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  1. JPGriffin

    Cheng Rotation Vanes

    I am considering use of Cheng Rotation vanes in suction of top entry/discharge pumps. Would appreciate any comments on experience with this device. JPG
  2. JPGriffin

    ASME B16.5 1974

    jte sent data from 1977 edition of B16.5 for A181-1 flanges. Need allowable pressure at 150F and 200F. thanks for the help. JPG
  3. JPGriffin

    ASME B16.5, 1974 or earlier

    I need to know the allowable pressure shown in the 1977 edition of B16.5 for A181-1 flanges at a temperature of 200F.
  4. JPGriffin

    ASME B16.5 1974

    I need a 1974 (or earlier) edition of B16.5 to determine allowable pressure of 300# A181-1 flanges in an old existing refinery hydrogen pipeline. Can anyone help?
  5. JPGriffin

    ASME B16.5, 1974 or earlier

    I am attempting to rate a piping system that was designed to B16.5 1974 and uses A181-1 flanges. A181-1 is no longer used (replaced with A105. Current edition of B16.5 does not include data on A181-1. I need a copy of the 1974 or earlier edition to determine allowable pressure for 300# A181-1...

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