pressure-relief valves
1Pressure 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… …
2Relief 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… …
3National Board of Boiler and Pressure Vessel Inspectors — The National Board of Boiler and Pressure Vessel Inspectors is composed of chief boiler and pressure vessel inspectors representing states, cities, and provinces enforcing pressure equipment laws and regulations. Created to prevent death, injury… …
4Maximum allowable operating pressure — or MAOP refers to the wall strength of a pressurized cylinder such as a pipeline or storage tank and how much pressure the walls may safely hold in normal operation. The MAOP is less than the MAWP (maximum allowable working pressure). MAWP being… …
5Pressure 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… …
6Pilot-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… …
7Reduced pressure zone device — A Reduced Pressure Zone Device (RPZD, RPZ or RPZ valve) is a type of backflow prevention device used to protect water supplies from contamination. An RPZD is considered suitable for high hazard applications, that is, where the consequence of… …
8Reduced pressure backflow prevention assembly — A reduced pressure (RP) backflow prevention device is a device used to protect the potable water supply from contaminated water. An RP valve consists of an automatic pressure relief valve in between two check valves. The pressure relief valve… …
9Marotta — Controls Incorporated Type Private Industry Aerospace Defense Space Systems Industrial Fluids Founded 1943, Montville, New Jersey …
10Dry 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… …
