... 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 Flange Size1/2"-72"TypeWeld Neck, Slip ... -On, Blind, Socket Weld, Lap Joint, Threaded, Orifice Flange, Swivel Flange, Spectacle Blind,Etc.StandardANSI, ASME ,MSS, API, DIN ...