Air Operated Double Diaphragm Pump

Air Operated Double Diaphragm Pump

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Air Operated Double Diaphragm Pumps are used in facilities of all sizes, and in a variety of different industries. It is a type of positive displacement pump that uses compressed air as a power source. It is basic for ball or fold check valves to be utilized, contingent upon the solids passing necessities of the application.

 Air Operated Diaphragm have good suction lift characteristics and can handle sludge’s or slurries with a relatively high amount of grit and solid content. This pump can be mounted upright, sideways upside down & finds great application in car washers.


  • Solvents
  • Acids
  • Caustics
  • High Viscous Liquids
  • Abrasive Media
  • Hazardous & Flammable Liquids
  • Barrel loading – unloading
  • Filter press & transfer
  • Slurry transfer

Operating Data


up to 55 m3/hr


up to 70 mtr.


up to 7 kg/cm2


Max 120° c

Discharge Size:

12 mm to 80 mm

Air Inlet Size:

1/4" to 1/2"

Solid Size:

Max. 12 mm


SS316, SS304, PP, PVDVE, Aluminum, etc...

Suction Lift:

Rubber Diaphragm: Dry: 4.5 Mtr.
Wet: 7.5 Mtr.
Ptfe Diaphragm:   Dry: 3 Mtr.
Wet: 6 Mtr.