... , BS, JIS, EN, JB, GB, HG, UNI, API CS,SS... high pressure flang Technics: Forged Size: from 1/2 to 200 inch ... Flange, Slip-On Flange (SO), Socket Welding Flange, Lap Joint Flange (LJF), Welding Neck Flange (WNF), Blind Flange, Orifice Flange, Reducing Flange, Pad Type Flange, Loose Hubbed Flange, Welding Plate Flange ...