... /MSS.SP 44,JIS B2220,DIN AND BS NORMS. ASME, ANSI, API, JIS, JPI, DIN, UNI, BS, AS.JIS Weld NeckProduction ... (NPS):10~6000mmType:Slip-On, Welding Neck flange, Blind flange, Socket Welding flange, Threaded flange, Lap Joint flange and Plate flange etc.Material:316L, 316Ti, 304L, 321 ...