... : ANSI, DIN, BS, JIS, EN, JB, GB, UNI,API lap joint flang stub end Technics: Forged Size: from 1/2 to ... and so on. Types Of Jointing Faces: raised face; ring joint face; tongue and groove face; male and female face; lapped ... Connection: WeldingVarieties: Threaded Flange, Slip-On Flange (SO), Socket Welding Flange, Lap Joint Flange (LJF), Welding Neck Flange (WNF), Blind Flange, Orifice ...