Also known as membrane pumps, diaphragm pumps use a combination of back-and-forth action of a rubber, thermoplastic or Teflon diaphragm and valves on opposite sides of the diaphragm to pump a fluid. Herc Rentals’ inventory of diaphragm pumps include single or double, gas or diesel, 1- to 6-inch pumps in aluminum/cast-iron, polypropylene and stainless steel. A double diaphragm pump uses two sets of flexible membranes to pump fluids and a series of check valves to ensure fluid can only travel in one direction through the chamber.
Features and applications include:
- Motor design delivers optimum air efficiency
- Extremely versatile and can handle solids, run dry without damage
- Bolted construction for leak-free fluid handling
- Solid rubber tires for smooth rolling over tough terrain
- Ideal for slow seepage that includes trash, sand and mud, chemical transfer, de-watering underground coal mines and more
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MAKE | MODEL | SUCTION X DISCHARGE | MAX GPM | MAX HEAD | FUEL / CAPACITY | RUN TIME | DIMENSIONS (LWH) | WEIGHT | CAT-CLASS |
---|---|---|---|---|---|---|---|---|---|
Wacker Neuson | PDT3A | 3 x 3" | 88 gpm | 25' | Gasoline / 2.6 gal | 2.2 hrs | 33" x 32" x 31.5" | 140 lbs | 800-1130 |