posted 05-29-2001 03:58 AM            

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Dear Sirs,
I have recently inspected a high pressure (100psi)steam piping system that is delivering 16,000kg/hour of steam to some process equipment. During my inspection I saw a 4inch bellows expansion joint being used on misaligned pipes and unsupported. Can you confirm that this is not only bad practice but is unsafe.

Thanks
Mike Seymour CEng FIMechE

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posted 05-29-2001 09:52 AM            

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The EJMA Standards contain requirements for anchoring and guiding. Generally a bellows is placed next to an anchor and the pipe is guided on the other side of the bellows.

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