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pressure vent valves

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  • Pressure cooking — is a method of cooking in a sealed vessel that does not permit air or liquids to escape below a preset pressure. Because the boiling point of water increases as the pressure increases, the pressure built up inside the cooker allows the liquid in… …   Wikipedia

  • Vent (submarine) — A vent is a valve fitted to the top of a submarine s ballast tanks for the purposes of allowing the escape of air.The vent allows air contained in the tank to escape from the top of the ballast tank and be replaced by water entering through the… …   Wikipedia

  • Drain-waste-vent system — DWV redirects here. For other uses, see Deformed wing virus. Detail of soil stack, which is connected to the sewer and vented at the top. In modern plumbing, a drain waste vent (or DWV) is part of a system that removes sewage and greywater from a …   Wikipedia

  • Dry suit — A dry suit or drysuit provides thermal insulation or passive thermal protection to the wearer while immersed in water,[1][2][3][4] and is worn by divers, boaters, water sports enthusiasts, and others who work or play in or near cold water. A dry… …   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

  • Hydraulic machinery — are machines and tools which use fluid power to do work. Heavy equipment is a common example.In this type of machine, high pressure hydraulic fluid is transmitted throughout the machine to various hydraulic motors and hydraulic cylinders. The… …   Wikipedia

  • Formosa Plastics propylene explosion — The Formosa Plastics Propylene Explosion was a propylene release and explosion that occurred on October 6 2005, in the Olefins II Unit at the Formosa Plastics plant in Point Comfort, Texas, USA. The subsequent fire burned for five days.Formosa… …   Wikipedia

  • Summit Tunnel fire — The Summit Tunnel fire occurred on a dangerous goods train passing through the Summit Tunnel on the Greater Manchester/West Yorkshire border, between Littleborough and Todmorden, England.HistoryThe tunnel was built in the late 1830s and was… …   Wikipedia

  • Cryogenic storage dewar — A self pressurising dewar (silver, foreground) being filled with liquid nitrogen from a large storage tank (white, background). Cryogenic storage dewars are specialised types of vacuum flask used for storing cryogens (such as liquid nitrogen or… …   Wikipedia

  • Lead-acid battery — Batteries caption=A valve regulated lead acid battery EtoW=30 40 Wh/kg EtoS=60 75 Wh/L PtoW=180 W/kg|CtoDE=70% 92% EtoCP=7(sld ) 18(fld ) Wh/US$ [http://www.geocities.com/CapeCanaveral/Lab/8679/battery.html] SDR=3% 20%/month… …   Wikipedia

  • Block and bleed manifold — A block and bleed manifold is a hydraulic manifold that combines one or more block/isolate valves, usually ball valves, and one or more bleed/vent valves, usually ball or needle valves, into one component, for interface with other components… …   Wikipedia