HDF3-M / HDF4-M Sandpiper Air Operated Double Diaphragm Heavy Duty Flap Metallic Pump

HDF air operated double diaphragm pumps are recommended for abrasive slurries, suspended and non-suspended solids and line-size solids. All SANDPIPER® Heavy Duty Flap Pumps are configured with bottom discharge porting to prevent settling solids from shortening pump life and provide superior suction lift.

HDF3-M/HDF4-M pumps are thick wall constructed of Cast Iron with elastomer and TPE (thermal plastic elastomer) diaphragms and check valves. See tabs below for a complete description.

Specifications

Port Size: 3″ 150# ANSI Flange 4” 150# ANSI Flange

Capacity: 0 to 260 gpm (988 lpm)

Air Distribution Valve: No-lube, no-stall design

Solids-Handling: Up to nearly 3″ (75 mm)

Heads Up To: 125 psi or 289 ft. of water (8.6 bar or 88 meters)

Displacement/Stroke: .026 gallons (.098 liters)

Max Operating Pressure: 125 psi (8.6 bar)

Shipping Weight: Cast Iron: 390 lbs. (176 kg)

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