{"product_id":"sandpiper-hdf2-2-50mm-heavy-duty-flap-valve-aodd-pump","title":"SANDPIPER HDF2 2\" (50mm) Heavy-Duty Flap Valve AODD Pump","description":"\u003cdiv style=\"font-family: Arial, sans-serif; color: #1f2937; line-height: 1.6;\"\u003e\n\u003cdiv style=\"display: grid; grid-template-columns: 2fr 1fr; gap: 30px; align-items: start;\"\u003e\n\u003cdiv\u003e\n\u003ch2 style=\"color: #263879; margin-bottom: 12px;\"\u003eProduct Overview\u003c\/h2\u003e\n\u003cp\u003eThe Sandpiper HDF2 2\" (50mm) Heavy-Duty Flap Valve AODD Pump is designed for demanding sump applications, mine dewatering, abrasive slurry transfer, and liquid applications involving solids. This metallic air operated double diaphragm pump is recommended for abrasive slurries, suspended and non-suspended solids, and line-size solids.\u003c\/p\u003e\n\u003cp\u003eBuilt with heavy-duty flap valve technology and bottom discharge porting, the HDF2 helps prevent settling solids from shortening pump life while providing strong suction lift performance. It is constructed with thick-wall sand-casted aluminum, cast iron, and stainless steel options, with elastomer and TPE diaphragm and check valve materials.\u003c\/p\u003e\n\u003cp\u003eAs part of the Sandpiper Evolution portfolio improvement, the HDF2 has been optimized for improved performance, delivering up to 208 GPM (787 LPM) capacity and solids handling up to 2\" (50mm).\u003c\/p\u003e\n\u003ch3 style=\"color: #263879; margin-top: 28px;\"\u003eKey Benefits\u003c\/h3\u003e\n\u003cul style=\"padding-left: 20px;\"\u003e\n\u003cli\u003eHeavy-duty flap valve design for abrasive slurry and solids handling\u003c\/li\u003e\n\u003cli\u003eHandles line-size solids up to 2\" (50mm)\u003c\/li\u003e\n\u003cli\u003eBottom discharge porting helps reduce solids settling inside the pump\u003c\/li\u003e\n\u003cli\u003eMaximum flow rate up to 208 GPM (787 LPM)\u003c\/li\u003e\n\u003cli\u003eStrong suction lift performance up to 24 ft\u003c\/li\u003e\n\u003cli\u003eNo-lube, no-stall ESADS+ air distribution system\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #f7f9fc; padding: 24px; border-radius: 14px;\"\u003e\n\u003ch3 style=\"color: #263879; margin-top: 0;\"\u003eIdeal For\u003c\/h3\u003e\n\u003cul style=\"padding-left: 20px; margin-bottom: 0;\"\u003e\n\u003cli\u003eSump Applications\u003c\/li\u003e\n\u003cli\u003eMine Dewatering\u003c\/li\u003e\n\u003cli\u003eAbrasive Slurry Transfer\u003c\/li\u003e\n\u003cli\u003eSuspended Solids Handling\u003c\/li\u003e\n\u003cli\u003eLine-Size Solids Transfer\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; margin-top: 35px;\"\u003e\n\u003cdiv style=\"border: 1px solid #e5e7eb; border-radius: 14px; padding: 22px; text-align: center;\"\u003e\n\u003ch4 style=\"color: #263879;\"\u003eSolids Handling\u003c\/h4\u003e\n\u003cp\u003eHandles abrasive slurries and solids up to 2\" (50mm).\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 1px solid #e5e7eb; border-radius: 14px; padding: 22px; text-align: center;\"\u003e\n\u003ch4 style=\"color: #263879;\"\u003eHeavy-Duty Design\u003c\/h4\u003e\n\u003cp\u003eThick-wall metallic construction supports tough industrial environments.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 1px solid #e5e7eb; border-radius: 14px; padding: 22px; text-align: center;\"\u003e\n\u003ch4 style=\"color: #263879;\"\u003eReliable Operation\u003c\/h4\u003e\n\u003cp\u003eESADS+ air valve system provides no-lube, no-stall performance.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 1px solid #e5e7eb; border-radius: 14px; padding: 22px; text-align: center;\"\u003e\n\u003ch4 style=\"color: #263879;\"\u003eSump Performance\u003c\/h4\u003e\n\u003cp\u003eBottom discharge porting helps prevent solids from settling inside the pump.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3 style=\"color: #263879; margin-top: 40px;\"\u003eCommon Industrial Applications\u003c\/h3\u003e\n\u003cul style=\"padding-left: 20px;\"\u003e\n\u003cli\u003eSump pumping applications\u003c\/li\u003e\n\u003cli\u003eMine dewatering\u003c\/li\u003e\n\u003cli\u003eAbrasive slurry transfer\u003c\/li\u003e\n\u003cli\u003eSuspended solids handling\u003c\/li\u003e\n\u003cli\u003eNon-suspended solids handling\u003c\/li\u003e\n\u003cli\u003eLine-size solids transfer\u003c\/li\u003e\n\u003cli\u003eWastewater and sludge transfer\u003c\/li\u003e\n\u003cli\u003eIndustrial fluid transfer involving solids\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"color: #263879; margin-top: 40px;\"\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; margin-top: 15px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background: #f7f9fc;\"\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #e5e7eb;\"\u003e\u003cstrong\u003ePump Model\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #e5e7eb;\"\u003eSandpiper HDF2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #e5e7eb;\"\u003e\u003cstrong\u003ePump Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #e5e7eb;\"\u003eAir Operated Double Diaphragm (AODD) Pump\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f7f9fc;\"\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #e5e7eb;\"\u003e\u003cstrong\u003eValve Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #e5e7eb;\"\u003eHeavy-Duty Flap Valve\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #e5e7eb;\"\u003e\u003cstrong\u003ePort Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #e5e7eb;\"\u003e2\" NPT \/ BSP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f7f9fc;\"\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #e5e7eb;\"\u003e\u003cstrong\u003eMaximum Flow Rate\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #e5e7eb;\"\u003eUp to 208 GPM (787 LPM)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #e5e7eb;\"\u003e\u003cstrong\u003eMaximum Operating Pressure\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #e5e7eb;\"\u003e125 PSI (8.6 Bar)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f7f9fc;\"\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #e5e7eb;\"\u003e\u003cstrong\u003eSolids Handling\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #e5e7eb;\"\u003eUp to 2\" (50mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #e5e7eb;\"\u003e\u003cstrong\u003eSuction Lift\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #e5e7eb;\"\u003eUp to 24 ft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f7f9fc;\"\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #e5e7eb;\"\u003e\u003cstrong\u003eDisplacement Per Stroke\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #e5e7eb;\"\u003e0.47 gal (1.8 L)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #e5e7eb;\"\u003e\u003cstrong\u003eAir Distribution System\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #e5e7eb;\"\u003eNo-Lube, No-Stall ESADS+ Design\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3 style=\"color: #263879; margin-top: 40px;\"\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eWhat is the Sandpiper HDF2 pump used for?\u003c\/h4\u003e\n\u003cp\u003eThe Sandpiper HDF2 is used for sump applications, mine dewatering, abrasive slurry transfer, suspended solids, non-suspended solids, and line-size solids handling.\u003c\/p\u003e\n\u003ch4\u003eCan the HDF2 handle solids?\u003c\/h4\u003e\n\u003cp\u003eYes. The HDF2 heavy-duty flap valve pump can handle solids up to 2\" (50mm), making it suitable for abrasive and solids-laden applications.\u003c\/p\u003e\n\u003ch4\u003eWhy choose a flap valve AODD pump?\u003c\/h4\u003e\n\u003cp\u003eFlap valve AODD pumps are ideal for fluids containing larger solids, abrasive slurry, and debris where standard ball valve pumps may not be suitable.\u003c\/p\u003e\n\u003c!-- Material Options Section --\u003e\n\u003cdiv style=\"margin-top: 40px;\"\u003e\n\u003ch3 style=\"color: #263879; margin-bottom: 24px; text-align: center;\"\u003eAlso Available in Other Materials: \u003c\/h3\u003e\n\u003cdiv style=\"display: grid; grid-template-columns: repeat(auto-fit,minmax(240px,1fr)); gap: 20px;\"\u003e\n\u003c!-- Aluminum --\u003e\u003ca href=\"https:\/\/store.abset.com\/products\/sandpiper-hdf2-2-inch-aluminum-heavy-duty-flap-valve-aodd-pump\" style=\"text-decoration: none; border: 1px solid #e5e7eb; border-radius: 18px; padding: 28px 24px; display: block; color: #1f2937; background: #ffffff; text-align: center;\"\u003e\n\u003cdiv style=\"margin-bottom: 18px; display: flex; justify-content: center;\"\u003e\u003csvg width=\"52\" height=\"52\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"#263879\" stroke-width=\"1.7\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\u003e\n            \u003cpath d=\"M12 2L19 21H5L12 2Z\"\u003e\u003c\/path\u003e\n          \u003c\/svg\u003e\u003c\/div\u003e\n\u003ch4 style=\"margin-top: 0; margin-bottom: 12px; color: #263879; font-size: 20px;\"\u003eAluminum\u003c\/h4\u003e\n\u003cp style=\"line-height: 1.7; font-size: 15px; margin-bottom: 20px;\"\u003eLightweight metallic option for sump transfer, wastewater, and general solids-handling applications.\u003c\/p\u003e\n\u003cspan style=\"display: inline-block; background: #263879; color: #ffffff; padding: 10px 18px; border-radius: 999px; font-size: 14px; font-weight: 600;\"\u003e Explore More \u003c\/span\u003e\u003c\/a\u003e\n\u003c!-- Cast Iron --\u003e\u003ca href=\"https:\/\/store.abset.com\/products\/sandpiper-hdf2-2-inch-cast-iron-heavy-duty-flap-valve-aodd-pump\" style=\"text-decoration: none; border: 1px solid #e5e7eb; border-radius: 18px; padding: 28px 24px; display: block; color: #1f2937; background: #ffffff; text-align: center;\"\u003e\n\u003cdiv style=\"margin-bottom: 18px; display: flex; justify-content: center;\"\u003e\u003csvg width=\"52\" height=\"52\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"#263879\" stroke-width=\"1.7\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\u003e\n            \u003cpath d=\"M4 12H20\"\u003e\u003c\/path\u003e\n            \u003cpath d=\"M12 4V20\"\u003e\u003c\/path\u003e\n            \u003ccircle cx=\"12\" cy=\"12\" r=\"8\"\u003e\u003c\/circle\u003e\n          \u003c\/svg\u003e\u003c\/div\u003e\n\u003ch4 style=\"margin-top: 0; margin-bottom: 12px; color: #263879; font-size: 20px;\"\u003eCast Iron\u003c\/h4\u003e\n\u003cp style=\"line-height: 1.7; font-size: 15px; margin-bottom: 20px;\"\u003eHeavy-duty construction for abrasive slurry, sludge, mine dewatering, and solids transfer duties.\u003c\/p\u003e\n\u003cspan style=\"display: inline-block; background: #263879; color: #ffffff; padding: 10px 18px; border-radius: 999px; font-size: 14px; font-weight: 600;\"\u003e Explore More \u003c\/span\u003e\u003c\/a\u003e\n\u003c!-- Stainless Steel --\u003e\u003ca href=\"https:\/\/store.abset.com\/products\/sandpiper-hdf2-2-inch-stainless-steel-heavy-duty-flap-valve-aodd-pump\" style=\"text-decoration: none; border: 1px solid #e5e7eb; border-radius: 18px; padding: 28px 24px; display: block; color: #1f2937; background: #ffffff; text-align: center;\"\u003e\n\u003cdiv style=\"margin-bottom: 18px; display: flex; justify-content: center;\"\u003e\u003csvg width=\"52\" height=\"52\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"#263879\" stroke-width=\"1.7\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\u003e\n            \u003cpath d=\"M12 2L4 7V12C4 17 7.5 21 12 22C16.5 21 20 17 20 12V7L12 2Z\"\u003e\u003c\/path\u003e\n          \u003c\/svg\u003e\u003c\/div\u003e\n\u003ch4 style=\"margin-top: 0; margin-bottom: 12px; color: #263879; font-size: 20px;\"\u003eStainless Steel\u003c\/h4\u003e\n\u003cp style=\"line-height: 1.7; font-size: 15px; margin-bottom: 20px;\"\u003eCorrosion-resistant metallic option for demanding slurry, wastewater, and industrial fluid handling.\u003c\/p\u003e\n\u003cspan style=\"display: inline-block; background: #263879; color: #ffffff; padding: 10px 18px; border-radius: 999px; font-size: 14px; font-weight: 600;\"\u003e Explore More \u003c\/span\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- CTA Banner --\u003e\n\u003cdiv style=\"margin: 40px 0; padding: 32px 36px; background: linear-gradient(135deg,#263879 0%,#1f2f6d 100%); border-radius: 18px; display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap; color: #ffffff;\"\u003e\n\u003cdiv style=\"flex: 1; min-width: 260px;\"\u003e\n\u003ch2 style=\"margin: 0 0 12px; color: #ffffff; font-size: 28px; line-height: 1.2;\"\u003eNeed Help Selecting a Heavy-Duty Solids Handling Pump?\u003c\/h2\u003e\n\u003cp style=\"margin: 0; font-size: 16px; line-height: 1.7; color: rgba(255,255,255,0.92); max-width: 760px;\"\u003eOur engineering team can help you select the correct HDF2 pump configuration, diaphragm material, and wetted material based on your slurry, solids size, fluid compatibility, and operating conditions.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003ca href=\"\/vi\/pages\/contact-us\" style=\"display: inline-block; background: #ffffff; color: #263879; padding: 14px 26px; border-radius: 999px; text-decoration: none; font-weight: bold; font-size: 15px;\"\u003e Contact Our Team \u003c\/a\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"SANDPIPER","offers":[{"title":"Default Title","offer_id":52420127129781,"sku":null,"price":0.0,"currency_code":"MYR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0696\/6168\/7989\/files\/Heavy_Duty_Ball_Valve_5.png?v=1779931438","url":"https:\/\/store.abset.com\/vi\/products\/sandpiper-hdf2-2-50mm-heavy-duty-flap-valve-aodd-pump","provider":"ABS Engineering \u0026 Trading Sdn Bhd","version":"1.0","type":"link"}