Proportioning valve

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Proportional-Safety Valve.jpg

A proportioning valve is a valve that relies on the statics to supply a reduced pressure to an output line.

A simple example is where spring load applies a reducing force so that the output pressure is reduced. Proportioning valves are frequently used in cars to reduce the brake fluid pressure to the rear brakes.

See also[edit]


  • Fundamentals of Automotive Technology: Principles and Practice. Jones & Bartlett Publishers, Aug 1, 2013 pg. 1013