The Sandpiper HDF3 diaphragm is a genuine replacement wear
component for 3-inch Heavy Duty Flap Valve AODD pumps. Correct
selection depends on the pump's metallic wetted construction—
aluminium, cast iron or stainless steel—and the required
diaphragm material and manufacturer part number.
This product page is designed to help maintenance engineers,
plant teams and industrial buyers identify the correct
Sandpiper HDF3 replacement diaphragm without
confusing pump construction with diaphragm material.
Key Specifications & Compatibility
Brand: Sandpiper
Compatible Pump Model: HDF3
Pump Type: Heavy Duty Flap Valve AODD Pump
Nominal Pump Size: 3" / 80 mm
Pump Wetted Constructions: Aluminium, Cast Iron and Stainless Steel