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Thread: Equivalent bolt dimensions for flanges

  1. #1
    gmarora
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    Equivalent bolt dimensions for flanges

    The ANSI and AWWA flange standards ( like ANSI B 16.5, AWWA C 207) gives the sizes of bolt dimensions in inches. I would like to specify the bolt dimensions in mm. What is the applicable ANSI standard which indicates for the full range of bolt sizes (corrsponding to sizes available in flange standards) and gives dimensions in mm and not in inches.

  2. #2
    Technical Fellow
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    Ummmm, that would be an ISO equivalent Standard, no?

  3. #3
    Lead Engineer RWOLFEJR's Avatar
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    I think you're looking for ANSI B1.13M-1983...?

    Might want to grab yourself a copy of "Machinery's Handbook?" It's a GREAT book to have handy...!

  4. #4
    Technical Fellow Kelly_Bramble's Avatar
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    Are you looking for a reference with both inches and mm?

    See: ANSI B16.5 Flange Dimensional Design Data

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