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3″ Air Diaphragm Pumps

All-Flo have a very large selection of 3″ Air Diaphragm Pumps, these are their best selling 3″ Air Pumps, please check Chemical Compatibility with your application. If you need different chemical resistance please contact Amerikal, or All-Flo directly.

Amerikal supplies all our air pumps with an Air Regulator Guage and Speed Control Valve at no charge.
These controls allow operators to reduce flow without stalling the pump.

Air Diaphragm Pumps Explained

Metal Diaphragm Pumps

3″ Air Pump Specification:

Max. Flow: 235 gpm
Max. Air Pressure: 120 psi

3 in. Metal Pumps – A300

Max Solids: 7/16 in. (11 mm)
Max Suction Lift (Dry): 20 ft-H2O Max Suction Lift (Wet): 31 ft-H2O
Air Inlet: 1/4 in. FNPT

Available Build Materials:

  • Wet End: Aluminum, Anodized Aluminum, Stainless Steel
  • Diaphragm: Buna-N, Geolast®, PTFE, Santoprene®, Viton® / FKM
  • Balls: Buna-N, EPDM, Geolast®, PTFE, Santoprene®, Stainless Steel, Viton® / FKM
  • Seats: Aluminum, Polypropylene, Stainless Steel
  • O-Rings: Buna-N, EPDM, PTFE, Viton® / FKM
  • Hardware: Stainless Steel, Plated Steel

Air driven diaphragm pumps are a great solution for recirculating contaminated pressroom chemistry, functioning trouble free even under the harshest conditions.

Adopt the Genesis® range of Pressroom Solutions TODAY!

Check out our Very Competitive Pump Pricing