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)