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In American standard flanges, what does this code mean?

2018-08-10 View Original

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This post was last edited by batawfn on 2018-8-10 08:49: ANSI RF-SW (B=16MM, E=19MM). B is the inner diameter; what does E mean? I can’t understand it
Reply #2 2018-08-10
B Inner diameter E Diameter of the welded neck portion
Reply #3 2018-08-10
Socket weld flange, B inner diameter E socket hole inner diameter
Reply #4 2018-08-12
I’ve studied it, but I don’t understand: lol

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