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B16.5 Missing Tolerancing

B16.5 Missing Tolerancing

B16.5 Missing Tolerancing

(OP)
Is there an 'industry-standard' accepted tolerance for concentricity between the bolt circle and a slip-on flange I.D.?  I cannot find this in B16.5, implied or otherwise.  This would be a very useful tolerance for those concerned with fit, and those tolerancing an assembly that uses B16.5 flanges.  (Read: Why does it seem this tolerance isn't set by ASME?!)

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Fitter, happier, more productive

RE: B16.5 Missing Tolerancing

Does section 7.8.3 help? Isn't the slip-on flange ID the same as the facing ID?

RE: B16.5 Missing Tolerancing

(OP)
It appears as if you're right, trottiey.  (Interesting name, btw.)  I missed the 's' on 'diameters' when I was reading.  I would assume that 'diameters' being plural would refer to both the facing OD and ID.

Thanks!

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Fitter, happier, more productive

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