... , GB, UNI,API lap joint flang stub end Technics: Forged Size: from 1/2 to 48(DN15-DN6000) Types Of Products: Wnrf ... 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 ...