pressure regulating valve


Cars & Driving

  • noun any valve which maintains pressure at or under a certain pressure; specifically the pressure relief valve of the oil pump
  • noun in a continuous injection system, part of the fuel distributor, consisting basically of a spring-loaded steel diaphragm which serves to keep the pressure drop across the metering ports at a constant 0.1 bar


  • A valve that automatically reduces water pressure to maintain a predetermined design pressure.