Forged steel Flanges to KS B1502, JIS B2203, KS B1503, JIS B2220, JIS B2216 having won TUV Certificte ... 2634, 2635,2636,2656/ EN1092-1 ANSI B16.5 1/2”-24” CLASS 150-2500 ANSI B16.47 26”-60” CLASS ... 2000-20000 AWWA C207 4”-144” CLASS B-F KS B1502, JIS B2203, KS B1503, JIS B2220, JIS B2216 BS /UNI / ... A105,SS400,304,304L,316,316L,Q235,C22.8,ST37.2,20#,F60,F62,F65,F70,LF2 Facing method: rust preventing ...