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
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
pressure-vacuum valve — /presh euhr vak yooh euhm, yoohm/ a valve for relieving a sealed tank of any pressure or vacuum exceeding acceptable limits. * * * … Universalium
pressure-vacuum valve — /presh euhr vak yooh euhm, yoohm/ a valve for relieving a sealed tank of any pressure or vacuum exceeding acceptable limits … Useful english dictionary
National 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… … Wikipedia
Counter-pressure brake — The counter pressure brake (German: Gegendruckbremse), also named the Riggenbach counter pressure brake after its inventor, Niklaus Riggenbach, is a dynamic railway brake on steam locomotives that, through a combination of means, brakes the… … 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
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
Diabetic foot ulcer — is one of the major complications of diabetes mellitus, and probably the major component of the diabetic foot. It occurs in 15% of all patients with diabetes and precedes 84% of all lower leg amputations.[1] Major increase in mortality among… … Wikipedia
Texas City Refinery (BP) — BP s Texas City Refinery in Texas City, Texas is the second largest oil refinery in the state and the third largest in the United States. It has an input capacity of 437,000 barrels per day (18,354,000 gallons or 69,477,448 litres) as of January… … Wikipedia
Duchenne muscular dystrophy — Classification and external resources Histopathology of gastrocnemius muscle from patient who died of pseudohypertrophic muscular dystrophy, Duchenne type. Cross section of muscle shows extensive replacement of muscle fibers by adipose cells … Wikipedia