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Standard [CURRENT]
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This standard specifies tolerances for weld flanges in finished condition as in DIN 28031 and DIN 28033 and for weld-neck flanges as in DIN 28034 through which their exchangeability is ensured. This standard has been prepared by Working Committee NA 012-00-01 AA "Anlagenteile" ("Process equipment") of the Chemical Apparatus Standards Committee (FNCA).
This document replaces DIN 28030-2:2003-03 .