Flow limiter

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A flow limiter or flow restrictor is a device to restrict the flow of a fluid, in general a gas or a liquid.[1] Some designs use single stage or multi stage orifice plates to handle high and low flow rates.


  • As a safety valve to provide limited flow after closing in the event of a broken hose.
  • Reduce pressure in a system
  • Reduce flow of fluid (velocity) through a system. e.g. to reduce water usage in a shower.

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