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-   -   Boiler.. (https://www.askmehelpdesk.com/showthread.php?t=546596)

  • Jan 21, 2011, 06:41 PM
    aiene
    Boiler..
    Working pressure of a boiler is 470 psig.the safety valve lifts 570 psig and blows down to 480 psig.the blowdown is what percentage og the working pressure?

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