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(DN15-DN6000) Types Of ... Flange, Slip-On Flange (SO), Socket Welding Flange, Lap Joint Flange (LJF), Welding Neck Flange (WNF), Blind Flange, ...