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  1. Otis4949

    Vacuum Rings vs. Wall Thickness

    Well thanks TGS4 - I am on the road and don't have access to compress therefore I can't run the calcs at the moment. Yes I was looking for a rule of thumb, however, you so aptly pointed out that there isn't one. ASME Section VIII - Div 1 24" ID x 6' S/S - Vertical MAWP 250 -20/200F CA 0.125"...
  2. Otis4949

    Vacuum Rings vs. Wall Thickness

    Is there a quick reference for determining additional wall thickness, in lieu of vacuums rings for a FV vessel? Example below: 24" ID x 6' S/S - MAWP 250 - Full Vacuum - 516-70. Calcs give me .277" wall thickness with 3 rings. If I bumped the thickness to 0.5" would that suffice for the...

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