according to jcluf:
This can often times be more readily accomplished for piping than pressure vessels because of the excess wall usually available. By the same token flanges are a problem along with just what condition the system is in and what was it designed to.
subject is re-rating.
Not sure how a rated flange can be rerated? Not much you can do with the pressure-temperature rating stamped on it. Received on Sun Sep 11 07:08:00 2005
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