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  1. stevem1968

    Fire Tube Boiler Tube Plugging - Safe percentage of tubes plugged

    Fire tube Boiler Total amount of tubes 257 57 Tubes Plugged = 20.8% What is the ASME or industry standard with regards to the amount of tubes plugged before it becomes unsafe to operate. Thanks Steve M
  2. stevem1968

    ASME Section 1 - PW 11 requirements

    Good afternoon Interpretation ASME Section 1 PW-11 Required Volumetric Examination of Butt Welds RT Coverage ASME Section 1 PW-11 < NPS 4in (100DN) RT is not required >NPS 4in (100DN) or >1/2in (13mm) then Volumetric RT is required. NPS 3in wall thickness >1/2in (13mm) then RT is...

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