... Standard:ANSI,JIS,DIN,BS,etc ansi b16.5 socket welding flange1.Material:304 304L 316 316L 321 and ... Blind/ Slip-on/Welding Neck (SCH 5S-SCH XXS) /Socket weld/ Threaded/ Lap Joint Flange2) EN 1092-1 Flanges ... 30K Weld Neck Flange5) BS 10 Table D/E/F/H Flange, BS 4504 Flanges, SABS 1123 Flanges6) AS2129 ... Table D/E/F/H Flanges3.Sealing Surface:FF, RF, LJ, TG, FM ...