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Flojet G57520GA Series G57 Air Pump - 5 GPM, 3/8in, Santoprene, Hosebarb

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1.53 lbs
In Stock
Now Only!
Flojet Model G57520GA is from the G57 Series. The air operated diaphragm pump, has a polypropylene housing, Santoprene diaphragm and check valve, EPDM O-rings, Hastelloy springs, and is driven by an internal air motor. 
Prep 65

Prop 65


Technical Specifications

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

Product Description

Flojet Industrial G57 Pump

These pumps are designed for general commercial and industrial applications, constructed from a selection of materials for handling a broad range of chemicals. 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.

Caution: The use of check valves in the plumbing system could interfere with the priming ability of the pump.
If unavoidable, check valves in the pumping system must have a cracking pressure of 2 PSI or less.

Allowed Fluids for Santoprene Materials:
  • Potable Water
  • Acids
  • Alkaline
  • Soaps
  • Alcohols
  • Ketones
Unsuitable Fluids for Santoprene Materials:
  • Oils
  • Solvents
  • Soaps with Solvents
  • D-Limonene
  • Aromatic Hydrocarbons

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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