... ), hot galvanization, cold galvanization or colored electroplate, powder coating and so on. Types Of Jointing Faces: raised face; ring ... joint face; tongue and groove face; male and female face; lapped joint; flat face; threaded ... Flange, Welding Plate Flange, Welding Neck Collar, Welding-On Collar, Loose Plate Flange, Companion Flange, Plate (PL) Flange, Spectacle FLG8 ...