spring-loaded pressure-relief valve

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• Pressure relief valve — A pressure relief valve is a safety device that relieve in case of overpressure in vessel or piping. The generic term is or pressure relief Valve (PRV) or pressure safety valve (PSV).Main types of pressure relief valves include: *Relief valve… …   Wikipedia

• Relief valve — The relief valve is a type of valve used to control or limit the pressure in a system or vessel which can build up by a process upset, instrument or equipment failure, or fire. The pressure is relieved by allowing the pressurised fluid to flow… …   Wikipedia

• pressure regulating valve — [1] any valve which maintains pressure at or under a certain pressure; specifically the pressure relief valve of the oil pump. [2] In a continuous injection system, part of the fuel distributor, consisting basically of a spring loaded steel… …   Dictionary of automotive terms

• safety relief valve — A spring loaded valve designed to open and relieve excessive pressure in a device when it exceeds a predetermined safe point …   Dictionary of automotive terms

• pressure regulator — A spring loaded diaphragm type pressure relief valve which governs the pressure of the fuel delivered to the fuel injectors by the fuel pump and returning the excess to the tank. Also see system pressure regulator …   Dictionary of automotive terms

• Safety valve — A safety valve is a valve mechanism for the automatic release of a gas from a boiler, pressure vessel, or other system when the pressure or temperature exceeds preset limits. It is part of a bigger set named pressure safety valves (PSV) or… …   Wikipedia

• Oil pump (internal combustion engine) — This article is about a part in an internal combustion engine. For other uses, see Oil pump. Oil circulation system …   Wikipedia

• gasoline engine — Most widely used form of internal combustion engine, found in most automobiles and many other vehicles. Gasoline engines vary significantly in size, weight per unit of power generated, and arrangement of components. The principal type is the… …   Universalium

• ratchet valve — A valve normally used in the wing flap system to retain pressure in the flap actuating cylinder, thereby preventing the flaps from drooping while they are up when the airplane is on the ground and from creeping while they are down when the… …   Aviation dictionary

• Chemigation valve — A chemigation valve is an apparatus designed to protect water supplies from agricultural chemicals used during chemigation, the application of chemicals such as fertilizers and pesticides through irrigation water. Most chemigation valves consist… …   Wikipedia

• Diving regulator — and Octopus Other names Demand valve Uses Reduces pressurized breathing gas to ambient pressure and delivers it to the diver Inventor Manuel Théodore Guillaumet (1838), Benoît Rouquayrol (1860) …   Wikipedia