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  1. danger06

    Diesel Fire Water Pump PSV discharge

    Dear FW Experts, According to NFPA 20 section A.4.18.1, the fire water system has to be evaluated during when the diesel fire pumps are on overspeed scenario. The overspeed switch is typically set to limit at 10% of rated speed. A PSV is required if the piping component ratings are exceeded by...

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