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Posted by Steve on April 08, 2011 at 13:21:05:
In Reply to: TWO STEAM BOILERS WITH DIFFERENT MAWP posted by ROY REYES on December 14, 2010 at 14:05:39:
ASME section I states that if multiple boilers on a common header vary more than 6% in MAWP, additional overpressure protection must be provided on the lower pressure unit.