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  1. Jasmine55

    Bolt size

    Thank you everyone for providing valuable feedback. We have decided to replace the bolts as per ASME B16.5.
  2. Jasmine55

    Bolt size

    Thank you LittleInch! Thank you MJCronin! for your feedback. The lines were hydro tested tested with 1.5 times the design pressure. Fortunately there was no safety incident during the high pressure test due to the inadequate bolt size.
  3. Jasmine55

    Bolt size

    Hello Members, This may be a stupid question. Under sized bolts are used in some of the piping systems as follows, 16" - 300# flange Used bolt size: 1 1/8" As per ASME: 1 1/4" The design pressure of the piping system is 25bar. We found this discrepancy at the later stage of the project and...

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