Description
Sandpiper HDB1½ / HDB40 1½" Heavy Duty Ball Valve AODD Pump Diaphragm for Metallic Pumps
Genuine Sandpiper replacement diaphragms for compatible HDB1½ and HDB40 1½-inch Heavy Duty Ball Valve AODD pumps. Available diaphragm materials include Santoprene, Nitrile, FKM, EPDM, Neoprene and PTFE.
Product Overview
The Sandpiper HDB1½ / HDB40 diaphragm is a genuine replacement wear component for compatible 1½-inch Heavy Duty Ball Valve air-operated double diaphragm pumps.
Current HDB1½ / HDB40 Design Level 8 configurations include aluminium, cast iron and stainless steel wetted constructions. Pump wetted construction is separate from diaphragm material.
Current manufacturer documentation individually lists Santoprene, Nitrile, FKM, EPDM, Neoprene and PTFE diaphragm configurations, including PTFE overlay and Synthesis™ One-Piece PTFE constructions.
Recommended For
- HDB1½ / HDB40 diaphragm replacement
- Heavy Duty Ball wet-end servicing
- Scheduled preventive maintenance
- Diaphragm wear or failure replacement
- Maintenance spare-parts stock
Compatibility & Product Details
| Brand | Sandpiper |
|---|---|
| Compatible Pump Models | Sandpiper HDB1½ / HDB40 |
| Pump Series | Heavy Duty Ball Valve |
| Nominal Pump Size | 1½" / 40 mm |
| Part Type | AODD Pump Diaphragm |
| Compatible Pump Construction | Metallic |
| Wetted Material Options | Aluminium, Cast Iron and Stainless Steel |
| Diaphragm Materials | Santoprene, Nitrile, FKM, EPDM, Neoprene and PTFE |
| PTFE Diaphragm Construction | PTFE Overlay or Synthesis™ One-Piece PTFE |
| Current Design Level | Design Level 8 |
| Manufacturer Part Number | Varies according to selected diaphragm material and construction |
How to Select the Correct HDB1½ / HDB40 Diaphragm
Confirm the complete pump identification, Design Level, existing diaphragm material and manufacturer part number before selecting a replacement.
Confirm Pump Model
Verify HDB1½ or HDB40 from the pump identification.
Check Design Level
Confirm the pump design level before matching replacement parts.
Select Diaphragm Material
Select the applicable manufacturer-listed diaphragm material and PTFE construction.
Verify Part Number
Match the replacement diaphragm to the genuine Sandpiper part number.
Sandpiper HDB1½ / HDB40 Diaphragm Part Numbers
Use the table below to identify the current individually listed replacement diaphragm.
| Diaphragm Material / Construction | Manufacturer Part Number |
|---|---|
| Santoprene | 286.005.354 |
| Nitrile | 286.005.360 |
| FKM | 286.005.363 |
| EPDM | 286.005.364 |
| Neoprene | 286.005.365 |
| PTFE Overlay Diaphragm | 286.020.604 |
| Synthesis™ One-Piece PTFE | 286.114.000 |
Why Choose Genuine Sandpiper Diaphragms?
Genuine Sandpiper diaphragms allow the replacement component to be matched to the applicable HDB1½ / HDB40 configuration and manufacturer part number.
Correct Model Compatibility
Match the diaphragm to the applicable HDB1½ / HDB40 configuration.
Verified Materials
Select from individually listed Sandpiper diaphragm materials.
PTFE Construction Choice
Applicable configurations include PTFE overlay and Synthesis™ one-piece PTFE.
Genuine Sandpiper Replacement Part
Use genuine manufacturer spare parts intended for the applicable pump configuration.
When Should an HDB1½ / HDB40 Diaphragm Be Inspected?
Inspect the diaphragms during planned wet-end maintenance or when signs of diaphragm wear or failure are identified.
- Process fluid is detected at the pump exhaust
- Visible diaphragm wear or damage is found
- A diaphragm rupture is suspected
- Diaphragm plates require inspection
- Unexpected pump behaviour occurs
- Scheduled wet-end maintenance is due
Frequently Asked Questions
Which diaphragm materials are listed for HDB1½ / HDB40?
Santoprene, Nitrile, FKM, EPDM, Neoprene and PTFE are individually listed in the current parts documentation.
What is Sandpiper part number 286.020.604?
286.020.604 is the PTFE overlay diaphragm component.
What is Sandpiper part number 286.114.000?
286.114.000 is the Synthesis™ One-Piece PTFE diaphragm.
Is Hytrel a standard Shopify variant for this product?
The current nomenclature references Hytrel in certain pump configurations, but a standalone Hytrel diaphragm part number is not individually listed in the current parts table. Verification is required before adding it as a product variant.
How do I select the correct HDB1½ / HDB40 diaphragm?
Confirm the model, Design Level, existing diaphragm material and manufacturer part number before ordering.
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Send ABS Engineering your pump model, design level, existing diaphragm part number, pumped fluid and operating conditions.