Embossed Standard: EN1092-1 Grades: AISI 304, EN 1.4301 AISI 316, EN 1.4401 Loose embossed flanges DN ISO pipe outside diameter 15 21,3 20 26,9 25 33,7 40 48,3 50 60,3 80 88,9 100 104 lub 114,3 125 129 lub 139,7 Other sizes on request! Category: Flanges