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  1. CATVALVE

    ASME B16.34 minimum wall thickness 3 pieces trunnion ball valve.

    Thanks bcd, Its good to know that this will change during this year, but do you know if with the actual revision, the sum of the ligaments f+g>t apply to the 6.1.2 (c) point 1? Thanks
  2. CATVALVE

    ASME B16.34 minimum wall thickness 3 pieces trunnion ball valve.

    Thanks PeterIgg, What I don't see clear is if the sum of the 2 ligaments really apply because point 6.7 refers to wafer or flangeless valves. And a center piece of a 3 pieces ball valves is not a waffer design. Any other opinion? Thanks
  3. CATVALVE

    ASME B16.34 minimum wall thickness 3 pieces trunnion ball valve.

    Dear all, When designing a 3 piece trunnion ball valves the point 6.1.2 part c point 1. Says: for the central core piece, the value of d shall be the inside diameter of the core piece. If the core piece wall has axial holes, whether through- or partial threaded, then the inner and outer...

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