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  2. Consolidated Safety-Valve Co. v. Crosby Steam Gauge & Valve ...

    en.wikipedia.org/wiki/Consolidated_Safety-Valve...

    Richardson was the first person who made a safety valve which, while it automatically relieved the pressure of steam in the boiler, did not, in effecting that result, reduce the pressure to such an extent as to make the use of the relieving apparatus practically impossible because of the expenditure of time and fuel necessary to bring up the steam again to the proper working standard.

  3. Anderson Greenwood Crosby - Wikipedia

    en.wikipedia.org/wiki/Anderson_Greenwood_Crosby

    Anderson Greenwood Crosby is a US manufacturing company that produces valves for industrial processes, including pressure relief and tank protection valves. The firm was established as Anderson Greenwood in 1947 in Houston, Texas by Marvin Greenwood , Ben Anderson , and Lomis Slaughter Jr to produce a light aircraft, the AG-14 .

  4. Pilot-operated relief valve - Wikipedia

    en.wikipedia.org/wiki/Pilot-operated_relief_valve

    PORV are also called pilot-operated safety valve (POSV), pilot-operated pressure relief valve (POPRV), or pilot-operated safety relief valve (POSRV), depending on the manufacturer and the application. Technically POPRV is the most generic term, but PORV is often used generically (as in this article) even though it should refer to valves in ...

  5. Safety valve - Wikipedia

    en.wikipedia.org/wiki/Safety_valve

    An oxygen safety relief valve DN250-safety valves. A safety valve is a valve that acts as a fail-safe.An example of safety valve is a pressure relief valve (PRV), which automatically releases a substance from a boiler, pressure vessel, or other system, when the pressure or temperature exceeds preset limits.

  6. Relief valve - Wikipedia

    en.wikipedia.org/wiki/Relief_valve

    A relief valve DN25 on cooling water pipe from heat exchanger Schematic diagram of a conventional spring-loaded pressure relief valve. A relief valve or pressure relief valve (PRV) is a type of safety valve used to control or limit the pressure in a system; excessive pressure might otherwise build up and create a process upset, instrument or equipment failure, explosion, or fire.

  7. Category:Steam power - Wikipedia

    en.wikipedia.org/wiki/Category:Steam_power

    Consolidated Safety-Valve Co. v. Crosby Steam Gauge & Valve Co. Corner tube boiler; D. Deaerating feed tank; ... Pressure–volume diagram; Priming (steam locomotive)

  8. Which landmarks are affected by the wildfires in Los Angeles ...

    www.aol.com/landmarks-affected-wildfires-los...

    The Getty Villa art museum is threatened by the flames of the wind-driven Palisades Fire in Pacific Palisades, California, Jan. 7, 2025. A fast-moving brushfire in a Los Angeles suburb burned ...

  9. Instrumentation in petrochemical industries - Wikipedia

    en.wikipedia.org/wiki/Instrumentation_in...

    The blanket gas supply valve opens to maintain the pressure. As the tank fills with liquid the pressure rises and a vent gas valve open to vent gas to atmosphere or a vent system. [11] Rupture (bursting) discs (PSE) and pressure relief or pressure safety valves (PSV) are important pressure control devices. [3]

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