... /UNS S32750,F55/UNS S32760 Types:Welding Neck Flange,Slip on Flange,Threaded Flange,Socket Welding Flange,Blind Flange,Orifice Flange,Ring Joint Flanges,Long Welding Neck ... :2000(CE,API) certified company, we provide various ball valves, gate valves, globe valves, check valves, strainers, flanges and pipe fittings for petroleum, chemical ...