Flange Dimensions and Standards 01.ANSI / ASME B16.47 02.ANSI / ASME B16.36 03.ANSI / ASME B16.5 04.DIN Standard 05.JIS Standard 06.EN1902-1 Standard 07.UNI Standard 08.BS10 Standard 09.BS4504 Standard 10.SANS/SABS Standard 11.AS Standard