HDF1 and HDF25 Metallic 1" (25 mm) AODD – Heavy Duty Flap Valve Pump

Category: Diaphragm Pumps (AODD Pump)Heavy Duty Flap Valve Pump

Specifications

Porting Size

1" NPT 1" BSP

Capacity

0 - 70 gpm (265 lpm)

Air Distribution Valve

No-lube, no-stall design

Heads up to

125 psi or 289 ft. of water (8.6 bar or 88 meters)

Stroke

0.10 gallons (0.38 liters)

Max Operating Pressure

125 psi (8.6 bar)

Weight

Aluminum - 48 lbs (21 kg) Cast Iron - 76 lbs (34 kg) Stainless Steel - 79 lbs (36 kg)

1 inch aodd pump METALLIC AODD PUMP heavy duty flap valve 25mm HDF

Details

HDF1 and HDF25 Metallic 1" (25 mm) AODD – Heavy Duty Flap Valve Pump

The SANDPIPER HDF1 AND HDF25 METALLIC 1" (25 MM) combine a small footprint with exceptional durability, designed specifically to handle abrasive slurries, solids-laden fluids, and harsh environments. Ideal for portable and permanent setups, this pump is perfect for sump, dewatering, and mining applications.

HDF1 and HDF25 Features		Applications
Superior Flow Rate: The HDF1 offers best-in-class flow for a 1” AODD pump, delivering efficient performance even in rugged applications. Compact Design: With a small footprint, it easily fits into confined spaces, making it convenient for both portable and fixed applications Bottom discharge Porting: Prevents settling solids from damaging the diaphragm, extending pump life. Robust Construction: Built from sand-casted aluminum, cast iron, and stainless steel for maximum durability in challenging environments Air distribution System: Features a no-lube, no-stall ESADS+ system, allowing quick access for maintenance without removing the pump from service.		Sump and Dewatering:Excellent for moving solids-laden fluids and handling high-suction lift applications MINING: Reliable Choice for harsh mining environments with superior abrasion resistance Compact Installations: Fits confined spaces with its small, portable footprint.

Why Choose SANDPIPER AIR OPERATED DOUBLE DIAPHRAGM
Portability: Lightweight and easy to transport, ideal for multi-location use	Extended Pump Life: Bottom discharge porting reduces diaphragm wear from settling solids	Maintenance Efficiency: Externally serviceable ESADS+ system saves time, reducing downtime and operational costs.