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DELLMECO is a top quality European make of Air-Operated Double Diaphragm Pumps.

Pump flow rates are available from 10 lit/min up to 565 lit/min. The max operating pressure for normal pump is 8 bars. The high pressure pump for filter press feeding can operate up to 14 bars.

The pump wetted-end materials are available in PE, PTFE and stainless steel 316. The sanitary grade pumps are constructed in polished stainless steel.


  • Compact, solid design - low space required
  • Pumps abrasive and shear-sensitive materials. Low internal velocities handle abrasive liquids with no damage to the pump. The gentle pumping does not shear fragile materials.
  • Pumps move everything from water to very viscous liquids with solids.
  • Seal-less - are environmentally friendly, no seals or packing to leak.
  • Safe in hazardous areas - air-driven - non-sparkling.
  • Can run dry without damage.
  • Self-priming to over 9 meters.
  • Variable flow - simply regulate the inlet air supply to adjust the pump flow from zero to max flow.
  • Pump stalls if discharge is close and restarts when discharge is opened (no heat build-up, or wear). Expensive types systems and pressure relief valves not required.
  • Composite, long life diaphragms for the heavy applications (no diaphragm discs) smooth and not interrupted by any seals whatever.
  • Operates without any lubrication.
  • Fully groundable.
  • Easy maintenance.
  • Certificates - CE, ATEX, ISO 9001.