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Flojet G257501A Air-Powered 10 GPM Dual Diaphragm Pump - 100 PSI, Santoprene

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4.00 lbs
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Dual poylpropylene pumps that handle up to 10 GPM. 1/2" female NPT product ports and 1/4" air inlet barb. Santoprene diaphragms.
Prep 65

Prop 65


Technical Specifications

Max PSI: 100
Max Temperature: 120 degrees F
Min Temperature: 40 degrees F
Inlet Port: 1/2 inch
Outlet Port: 1/2 inch
Max GPM: 10

Product Description

100 PSI Polypropylene Double Diaphragm Pump

The Flojet G257501A dual pump system features two Flojet G57 pumps with a total flow rate of 10 GPM and a pressure range from 20 PSI to 100 PSI. Connections include 1/2" FNPT inlet and outlet product ports and a 1/4" air inlet straight hose barb.

  • 10 GPM
  • 20-100 PSI pressure range
  • 1/2" NPTF product inlet
  • 1/2" NPTF product outlet
  • 1/4" straight hose barb gas/air inlet
  • 20-100 PSI air supply pressure
  • Temperature Range: 40°F to 120°F
  • Glass-reinforced Polypropylene housing
  • Santoprene diaphragms and check valve seat
  • Maximum Noise Level: 90dB
  • Patented shuttle valves stop stalling
  • Compact size
  • Self-priming up to 15 ft.

WARNING: This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm (For more information go to

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