KSB Centrifugal Pump Lexicon –

From A to Z

Reverse flow

Reverse flow occurs if pumping is interrupted, for example, due to a power failure and if the check valve has not yet closed or no such valve has been installed. This may be an intentional measure designed to influence the impact of a pressure surge in certain instances. The pump set must then be able to withstand the "runaway speed" (approx. 140 % the rated speed).

  

  

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