Pilot-operated relief valve
- Pilot-operated relief valve
A Pilot-Operated Relief Valve is used to relieve large flows with small pressure differential. [cite web|title=Pressure-control valves - part 1|url=http://www.hydraulicspneumatics.com/200/FPE/Valves/Article/True/6411/Valves 070111 hydraulicspneumatics.com no opening until 90% of full pressure] [cite web|title=PORV - What does PORV stand for? Acronyms and abbreviations by the Free Online Dictionary.|url=http://acronyms.thefreedictionary.com/PORV 070111 acronyms.thefreedictionary.com] [cite web|title=NMAH | Three Mile Island: The Inside Story |url=http://americanhistory.si.edu/tmi/tmi03.htm 070111 americanhistory.si.edu]
The main manufacturers of pilot operated safety relief valves are:
* [http://www.weirpowerindustrial.com/weirweb/powerindustrial/home.nsf/luBrands/Sarasin-RSBD Sarasin-RSBD] (France)
* Consolidated (USA)
* Anderson-Greenwood (USA)
* Farris (Canada)
* [http://www.astspa.it/ast AST] (Italy)
See also
* Three Mile Island nuclear accident
* Relief valve
* Safety valve
References
External links
* Sample PORV: http://www.taylorvalve.com/products/safety-relief-valves/pilot-valve/9300-series/
Wikimedia Foundation.
2010.
Look at other dictionaries:
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
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
Valve — This article is about the flow control device. For the game developer, see Valve Corporation. For the electronic component, see Vacuum tube. For other uses, see Valve (disambiguation). These water valves are operated by handles. A valve is a… … Wikipedia
Poppet valve — A poppet valve is a valve consisting of a hole, usually round or oval, and a tapered plug, usually a disk shape on the end of a shaft also called a valve stem. The shaft guides the plug portion by sliding through a valve guide. In most… … Wikipedia
Davis-Besse Nuclear Power Station — The Davis Besse NPP (NRC image) … Wikipedia
импульсный предохранительный клапан — ИПК (напр. парогенератора АЭС) [А.С.Гольдберг. Англо русский энергетический словарь. 2006 г.] Тематики энергетика в целом Синонимы ИПК EN pilot operated relief valvePORVpilot safety valvePSVpilot protective valve … Справочник технического переводчика
Nuclear and radiation accidents — This article is about nuclear and radiation accidents in general. For a list of military nuclear accidents, see List of military nuclear accidents. For a list of civilian nuclear accidents, see List of civilian nuclear accidents. For a discussion … Wikipedia
Harrisburg-Kernkraftwerkunfall — f1 Kernkraftwerk Three Mile Island Kernkraftwerk von Three Mile Island, in dem es 1979 zur Kernschmelze kam … Deutsch Wikipedia
Kernkraftwerk Three Mile Island — f1 Kernkraftwerk Three Mile Island Kernkraftwerk von Three Mile Island, in dem es 1979 zur Kernschmelze kam Lage … Deutsch Wikipedia
TMI — f1 Kernkraftwerk Three Mile Island Kernkraftwerk von Three Mile Island, in dem es 1979 zur Kernschmelze kam … Deutsch Wikipedia