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