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  • Users: MechD
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  1. MechD

    Dimple Jacket Hydrotest Pressure

    Hi all, I am currently struggling to agree with our Third Party Inspector on dimple jacket hydrotest requirements per ASME VIII, Div 1. I have always treated dimple jacket welded onto a pressure vessel as it's own unit, rather than another vessel chamber and / or combination unit. (For example...
  2. MechD

    Weldolet - Allowable Pressure

    Hi, If I am using Bonney Forge Weldolets (specifically manufactured to MSS-SP-97 standards), are pressure calcs required for the fitting? I have already found the straight pipe allowable pressure & corresponding wall thickness to EN13480-3. Are Weldolets certified to cover the pipe's...

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