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  1. MAWPeter

    MAAP function of set pressure or MAWP?

    Typically my relief valve set pressure is set at my MAWP, but I have a case where my set pressure is below MAWP because of a small, but constant back pressure. If my vessel is rated for 45 psig, but my set pressure is 42.5 psig, what is my MAAP for a fire scenario? If I'm telling a relief...

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