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Alfa Laval Liquid Ring Pumps

Supplier: Alfa Laval

The Alfa Laval range of Liquid Ring Pumps are specially designed for use in food, chemical and pharmaceutical industries where pumping liquids containing air or gases.

Price Guide: POA

As the liquid ring pump is self-priming when half filled with fluid, it is capable of pumping from a suction line partly filled with air or gases.

As these pumps are self-priming, they are ideal for use as return pumps in CIP systems. In particular they are used for the CIP-return application.


  • Self-priming (when pump casing is half filled with fluid)
  • Suitable for aerated fluids
  • High efficiency
  • Minimal maintenance

Simplicity of design

The liquid ring pump does not contain many parts – the pumphead being connected to a standard electric motor. The impeller is fixed onto the pump shaft and housed in a pump casing with a casing cover.

The impeller itself is cast manufacture with straight radial impeller vanes with one impeller size for each type of liquid ring pump.