rupture disc vacuum

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• Rupture disc — A rupture disk or bursting disc is a pressure relief device that protects a vessel or system from overpressurization. Rupture discs have a one time use membrane that fails at a predetermined pressure, either positive or vacuum. The membrane is… …   Wikipedia

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• 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

• Chemical tank — BASF Chemical Plant Portsmouth Site in the West Norfolk area of Portsmouth, Virginia. The plant is served by the Commonwealth Railway. Chemical tanks are storage containers for chemicals. They come in a variety of sizes and shapes, and are used… …   Wikipedia

• Refrigerated transport Dewar — A refrigerated transport Dewar is a refrigerated transport vessel with a insulated Dewar flask (vacuum) design to carry cryogenic liquid. To prevent pressure build up they are equipped with safety relief valves and/or rupture discs. The liquid… …   Wikipedia

• Spud gun — For the child s toy which fires small pieces of potato, see spud gun (toy). A pneumatic potato cannon A potato cannon (also known as a spud gun or spudzooka ) is a pipe based cannon which uses air pressure (pneumatic), Propellant, or… …   Wikipedia

• ICD-9-CM Volume 3 — is a system of procedural codes. It is a subset of ICD 9 CM (volumes 1 and 2 are used for diagnostic codes.) The United States National Center for Health Statistics drafted ICD 10 PCS in 2000 as a potential replacement for ICD 9 CM Volume 3, but… …   Wikipedia

• Mathematics and Physical Sciences — ▪ 2003 Introduction Mathematics       Mathematics in 2002 was marked by two discoveries in number theory. The first may have practical implications; the second satisfied a 150 year old curiosity.       Computer scientist Manindra Agrawal of the… …   Universalium

• Capacitor — This article is about the electronic component. For the physical phenomenon, see capacitance. For an overview of various kinds of capacitors, see types of capacitor. Capacitor Modern capacitors, by a cm ruler Type Passive …   Wikipedia