Flojet Air Operated Diaphragm Pump, 100 PSI, 3.5 GPM

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Out Of Stock (Please Note, Prices May Vary if Purchased in Store) Out Of Stock (Please Note, Prices May Vary if Purchased in Store)

Innovative compact design features a patented shuttle valve that eliminates stalling. Chemically resistant polypropylene body with a choice of santoprene or viton elastomers. Over-size exhaust muffler provides quiet operation. Quick disconnect liquid and gas port fittings for easy installation.

Do not pump gasoline or other flammable liquids.


  • Capable of air or CO2 drive pressures up to 100psi (6.9bar)
  • Robust design with durable integral mounting
  • Patented shuttle valve, eliminates stalling
  • Capable of passing solids up to 3.2mm diameter easily with large clog-free check valves
  • Corrosion resistant materials capable of handling a wide range of chemicals
  • Sanitary design with insert molded diaphragm (Santroprene only)
  • Leak resistant radial seals, no critical o-ring seals
  • Quiet operation with large exhaust muffler
  • Ease of Installation with all quick disconnect ports


  • Pump Design Duplex Diaphragm
  • Diaphragm Material: Viton
  • Flow Rate 7 gpm 26.5 lpm
  • Port Type 3/8" Hose Barb
  • Air Fitting 1/4" Brass Hose Barb
  • Air Supply Pressure 20 - 100 psi 1.4 - 6.9 Bar
  • Temperature Range 120 °F 48.9 °C
  • Self Priming Up to 15ft(4.5m).
  • Port(s) Gas Inlet & Outlet 1.4"(6.3mm); Product Inlet 1/2"(12.7mm) or 3/4"(19.1mm); Product Outlet 1/2"(12.7mm) or 3/4"(19.1mm);
  • Weight 0.54 kg 1.2 lb