REDWIRE Sandpiper’s HDF2 heavy-duty flap valve pump is an industry staple

August 9, 2019 REDWIRE is news you can use from leading suppliers. Powered by FRASERS.

Posted by York Fluid Controls Ltd


Sandpiper pumps are available in Canada through York Fluid Controls. One example is the HDF2 heavy-duty flap valve pump,... Read more

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flap valve pump

The HDF2 heavy-duty flap valve pump by Sandpiper

Sandpiper pumps are available in Canada through York Fluid Controls. One example is the HDF2 heavy-duty flap valve pump, a self-priming unit that has remained a staple of the industry since 1965. It handles solids of up to 50 millimetres.

The HDF2 is trusted widely for its excellence in myriad applications, including industrial wastewater, abrasive slurries, and suspended, non-suspended, or line-sized solids.

Configured with bottom discharge porting

Available with thick walls constructed of aluminum, cast-iron, stainless, or plastics, this flap valve pump runs dry and comes with heavy-duty castings, heavy-duty thick diaphragms, and top suction for self-cleaning. Like all Sandpiper heavy-duty flap pumps, the HDF2 is configured with a bottom discharge porting, which stops settling solids from shortening the pump’s lifespan while offering better suction lift.

Technical specifications of this flap valve pump include the following: discharge port size of two inches NPT (F); capacity from zero to 208 gallons per minute; an air distribution valve with a no-lube, no-stall design; heads up to 125 pounds per square inch (psi), or 289 feet of water; maximum operating pressure of 100 psi; displacement/stroke of 0.47 gallons; and weights of 88 pounds (aluminum), 130 pounds (cast iron), and 140 pounds (stainless steel). Add 35 pounds for the cast-iron centre.

The HDF2 is one of many great air-operated double-diaphragm pumps, or AODD pumps, that Sandpiper offers through York Fluid Controls, the stocking distributor for the manufacturer. With a typical single-diaphragm pump, solids cannot pass through and end up settling inside; this not only impedes the pump’s operational ability, but can shorten its lifespan. In each AODD pump, the bottom discharge allows solids to pass through, and the flap check valve helps with handling large solids.

For the industry standard in solids-handling pumps, count on the HDF2.

About the companies

Based in Mansfield, OH, Sandpiper has been a leading manufacturer of air-operated diaphragm pumps for decades.

Founded in 1960, York Fluid Controls distributes pumps, valves, mixers, and tanks to Canadian industrial clients. The company is based in Brampton, Ont.

To learn more, contact York Fluid Controls.


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Posted by York Fluid Controls Ltd


Sandpiper pumps are available in Canada through York Fluid Controls. One example is the HDF2 heavy-duty flap valve pump,... Read more

Contact supplier