Weld Neck flange bores

Weld Neck flange bores

posted in flange
Tuesday, July 30 2013, 02:11 PM

Here in the US, when ordering ANSI weld neck flanges the bore sizes must be specified with respect to pipe schedule sizes (SCH40, SCH80, etc.).

When ordering ISO or DIN weld neck flanges do you do the same or is the bore always one size only?

Thank you,

Chuck


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