lap joint flang stub end Size: from 1/2 to 200 ... inch (DN15-DN6000) Standard: ANSI, DIN, BS, JIS, EN, JB, GB, UNI,API lap joint ... flang stub end Technics: Forged Size: from 1/2 to 48 ... Slip-On Flange (SO), Socket Welding Flange, Lap Joint Flange (LJF), Welding Neck Flange (WNF), Blind Flange ... , S235jrg2, A105 ) flange and lap joint flang stub end