which code can i follow to know the dimension of a carbon steel flange (weld nick) with NDS 80" (2032 mm) and "PN 16" ????
ASME B16.47 till 60" only.
AWWA C200 no weld nick flange only slip on.
Editorial note: It should be "weld neck" rather than "nick."
Weld neck flanges are made by forging; I don't know if that can be done in such a large size.
If it is a non-Code flange, you may need to compute "from scratch" with bending and shear formulas.
PN 16 -Type 11 . Refer below link
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