... (DN15-DN6000) Standard: ANSI, DIN, BS, JIS, EN, JB, GB, UNI,API lap joint flang stub end Technics: Forged Size: ... 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 ... 2282 6091-6093 (Rst37.2, S235jrg2, A105 ) flange and lap joint flang stub end