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Flojet G57 Series Air Diaphragm Pump, 5 gpm max flow, Connections are 1/2" HB St, Air inlet is Brass 1/4" HB, Diaphragm is Santoprene and Check Valve is Polypropylene.
g57 Series | FOR International & US MARKETS
Innovative compact design features a patented shuttle valve that eliminates stalling and provides a long life.
Chemically resistant Polypropylene body with a choice of Santoprene®, Viton® or Kalrez® elastomers. Quick
disconnect liquid and gas port fittings for easy installation.
• Highest flow rate for any air pump of comparable size
• Stall proof design with patented shuttle valve
• Easy installation with all quick disconnect ports
• Robust design with durable integral mounting
• Sanitary design with inset molded diaphragm
• Leak resistant radial seals, no critical O-ring seals
• Quiet operation with large exhaust muffler