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Air Diaphragm Pump G57 to 7gpm

Diaphragm Pump, G57 Series Air or CO2 Operated Diaphragm Pump. Truly a unique pump design, in a small package with flows to 7 GPM and operating pressures to 100 PSI. Like other AODD pumps it is self-priming and can run dry without damage.

Application: Chemical transfer, spraying, Bag-n-Box, parts washers, car wash automotive cleaning / recycling and beer dispensing.

Flow rate and pressure are dependent on the incoming air supply 2cfm max. See the various performance curves. Note that the 1/2" and 3/8" curves are the same, while the 3/4" is separate.

All pumps have a hose barb in / out and are quick disconnect type. Rubber mounting grommets included. 20740-050 check valve Santo replacement part Diaphragm pumps larger, click.

Can handle up to 1/8" diameter solids easily with clog-free check valves. Diaphragms available in FKM and Santoprene. **Santoprene is an EPDM-based thermoplastic elastomer and is resistant to mild acids, some solvents and bases. carwash flo-jet flowjet jabsco

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  1. Flojet Pumps

    Duplex Diaphragm pump

    G575175

    $189.00
    Flojet double diaphragm pump with Santoprene diaphragms and EPDM check valve seats. Springs are Hastalloy.

    Connections are 1/2" MNPT. Air connection is 1/4" HB brass.

  2. Flojet Pumps

    Duplex Diaphragm pump

    G573215A

    $221.00
    ON SALE!!! Sale price as shown above.Glass filled Polypropylene double diaphragm pump with FKM diaphragms and check valve seats. Springs are Hastalloy.

    Connections are 1/2" straight. Air connection is 1/4" FNPT brass.

  3. Flojet Pumps

    Duplex Diaphragm pump

    G573225

    $338.00
    Glass filled Polypropylene double diaphragm pump with FKM diaphragms and check valve seats. Springs are Hastalloy.

    Connections are 3/4" straight. Air connection is 1/4" FNPT brass.

  4. Flojet Pumps

    Duplex Diaphragm pump

    G575225A

    $198.00
    Air driven, pneumatic pump. Glass filled Polypropylene double diaphragm pump with Santoprene diaphragms and EPDM check valve seats. Springs are Hastalloy.

    Connections are 3/4" HB. Air connection is 1/4" brass.

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