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Gorman Rupp 4" x 3 HP Diaphragm Pump

Gorman Rupp 4" x 3 HP Diaphragm Pump
Regular price: $14,253.00
Sale price: $11,259.87
Item# 4D-E3-3P
freight not included click here for shipping info

Models are available with an explosion-proof motor, ODP electric motor, gasoline engine, or as 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.


  • 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

    Gorman Rupp 4" x 3 HP Diaphragm Pump Spec Sheet & Curves - click to view pdf file