KSB Centrifugal Pump Lexicon –

From A to Z

Air lift pump

Air lift pumps are also known as mammoth pumps, gas lifts or Löscher pumps, and are used for lifting liquids laden with solids. For this purpose a gas is injected below the liquid level, via a compressor, into the pipe, which is immersed vertically into a liquid (also see Type of pump).

The function of air lift pumps is based on the lift action of a mixture of liquid and gas (see Two-phase flow). They can therefore only be used in pump systems with sufficient geodetic head differences.

  

  

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