4" Diaphragm pumps single acting

4" Diaphragm pumps single acting


Diaphragm pumps 4" electric or fuel driven.

  • Max. power: 4 kW
  • Max. capacity: 30 m3/hr
  • Max. capacity: 500 l/min
  • Max. capacity: 30000 l/hr
  • Max. discharge head: 10 m
  • Max. pressure: 1 bar
  • Max. drainage: 60 mm



The 4" mechanically operated, single action, diaphragm pump can be powered by an electric motor or a 4-stroke petrol or diesel motor.

The pumps can be supplied with a pump housing in cast iron, aluminium, bronze or stainless steel AISI 316. Various kinds of materials are available for the diaphragms and the valves, including neopreen, NBR, Hypalon, Dutral, atoxic rubber, silicone and Viton, depending on the liquid to be pumped.

The drives of the pumps are available with various transfer ratios depending on the required capacity and the number of operating hours.

The pumps can be assembled on a fixed frame or on a cart with pneumatic tyres.


  • Cast iron
  • Stainless steel AISI304
  • Bronze
  • Aluminium
  • Stainless steel AISI 316

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