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                     DIAPHRAGM PUMPS


  • Cast Aluminum or Cast Iron Construction
  • Neoprene or "DuraBlue 100™ Diaphragm & Polyurethane Flapper Valves
  • 2", 3" or 4" NPT Port Sizes
  • Self-Priming up to 20 ft.
  • Powered by B&S Engine and Explosion Proof Electric Motor
  • Available in 5HP engine and 3/4, 1.5 or 3HP Electric motor
  • Delivers up to 130 GPM, and 11 PSI


The Gorman-Rupp line of Diaphragm pumps is designed to pump sludge, sewage, mud, and other heavy liquids that have the ability to flow. All models are self-priming, have built-in flap valves, and include a suction strainer. The 3" and 4" models are furnished with a 2 wheel truck assembly. Models are available with explosion proof motors, Briggs & Stratton gasoline engines, or a basic model, less driver (furnished with a flex coupling). Standard diaphragms are "DuraBlue 1000™" in 3" and neoprene in 2" pump and 4" pumps.

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