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Workshop - Air Operated Diaphragm Pumps

Diaphragm pumps are driven by air and have a 1:1 ratio and are available in inlet/outlet sizes from ¼” to 2”.

The diaphragm pump offers many advantages over other pumps such as:-

  • Low interval velocities move abrasive materials with no damage
  • Gentle pumping action does not shear fragile materials
  • Heavy viscosity or solids laden materials can be pumped
  • Self priming under most suction lift or flooded suction conditions
  • Can run dry without damage
  • Deadheads against closed discharge


  • Different models are available with either Polypropolene or Aluminium bodies and according to the model with Buna-N, Teflon, Hytrel or Santoprene wetted or soft parts.

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