HDF3-M / HDF4-M Metallic


HDF 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.

Port Size 3" 150# ANSI Flange
4” 150# ANSI Flange
Capacity 0 to 303 gpm (1147 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 1.15 gallons (4.37 liters)
Max Operating Pressure 125 psi (8.6 bar)
Shipping Weight Cast Iron: 390 lbs. (176 kg)

HDF3-M / HDF4-M Metallic Performance Curve

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