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Flojet G575155A Series G57 Air Pump - 4.5 GPM, 3/8in, Santoprene

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1.58 lbs
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G57 Air Pumps handle potable water, acids, alkaline, soaps, alcohols. Ketones Designed for commercial and industrial applications. Provides a 4.5 GPM flow rate.
Prep 65

Prop 65


Product Description

Air Operated Diaphragm Pump

Flojet Industrial G57 and G57C Pumps are designed for general commercial and industrial applications. These pumps are constructed from a selection of materials for handling a broad range of chemicals. Delivers flow rates reaching 4.5 GPM. Features polypropylene housing, Santoprene diapghragm and check valve, EPDM O-rings, Hastelloy springs, and is driven by an internal air motor.
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 2PSI or less.

  • Max fluid temp: 120 degrees F
  • Inlet: 3/8"
  • Max flow: 4.5 GPM
  • Santoprene diaphragm and check valves
Allowed Fluids for Santoprene Materials:
  • Potable Water
  • Acids
  • Alkaline
  • Soaps
  • Alcohols
  • Ketones
Not Allowed 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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