KSB Centrifugal Pump Lexicon –

From A to Z

Geodetic positive suction head

The geodetic positive suction head (Hz.geo) is the difference between the liquid level in the inlet tank and the impeller's centreline. If the geodetic positive suction head chosen is sufficient, it will reduce the risk of cavitation. See Fig. 1 Geodetic positive suction head

  

  

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