"sku":"286.098.360","price":0.0,"currency_code":"MYR","in_stock":true},{"title":"Cast Iron \/ Neoprene","offer_id":52985018941621,"sku":"286.098.365","price":0.0,"currency_code":"MYR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0696\/6168\/7989\/files\/18828594-0b1f-46fa-937b-91e8133bb63a_c4248b33-d5e6-4e00-95d7-939c59188ac7.png?v=1790049910"},{"product_id":"sandpiper-hdf4-4-heavy-duty-flap-valve-aodd-pump-diaphragm-for-metallic-pumps","title":"Sandpiper HDF4 4\" Heavy Duty Flap Valve AODD Pump Diaphragm for Metallic Pumps","description":"\u003cdiv class=\"sp-diaphragm-desc\"\u003e\n\n\u003cstyle\u003e\n.sp-diaphragm-desc{\n  --sp-blue:#1e3a8a;--sp-blue-light:#eef2ff;--sp-blue-soft:#f7f9ff;\n  --sp-text:#2b2f38;--sp-muted:#626977;--sp-border:#e1e5ec;--sp-white:#ffffff;\n  max-width:1100px;margin:0 auto;font-family:Arial,Helvetica,sans-serif;\n  color:var(--sp-text);line-height:1.65;\n}\n.sp-diaphragm-desc *{box-sizing:border-box;}\n.sp-diaphragm-desc h2{color:var(--sp-blue);font-size:25px;line-height:1.3;margin:36px 0 12px;}\n.sp-diaphragm-desc h3{color:var(--sp-blue);font-size:20px;margin:30px 0 14px;}\n.sp-diaphragm-desc p{font-size:15px;margin:0 0 15px;}\n.sp-diaphragm-desc ul{padding-left:21px;font-size:15px;}\n.sp-diaphragm-desc li{margin-bottom:8px;}\n.sp-atomic-answer{font-size:16px!important;color:var(--sp-text);background:var(--sp-blue-soft);border-left:4px solid var(--sp-blue);padding:18px 20px;border-radius:0 8px 8px 0;margin:0 0 25px!important;}\n.sp-spec-box{background:#fff;border:1px solid var(--sp-border);border-radius:10px;padding:20px 24px;margin:15px 0 30px;}\n.sp-table-wrap{overflow-x:auto;border:1px solid var(--sp-border);border-radius:10px;margin:18px 0 30px;}\n.sp-spec-table{width:100%;border-collapse:collapse;min-width:700px;font-size:14px;}\n.sp-spec-table th{background:var(--sp-blue);color:#fff;text-align:left;padding:12px 14px;}\n.sp-spec-table td{padding:13px 14px;border-bottom:1px solid var(--sp-border);vertical-align:top;}\n.sp-spec-table tr:nth-child(even) td{background:#f8f9fc;}\n.sp-app-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:15px;margin:18px 0 30px;}\n.sp-app-card{border:1px solid var(--sp-border);border-radius:10px;padding:18px;background:#fff;}\n.sp-app-card strong{display:block;color:var(--sp-blue);margin-bottom:6px;}\n.sp-app-card p{font-size:14px;color:var(--sp-muted);margin:0;}\n.sp-note{background:var(--sp-blue-soft);border-left:4px solid var(--sp-blue);padding:16px 18px;border-radius:0 8px 8px 0;font-size:14px;margin:20px 0 30px;}\n.sp-help-banner{background:var(--sp-blue);color:#fff;border-radius:12px;padding:27px 30px;margin-top:35px;display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap;}\n.sp-help-banner h3{color:#fff;margin:0 0 7px;font-size:20px;}\n.sp-help-banner p{color:#e4e9f8;margin:0;max-width:650px;font-size:14px;}\n.sp-cta-links{display:flex;gap:10px;flex-wrap:wrap;}\n.sp-cta-links a{background:#fff;color:var(--sp-blue);text-decoration:none;font-size:14px;font-weight:700;padding:11px 20px;border-radius:25px;}\n@media(max-width:760px){.sp-diaphragm-desc h2{font-size:22px;}.sp-cta-links{width:100%;}.sp-cta-links a{width:100%;text-align:center;}}\n\u003c\/style\u003e\n\n\u003ch2\u003eSandpiper HDF4 Diaphragm Product Overview\u003c\/h2\u003e\n\n\u003cp class=\"sp-atomic-answer\"\u003e\n  The Sandpiper HDF4 diaphragm is a genuine replacement wear\n  component for 4-inch Heavy Duty Flap Valve AODD pumps. Buyers\n  should identify the pump's aluminium, cast-iron or stainless-steel\n  wetted construction before selecting the required diaphragm\n  material and manufacturer part number.\n\u003c\/p\u003e\n\n\u003cp\u003e\n  Correct \u003cstrong\u003eSandpiper HDF4 diaphragm\u003c\/strong\u003e selection is\n  construction-specific. A diaphragm with the same material name\n  may use a different manufacturer part number on a cast-iron\n  pump compared with aluminium or stainless-steel versions.\n\u003c\/p\u003e\n\n\u003ch3\u003eKey Specifications \u0026amp; Compatibility\u003c\/h3\u003e\n\n\u003cdiv class=\"sp-spec-box\"\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Sandpiper\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompatible Pump Model:\u003c\/strong\u003e HDF4\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePump Type:\u003c\/strong\u003e Heavy Duty Flap Valve AODD Pump\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNominal Pump Size:\u003c\/strong\u003e 4\" \/ 100 mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePump Wetted Constructions:\u003c\/strong\u003e Aluminium, Cast Iron and Stainless Steel\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAluminium \/ Stainless Steel Diaphragm Materials:\u003c\/strong\u003e Santoprene, Urethane, Nitrile and Neoprene\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCast Iron Diaphragm Materials:\u003c\/strong\u003e Santoprene, Nitrile and Neoprene\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePart Number Families:\u003c\/strong\u003e 286.018 and 286.098\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInstallation Dimensions:\u003c\/strong\u003e Verify against the applicable construction-specific Sandpiper data sheet\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\n\u003ch3\u003eHDF4 Diaphragm Construction \u0026amp; Part Number Comparison\u003c\/h3\u003e\n\n\u003cdiv class=\"sp-table-wrap\"\u003e\n\u003ctable class=\"sp-spec-table\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n  \u003cth\u003ePump Wetted Construction\u003c\/th\u003e\n  \u003cth\u003eCurrent Design Level\u003c\/th\u003e\n  \u003cth\u003eDiaphragm Material\u003c\/th\u003e\n  \u003cth\u003eManufacturer Part Number\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eAluminium\u003c\/td\u003e\n\u003ctd\u003e3\u003c\/td\u003e\n\u003ctd\u003eSantoprene\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e286.018.354\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAluminium\u003c\/td\u003e\n\u003ctd\u003e3\u003c\/td\u003e\n\u003ctd\u003eUrethane\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e286.018.357\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAluminium\u003c\/td\u003e\n\u003ctd\u003e3\u003c\/td\u003e\n\u003ctd\u003eNitrile\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e286.018.360\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAluminium\u003c\/td\u003e\n\u003ctd\u003e3\u003c\/td\u003e\n\u003ctd\u003eNeoprene\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e286.018.365\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eCast Iron\u003c\/td\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003ctd\u003eSantoprene\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e286.098.354\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCast Iron\u003c\/td\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003ctd\u003eNitrile\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e286.098.360\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCast Iron\u003c\/td\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003ctd\u003eNeoprene\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e286.098.365\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eStainless Steel\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003ctd\u003eSantoprene\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e286.018.354\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStainless Steel\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003ctd\u003eUrethane\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e286.018.357\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStainless Steel\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003ctd\u003eNitrile\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e286.018.360\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStainless Steel\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003ctd\u003eNeoprene\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e286.018.365\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"sp-note\"\u003e\n  \u003cstrong\u003eImportant:\u003c\/strong\u003e\n  Confirm the complete HDF4 model, pump wetted construction,\n  design level and existing diaphragm part number. Construction-specific\n  dimensional and flange information should be checked against the\n  applicable manufacturer data sheet.\n\u003c\/div\u003e\n\n\u003ch2\u003eCommon Industrial Applications \u0026amp; Use Cases\u003c\/h2\u003e\n\n\u003cp\u003e\n  Sandpiper HDF4 Heavy Duty Flap Valve pumps are used for\n  challenging solids-handling services where wet-end components\n  may require planned inspection and replacement.\n\u003c\/p\u003e\n\n\u003cdiv class=\"sp-app-grid\"\u003e\n\n  \u003cdiv class=\"sp-app-card\"\u003e\n    \u003cstrong\u003eMine Dewatering\u003c\/strong\u003e\n    \u003cp\u003eReplacement diaphragm support for large Heavy Duty Flap pumps used in dewatering service.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"sp-app-card\"\u003e\n    \u003cstrong\u003eIndustrial Sumps\u003c\/strong\u003e\n    \u003cp\u003eMaintenance of HDF4 pumps handling solids-containing sump liquids.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"sp-app-card\"\u003e\n    \u003cstrong\u003eAbrasive Slurries\u003c\/strong\u003e\n    \u003cp\u003eWet-end replacement requirements in abrasive and slurry-transfer duties.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"sp-app-card\"\u003e\n    \u003cstrong\u003eLarge Solids Handling\u003c\/strong\u003e\n    \u003cp\u003eMaintenance applications where the HDF4 flap-valve design is used for solids-containing fluids.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n\u003c\/div\u003e\n\n\u003cdiv class=\"sp-note\"\u003e\n  \u003cstrong\u003eNeed dimensional information?\u003c\/strong\u003e\n  Because HDF4 construction-specific manuals contain different\n  dimensional details, verify the exact construction before using\n  dimensions for installation or replacement planning.\n\u003c\/div\u003e\n\n\u003cdiv class=\"sp-help-banner\"\u003e\n  \u003cdiv\u003e\n    \u003ch3\u003eNeed Help Identifying Your HDF4 Diaphragm?\u003c\/h3\u003e\n    \u003cp\u003e\n      Provide your pump model, construction, design level, current\n      part number and process details. ABS Engineering can assist\n      with genuine Sandpiper part selection and the current\n      construction-specific specification sheet.\n    \u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"sp-cta-links\"\u003e\n    \u003ca href=\"\/pages\/contact\"\u003eRequest a Quote\u003c\/a\u003e\n    \u003ca href=\"\/pages\/contact\"\u003eRequest Spec Sheet\u003c\/a\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"SANDPIPER","offers":[{"title":"Santoprene \/ Aluminium\/Stainless Steel","offer_id":52984880627893,"sku":"286.018.354","price":0.0,"currency_code":"MYR","in_stock":true},{"title":"Santoprene \/ Cast Iron","offer_id":52984880660661,"sku":"286.098.354","price":0.0,"currency_code":"MYR","in_stock":true},{"title":"Urethane \/ Aluminium\/Stainless Steel","offer_id":52984880693429,"sku":"286.018.357","price":0.0,"currency_code":"MYR","in_stock":true},{"title":"Nitrile\/Buna \/ Aluminium\/Stainless Steel","offer_id":52984880726197,"sku":"286.018.360","price":0.0,"currency_code":"MYR","in_stock":true},{"title":"Nitrile\/Buna \/ Cast Iron","offer_id":52984880758965,"sku":"286.098.360","price":0.0,"currency_code":"MYR","in_stock":true},{"title":"Neoprene \/ Aluminium\/Stainless Steel","offer_id":52984880791733,"sku":"286.018.365","price":0.0,"currency_code":"MYR","in_stock":true},{"title":"Neoprene \/ Cast Iron","offer_id":52984880824501,"sku":"286.098.365","price":0.0,"currency_code":"MYR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0696\/6168\/7989\/files\/18828594-0b1f-46fa-937b-91e8133bb63a_c4248b33-d5e6-4e00-95d7-939c59188ac7.png?v=1790049910"},{"product_id":"sandpiper-spb40-beast-heavy-duty-flap-valve-diaphragm","title":"Sandpiper SPB40 BEAST 4\" Heavy Duty Flap Valve AODD Pump Diaphragm for Metallic Pumps","description":"\u003cdiv class=\"sp-diaphragm-desc\"\u003e\n\n\u003cstyle\u003e\n.sp-diaphragm-desc{\n  --sp-blue:#1e3a8a;--sp-blue-light:#eef2ff;--sp-blue-soft:#f7f9ff;\n  --sp-text:#2b2f38;--sp-muted:#626977;--sp-border:#e1e5ec;--sp-white:#ffffff;\n  max-width:1100px;margin:0 auto;font-family:Arial,Helvetica,sans-serif;\n  color:var(--sp-text);line-height:1.65;\n}\n.sp-diaphragm-desc *{box-sizing:border-box;}\n.sp-diaphragm-desc h2{color:var(--sp-blue);font-size:25px;line-height:1.3;margin:36px 0 12px;}\n.sp-diaphragm-desc h3{color:var(--sp-blue);font-size:20px;margin:30px 0 14px;}\n.sp-diaphragm-desc p{font-size:15px;margin:0 0 15px;}\n.sp-diaphragm-desc ul{padding-left:21px;font-size:15px;}\n.sp-diaphragm-desc li{margin-bottom:8px;}\n.sp-atomic-answer{font-size:16px!important;background:var(--sp-blue-soft);border-left:4px solid var(--sp-blue);padding:18px 20px;border-radius:0 8px 8px 0;margin:0 0 25px!important;}\n.sp-spec-box{background:#fff;border:1px solid var(--sp-border);border-radius:10px;padding:20px 24px;margin:15px 0 30px;}\n.sp-table-wrap{overflow-x:auto;border:1px solid var(--sp-border);border-radius:10px;margin:18px 0 30px;}\n.sp-spec-table{width:100%;border-collapse:collapse;min-width:700px;font-size:14px;}\n.sp-spec-table th{background:var(--sp-blue);color:#fff;text-align:left;padding:12px 14px;}\n.sp-spec-table td{padding:13px 14px;border-bottom:1px solid var(--sp-border);vertical-align:top;}\n.sp-spec-table tr:nth-child(even) td{background:#f8f9fc;}\n.sp-app-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:15px;margin:18px 0 30px;}\n.sp-app-card{border:1px solid var(--sp-border);border-radius:10px;padding:18px;background:#fff;}\n.sp-app-card strong{display:block;color:var(--sp-blue);margin-bottom:6px;}\n.sp-app-card p{font-size:14px;color:var(--sp-muted);margin:0;}\n.sp-note{background:var(--sp-blue-soft);border-left:4px solid var(--sp-blue);padding:16px 18px;border-radius:0 8px 8px 0;font-size:14px;margin:20px 0 30px;}\n.sp-help-banner{background:var(--sp-blue);color:#fff;border-radius:12px;padding:27px 30px;margin-top:35px;display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap;}\n.sp-help-banner h3{color:#fff;margin:0 0 7px;font-size:20px;}\n.sp-help-banner p{color:#e4e9f8;margin:0;max-width:650px;font-size:14px;}\n.sp-cta-links{display:flex;gap:10px;flex-wrap:wrap;}\n.sp-cta-links a{background:#fff;color:var(--sp-blue);text-decoration:none;font-size:14px;font-weight:700;padding:11px 20px;border-radius:25px;}\n@media(max-width:760px){.sp-diaphragm-desc h2{font-size:22px;}.sp-cta-links{width:100%;}.sp-cta-links a{width:100%;text-align:center;}}\n\u003c\/style\u003e\n\n\u003ch2\u003eSandpiper SPB40 BEAST Diaphragm Product Overview\u003c\/h2\u003e\n\n\u003cp class=\"sp-atomic-answer\"\u003e\n  The Sandpiper SPB40 BEAST diaphragm is a genuine replacement\n  component for 4-inch Heavy Duty Flap Valve AODD pumps. Correct\n  part selection requires confirmation of the pump's aluminium,\n  cast-iron or stainless-steel wetted construction followed by\n  selection of the appropriate diaphragm material.\n\u003c\/p\u003e\n\n\u003cp\u003e\n  This consolidated \u003cstrong\u003eSPB40 BEAST diaphragm\u003c\/strong\u003e page\n  allows industrial buyers to identify the pump construction first\n  and then select the required replacement diaphragm without\n  creating separate product pages for every metallic construction.\n\u003c\/p\u003e\n\n\u003ch3\u003eKey Specifications \u0026amp; Compatibility\u003c\/h3\u003e\n\n\u003cdiv class=\"sp-spec-box\"\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Sandpiper\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompatible Pump Model:\u003c\/strong\u003e SPB40 BEAST\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePump Type:\u003c\/strong\u003e Clog-Resistant Heavy Duty Flap Valve AODD Pump\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNominal Pump Size:\u003c\/strong\u003e 4\" \/ 100 mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePump Wetted Constructions:\u003c\/strong\u003e Aluminium, Cast Iron and Stainless Steel\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAluminium \/ Stainless Steel Diaphragm Materials:\u003c\/strong\u003e Santoprene, Urethane, Nitrile and Neoprene\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCast Iron Diaphragm Materials:\u003c\/strong\u003e Santoprene, Nitrile and Neoprene\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCurrent Design Level:\u003c\/strong\u003e Design Level 1\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInstallation Dimensions:\u003c\/strong\u003e Refer to the current construction-specific Sandpiper specification sheet\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\n\u003ch3\u003eSPB40 BEAST Diaphragm Construction \u0026amp; Part Number Comparison\u003c\/h3\u003e\n\n\u003cdiv class=\"sp-table-wrap\"\u003e\n\u003ctable class=\"sp-spec-table\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n  \u003cth\u003ePump Wetted Construction\u003c\/th\u003e\n  \u003cth\u003eDesign Level\u003c\/th\u003e\n  \u003cth\u003eDiaphragm Material\u003c\/th\u003e\n  \u003cth\u003eManufacturer Part Number\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eAluminium\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003ctd\u003eSantoprene\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e286.018.354\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAluminium\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003ctd\u003eUrethane\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e286.018.357\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAluminium\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003ctd\u003eNitrile\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e286.018.360\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAluminium\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003ctd\u003eNeoprene\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e286.018.365\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eCast Iron\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003ctd\u003eSantoprene\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e286.098.354\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCast Iron\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003ctd\u003eNitrile\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e286.098.360\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCast Iron\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003ctd\u003eNeoprene\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e286.098.365\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eStainless Steel\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003ctd\u003eSantoprene\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e286.018.354\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStainless Steel\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003ctd\u003eUrethane\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e286.018.357\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStainless Steel\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003ctd\u003eNitrile\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e286.018.360\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStainless Steel\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003ctd\u003eNeoprene\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e286.018.365\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"sp-note\"\u003e\n  \u003cstrong\u003eImportant:\u003c\/strong\u003e\n  Select the SPB40 diaphragm using both pump wetted construction\n  and diaphragm material. Confirm the existing manufacturer part\n  number where possible before placing an order.\n\u003c\/div\u003e\n\n\u003ch2\u003eCommon Industrial Applications \u0026amp; Use Cases\u003c\/h2\u003e\n\n\u003cp\u003e\n  SPB40 BEAST pumps are designed for demanding solids-containing\n  and difficult-to-pump fluids. Genuine diaphragm replacement may\n  be required as part of preventive or corrective maintenance in:\n\u003c\/p\u003e\n\n\u003cdiv class=\"sp-app-grid\"\u003e\n\n  \u003cdiv class=\"sp-app-card\"\u003e\n    \u003cstrong\u003eLarge Solids Transfer\u003c\/strong\u003e\n    \u003cp\u003eMaintenance support for heavy-duty pumping duties involving solids-containing process streams.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"sp-app-card\"\u003e\n    \u003cstrong\u003ePackable Material Handling\u003c\/strong\u003e\n    \u003cp\u003eReplacement diaphragm requirements for demanding applications involving materials prone to accumulation.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"sp-app-card\"\u003e\n    \u003cstrong\u003eAbrasive \u0026amp; Viscous Fluids\u003c\/strong\u003e\n    \u003cp\u003eWet-end servicing for pumps transferring abrasive slurry and higher-viscosity materials.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"sp-app-card\"\u003e\n    \u003cstrong\u003eCompatible Chemical Service\u003c\/strong\u003e\n    \u003cp\u003eReplacement support for applications involving chemicals after construction and diaphragm compatibility are verified.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n\u003c\/div\u003e\n\n\u003cdiv class=\"sp-note\"\u003e\n  \u003cstrong\u003eMaterial Selection:\u003c\/strong\u003e\n  Always confirm diaphragm compatibility with the actual process\n  fluid and operating conditions. Do not assume every listed\n  diaphragm material is suitable for every SPB40 application.\n\u003c\/div\u003e\n\n\u003cdiv class=\"sp-help-banner\"\u003e\n  \u003cdiv\u003e\n    \u003ch3\u003eNeed Help Selecting an SPB40 BEAST Diaphragm?\u003c\/h3\u003e\n    \u003cp\u003e\n      Send ABS Engineering your SPB40 pump construction, design\n      level, existing diaphragm number and application details.\n      Our team can assist with genuine part identification and\n      provide the current manufacturer specification sheet.\n    \u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"sp-cta-links\"\u003e\n    \u003ca href=\"\/pages\/contact\"\u003eRequest a Quote\u003c\/a\u003e\n    \u003ca href=\"\/pages\/contact\"\u003eRequest Spec Sheet\u003c\/a\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"SANDPIPER","offers":[{"title":"Aluminium\/ Stainless Steel \/ Santoprene","offer_id":52984905203893,"sku":"286.018.354","price":0.0,"currency_code":"MYR","in_stock":true},{"title":"Aluminium\/ Stainless Steel \/ Urethane","offer_id":52984905236661,"sku":"286.018.357","price":0.0,"currency_code":"MYR","in_stock":true},{"title":"Aluminium\/ Stainless Steel \/ Nitrile\/Buna","offer_id":52984905269429,"sku":"286.018.360","price":0.0,"currency_code":"MYR","in_stock":true},{"title":"Aluminium\/ Stainless Steel \/ Neoprene","offer_id":52984905302197,"sku":"286.018.365","price":0.0,"currency_code":"MYR","in_stock":true},{"title":"Cast Iron \/ Santoprene","offer_id":52984905334965,"sku":"286.018.354","price":0.0,"currency_code":"MYR","in_stock":true},{"title":"Cast Iron \/ Nitrile\/Buna","offer_id":52984905400501,"sku":"286.098.360","price":0.0,"currency_code":"MYR","in_stock":true},{"title":"Cast Iron \/ Neoprene","offer_id":52984905433269,"sku":"286.098.365","price":0.0,"currency_code":"MYR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0696\/6168\/7989\/files\/18828594-0b1f-46fa-937b-91e8133bb63a_c4248b33-d5e6-4e00-95d7-939c59188ac7.png?v=1790049910"},{"product_id":"sandpiper-spb30-beast-3-heavy-duty-flap-valve-aodd-pump-diaphragm-for-metallic-pumps","title":"Sandpiper SPB30 BEAST 3\" Heavy Duty Flap Valve AODD Pump Diaphragm for Metallic Pumps","description":"\u003cdiv class=\"sp-diaphragm-desc\"\u003e\n\n\u003cstyle\u003e\n.sp-diaphragm-desc{\n  --sp-blue:#1e3a8a;--sp-blue-light:#eef2ff;--sp-blue-soft:#f7f9ff;\n  --sp-text:#2b2f38;--sp-muted:#626977;--sp-border:#e1e5ec;--sp-white:#ffffff;\n  max-width:1100px;margin:0 auto;font-family:Arial,Helvetica,sans-serif;\n  color:var(--sp-text);line-height:1.65;\n}\n.sp-diaphragm-desc *{box-sizing:border-box;}\n.sp-diaphragm-desc h2{color:var(--sp-blue);font-size:25px;line-height:1.3;margin:36px 0 12px;}\n.sp-diaphragm-desc h3{color:var(--sp-blue);font-size:20px;margin:30px 0 14px;}\n.sp-diaphragm-desc p{font-size:15px;margin:0 0 15px;}\n.sp-diaphragm-desc ul{padding-left:21px;font-size:15px;}\n.sp-diaphragm-desc li{margin-bottom:8px;}\n.sp-atomic-answer{font-size:16px!important;background:var(--sp-blue-soft);border-left:4px solid var(--sp-blue);padding:18px 20px;border-radius:0 8px 8px 0;margin:0 0 25px!important;}\n.sp-spec-box{background:#fff;border:1px solid var(--sp-border);border-radius:10px;padding:20px 24px;margin:15px 0 30px;}\n.sp-table-wrap{overflow-x:auto;border:1px solid var(--sp-border);border-radius:10px;margin:18px 0 30px;}\n.sp-spec-table{width:100%;border-collapse:collapse;min-width:700px;font-size:14px;}\n.sp-spec-table th{background:var(--sp-blue);color:#fff;text-align:left;padding:12px 14px;}\n.sp-spec-table td{padding:13px 14px;border-bottom:1px solid var(--sp-border);vertical-align:top;}\n.sp-spec-table tr:nth-child(even) td{background:#f8f9fc;}\n.sp-app-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:15px;margin:18px 0 30px;}\n.sp-app-card{border:1px solid var(--sp-border);border-radius:10px;padding:18px;background:#fff;}\n.sp-app-card strong{display:block;color:var(--sp-blue);margin-bottom:6px;}\n.sp-app-card p{font-size:14px;color:var(--sp-muted);margin:0;}\n.sp-note{background:var(--sp-blue-soft);border-left:4px solid var(--sp-blue);padding:16px 18px;border-radius:0 8px 8px 0;font-size:14px;margin:20px 0 30px;}\n.sp-help-banner{background:var(--sp-blue);color:#fff;border-radius:12px;padding:27px 30px;margin-top:35px;display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap;}\n.sp-help-banner h3{color:#fff;margin:0 0 7px;font-size:20px;}\n.sp-help-banner p{color:#e4e9f8;margin:0;max-width:650px;font-size:14px;}\n.sp-cta-links{display:flex;gap:10px;flex-wrap:wrap;}\n.sp-cta-links a{background:#fff;color:var(--sp-blue);text-decoration:none;font-size:14px;font-weight:700;padding:11px 20px;border-radius:25px;}\n@media(max-width:760px){.sp-diaphragm-desc h2{font-size:22px;}.sp-cta-links{width:100%;}.sp-cta-links a{width:100%;text-align:center;}}\n\u003c\/style\u003e\n\n\u003ch2\u003eSandpiper SPB30 BEAST Diaphragm Product Overview\u003c\/h2\u003e\n\n\u003cp class=\"sp-atomic-answer\"\u003e\n  The Sandpiper SPB30 BEAST diaphragm is a genuine replacement\n  component for 3-inch Heavy Duty Flap Valve AODD pumps. Select\n  the correct part by confirming whether the pump has aluminium,\n  cast-iron or stainless-steel wetted construction and then\n  matching the required diaphragm material.\n\u003c\/p\u003e\n\n\u003cp\u003e\n  SPB30 BEAST diaphragm part numbers are construction-specific.\n  This page groups the compatible genuine diaphragms under one\n  model so industrial buyers can select the pump construction\n  first and then the required diaphragm material.\n\u003c\/p\u003e\n\n\u003ch3\u003eKey Specifications \u0026amp; Compatibility\u003c\/h3\u003e\n\n\u003cdiv class=\"sp-spec-box\"\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Sandpiper\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompatible Pump Model:\u003c\/strong\u003e SPB30 BEAST\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePump Type:\u003c\/strong\u003e Clog-Resistant Heavy Duty Flap Valve AODD Pump\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNominal Pump Size:\u003c\/strong\u003e 3\" \/ 75 mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePump Wetted Constructions:\u003c\/strong\u003e Aluminium, Cast Iron and Stainless Steel\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAluminium \/ Stainless Steel Diaphragm Materials:\u003c\/strong\u003e Santoprene, Urethane, Nitrile and Neoprene\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCast Iron Diaphragm Materials:\u003c\/strong\u003e Santoprene, Nitrile and Neoprene\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCurrent Design Level:\u003c\/strong\u003e Design Level 1\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInstallation Dimensions:\u003c\/strong\u003e Refer to the applicable SPB30 construction-specific specification sheet\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\n\u003ch3\u003eSPB30 BEAST Diaphragm Construction \u0026amp; Part Number Comparison\u003c\/h3\u003e\n\n\u003cdiv class=\"sp-table-wrap\"\u003e\n\u003ctable class=\"sp-spec-table\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n  \u003cth\u003ePump Wetted Construction\u003c\/th\u003e\n  \u003cth\u003eDesign Level\u003c\/th\u003e\n  \u003cth\u003eDiaphragm Material\u003c\/th\u003e\n  \u003cth\u003eManufacturer Part Number\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eAluminium\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003ctd\u003eSantoprene\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e286.018.354\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAluminium\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003ctd\u003eUrethane\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e286.018.357\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAluminium\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003ctd\u003eNitrile\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e286.018.360\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAluminium\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003ctd\u003eNeoprene\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e286.018.365\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eCast Iron\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003ctd\u003eSantoprene\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e286.098.354\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCast Iron\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003ctd\u003eNitrile\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e286.098.360\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCast Iron\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003ctd\u003eNeoprene\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e286.098.365\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eStainless Steel\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003ctd\u003eSantoprene\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e286.018.354\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStainless Steel\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003ctd\u003eUrethane\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e286.018.357\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStainless Steel\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003ctd\u003eNitrile\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e286.018.360\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStainless Steel\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003ctd\u003eNeoprene\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e286.018.365\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"sp-note\"\u003e\n  \u003cstrong\u003eImportant:\u003c\/strong\u003e\n  Confirm the SPB30 pump wetted construction before selecting\n  the diaphragm SKU. Some diaphragm materials use different part\n  numbers on cast-iron pumps.\n\u003c\/div\u003e\n\n\u003ch2\u003eCommon Industrial Applications \u0026amp; Use Cases\u003c\/h2\u003e\n\n\u003cp\u003e\n  The SPB30 BEAST is designed for demanding fluids containing\n  solids and other difficult-to-pump materials. Typical diaphragm\n  replacement requirements arise during maintenance in:\n\u003c\/p\u003e\n\n\u003cdiv class=\"sp-app-grid\"\u003e\n\n  \u003cdiv class=\"sp-app-card\"\u003e\n    \u003cstrong\u003eSolids-Containing Fluids\u003c\/strong\u003e\n    \u003cp\u003eMaintenance of pumps handling both smaller and larger solid material.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"sp-app-card\"\u003e\n    \u003cstrong\u003ePackable Materials\u003c\/strong\u003e\n    \u003cp\u003eReplacement-part support for demanding services where solids may otherwise accumulate.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"sp-app-card\"\u003e\n    \u003cstrong\u003eAbrasive \u0026amp; Viscous Fluids\u003c\/strong\u003e\n    \u003cp\u003eWet-end maintenance for pumps transferring abrasive slurries or higher-viscosity fluids.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"sp-app-card\"\u003e\n    \u003cstrong\u003eChemical Process Fluids\u003c\/strong\u003e\n    \u003cp\u003eApplications involving compatible chemicals where pump and diaphragm material selection has been verified.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n\u003c\/div\u003e\n\n\u003cdiv class=\"sp-note\"\u003e\n  \u003cstrong\u003eChemical Compatibility:\u003c\/strong\u003e\n  Do not select a diaphragm material from application name alone.\n  Pumped fluid, concentration, temperature and operating conditions\n  must be considered when confirming material compatibility.\n\u003c\/div\u003e\n\n\u003cdiv class=\"sp-help-banner\"\u003e\n  \u003cdiv\u003e\n    \u003ch3\u003eNeed the Correct SPB30 BEAST Diaphragm?\u003c\/h3\u003e\n    \u003cp\u003e\n      Send ABS Engineering your SPB30 pump construction, existing\n      diaphragm part number and process details. Our team can help\n      identify the correct genuine replacement part and provide the\n      current manufacturer specification sheet.\n    \u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"sp-cta-links\"\u003e\n    \u003ca href=\"\/pages\/contact\"\u003eRequest a Quote\u003c\/a\u003e\n    \u003ca href=\"\/pages\/contact\"\u003eRequest Spec Sheet\u003c\/a\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"SANDPIPER","offers":[{"title":"Aluminium\/Stainless Steel \/ Santoprene","offer_id":52984921653429,"sku":"286.018.354","price":0.0,"currency_code":"MYR","in_stock":true},{"title":"Aluminium\/Stainless Steel \/ Urethane","offer_id":52984921686197,"sku":"286.018.357","price":0.0,"currency_code":"MYR","in_stock":true},{"title":"Aluminium\/Stainless Steel \/ Nitrile\/Buna","offer_id":52984921718965,"sku":"286.018.360","price":0.0,"currency_code":"MYR","in_stock":true},{"title":"Aluminium\/Stainless Steel \/ Neoprene","offer_id":52984921751733,"sku":"286.018.365","price":0.0,"currency_code":"MYR","in_stock":true},{"title":"Cast Iron \/ Santoprene","offer_id":52984921784501,"sku":"286.098.354","price":0.0,"currency_code":"MYR","in_stock":true},{"title":"Cast Iron \/ Nitrile\/Buna","offer_id":52984921817269,"sku":"286.098.360","price":0.0,"currency_code":"MYR","in_stock":true},{"title":"Cast Iron \/ Neoprene","offer_id":52984921850037,"sku":"286.098.365","price":0.0,"currency_code":"MYR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0696\/6168\/7989\/files\/18828594-0b1f-46fa-937b-91e8133bb63a_c4248b33-d5e6-4e00-95d7-939c59188ac7.png?v=1790049910"}],"url":"https:\/\/store.abset.com\/collections\/sandpiper-heavy-duty-flap-valve-diaphragms.oembed","provider":"ABS Engineering \u0026 Trading Sdn Bhd","version":"1.0","type":"link"}