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Standard [WITHDRAWN]
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This standard applies to the dimensions, design and materials of hygienic flange couplings with O-ring for butt welding on pipes with dimensions according to DIN 11866 and DIN EN 10357, series A.
This document replaces DIN 11853-2:2011-04 .
This document has been replaced by: DIN 11853-2:2025-04 .