... UIN,etc. flange,GAL flange,competitive price flange,ISO,KS standard stainless steel flange1.ISO 9001-2000 2.150-2500Lbs 3.Weld Neck,Slip-On, ... Socket Weld,Lap Joint,Threaded, Orifice flange,Swivel flange 4.OEM Service ... SteelASTM A182 F1/F5/F9/F11/F22/F91/Etc.Duplex stainless steelASTM A182 F51/F53/F55/F60 Nicke alloysNickel 200, ...