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  • Users: corntozes
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  1. corntozes

    Does AD-Merkblatter allows using ASME Section II material?

    Hi I am working with a pressure vessel fabrication using AD-Merblatter, and having difficulties to get the DIN materials in time. So we opt for ASME material instead. Is this allowed by AD? If this is allowed, how can we can the approval? What will be the allowable stress value to be used (can...
  2. corntozes

    Is Backseat test required for new valve?

    Hi According to ASME B16.34, only two type of tests specified, i.e. shell test and closure/seat test. But API STD 598 has one additional testing which is "backseat test". If the valve the we are receiving without the backseat test, is it acceptable? Which code should govern, ASME B16.34 or API...
  3. corntozes

    Fabricator reluctant to stamp ASME certification mark with U designator

    Hi All We are now fabricating a heat exchanger, TEMA type BEU. The fabrication is considered partial fabrication as the front end channel is not part of the project scope (re-use the old channel). To to this "partial" fabrication, the fabricator is reluctant to stamp ASME certification mark...

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