... JIS, GOST, ETC STANDARD: 1)ANSI, DIN, UNI, BS, JIS, KS 2)Welding Neck Flange, Slip-On, ... Steel Flange be according to ANSI, DIN, UNI, BS, JIS, KS standards. the materials are ASTM A105 ... 2545, DIN 2632 / 2634/2635---including PN6, PN10, PN16, PN26, PN40 Flanges; UNI FLANGES: UNI 2253/2254/ ... Flanges; BS4504 / EN1092-1 / TABLE-E FLANGES: PN10, PN16, PN25, PN40 Flanges;JIS B2220 / KS B1503 FLANGES: ...