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Coping With Low NPSH

Low NPSH is a common issue and is one of the major causes of damage to pumps

There are many differnt solutions to the problem of low NPSH. These solutions can include, running large pumps at slow speeds, modifications to pumps such as inducers, using pump types with a initial pressure drop across the impeller, lowering the pump into the ground to increase the NPSH or installing pump types that are less suseptable to cavitation and variable pressure damage.

AxFlow has a range of pumps and pump types that can operate with low or variable NPSH. These include regenerative turbine pumps, Bungartz centrifugal pumps with their patented hydrodynamic/expeller sealing principle and Hidrostal screw centrifugal pumps.

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