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Recent content by btuchaser

  1. btuchaser

    Do ASME B16.5 flange ratings include NEMA SM23 swings?

    NEMA SM23 allows variations in steam pressure and temperature to exceed maximums by 20% pressure and 50 deg F. Do the ASME B16.5 ratings include these swings or are the B16.5 values absolute maximums? For A-217 GR WC9 (material group 1.10) Class 1500# at 950 F, the allowable pressure is 1885...

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