KSB Centrifugal Pump Lexicon –

From A to Z

Control by throttling

Control by throttling is used to influence the flow rate in a pump system by varying system resistance. It is also the simplest way to shift the operating point of a centrifugal pump because it uses existing valves fitted inside, upstream, or downstream of the system. Unwanted noise and vibrations can occur, however, and control by throttling is the least energy-efficient control method (control by generating losses).

  

  

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