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Flojet G57D202A Series G57 Air Operated Diaphragm Pump - 5 GPM, 3/8in, Santoprene

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1.56 lbs
In Stock
Now Only!
This Air Driven Double Diaphragm Pump is designed for general commercial and industrial applications. This self-priming pump is not submersible, and should pe placed in a dry, well ventillated area.
Prep 65

Prop 65


Technical Specifications

Inlet Port: 3/8 inch
Max GPM: 5
Max PSI: 100
Max Temperature: 120 degrees F

Product Description


This Flojet G57 Series air operated diaphragm pump,has a  polypropylene housing, Santoprene diaphragm, polypropylene check valve seat, Viton O-rings and Hastelloy springs. It is driven by an internal air motor. This small air operated double diaphragm pump is designed to be the ultimate in performance and reliability. The robust design combines innovative features and relentless testing to offer a pump that has a long, trouble free service life. This air operated duplex diaphragm pump has leak resistant radial seals, eliminating the need for critical O-ring seals. 
  • Duplex diaphragm design
  • Patented shuttle valves, eliminates stalling
  • Compact size
  • Max flow rate: 5 GPM
  • 3/8" ports
  • Santoprene diaphragm
  • Max Temp: 120 degrees F
  • Self-priming up tp 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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