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Sandpiper HDF2 / HDF50 2" Heavy Duty Flap Valve AODD Pump Diaphragm for Metallic Pumps
Genuine Sandpiper replacement diaphragms for compatible HDF2 and HDF50 2-inch Heavy Duty Flap Valve AODD pumps. Available diaphragm materials include Santoprene, Hytrel, Nitrile, FKM, EPDM and Neoprene.
Product Overview
The Sandpiper HDF2 / HDF50 diaphragm is a genuine replacement wear component for compatible 2-inch Heavy Duty Flap Valve air-operated double diaphragm pumps.
Current Design Level 6 configurations include aluminium, cast iron and stainless steel wetted constructions. Pump wetted material and diaphragm material are separate specifications.
Current manufacturer parts documentation individually lists Santoprene, Hytrel, Nitrile, FKM, EPDM and Neoprene replacement diaphragms.
Recommended For
- HDF2 / HDF50 diaphragm replacement
- Heavy Duty Flap wet-end servicing
- Scheduled preventive maintenance
- Diaphragm wear or failure replacement
- Plant maintenance spare-parts stock
Compatibility & Product Details
| Brand | Sandpiper |
|---|---|
| Compatible Pump Models | Sandpiper HDF2 / HDF50 |
| Pump Series | Heavy Duty Flap Valve |
| Nominal Pump Size | 2" / 50 mm |
| Part Type | AODD Pump Diaphragm |
| Compatible Pump Construction | Metallic |
| Wetted Material Options | Aluminium, Cast Iron and Stainless Steel |
| Diaphragm Materials | Santoprene, Hytrel, Nitrile, FKM, EPDM and Neoprene |
| Current Design Level | Design Level 6 |
| Manufacturer Part Number | Varies according to selected diaphragm material |
How to Select the Correct HDF2 / HDF50 Diaphragm
Confirm the complete pump model, Design Level, diaphragm material and manufacturer part number before ordering a replacement.
Confirm Pump Model
Verify HDF2 or HDF50 from the pump identification.
Check Design Level
Confirm the pump Design Level before selecting replacement parts.
Select Diaphragm Material
Select the applicable manufacturer-listed diaphragm material.
Verify Part Number
Match the replacement diaphragm to the genuine Sandpiper part number.
Sandpiper HDF2 / HDF50 Diaphragm Part Numbers
Use the table below to identify the current individually listed replacement diaphragm.
| Diaphragm Material | Manufacturer Part Number |
|---|---|
| Santoprene | 286.007.354 |
| Hytrel | 286.007.356 |
| Nitrile | 286.007.360 |
| FKM | 286.007.363 |
| EPDM | 286.007.364 |
| Neoprene | 286.007.365 |
Why Choose Genuine Sandpiper Diaphragms?
Genuine Sandpiper diaphragms allow maintenance teams to match the replacement component to the applicable HDF2 / HDF50 configuration and manufacturer part number.
Correct Pump Compatibility
Match the diaphragm to the applicable HDF2 / HDF50 configuration.
Verified Materials
Select from individually listed Sandpiper diaphragm materials.
Accurate Part Identification
Use the manufacturer part number to support correct spare-part selection.
Genuine Sandpiper Replacement Part
Maintain the pump using genuine manufacturer spare parts intended for the applicable configuration.
When Should an HDF2 / HDF50 Diaphragm Be Inspected?
Inspect the diaphragms during planned wet-end maintenance and whenever abnormal pump behaviour or diaphragm damage is suspected.
- 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 changes in pump performance occur
- Scheduled wet-end maintenance is due
Frequently Asked Questions
Which diaphragm materials are available for HDF2 / HDF50?
Current individual parts documentation lists Santoprene, Hytrel, Nitrile, FKM, EPDM and Neoprene diaphragms.
What is Sandpiper part number 286.007.354?
286.007.354 is the Santoprene diaphragm listed for the HDF2 / HDF50.
What is Sandpiper part number 286.007.360?
286.007.360 is the Nitrile diaphragm listed for the HDF2 / HDF50.
Is PTFE listed for the current HDF2 / HDF50?
PTFE is not individually listed as a diaphragm in the current HDF2 / HDF50 Design Level 6 repair-parts table.
How do I select the correct HDF2 / HDF50 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.