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