8-figure flang Size: from 1/2 to 200 inch (DN15- ... , BS, JIS, EN, JB, GB, HG, UNI, API CS,SS... 8-figure flang Technics: Forged Size: from 1/2 to 200 ... ; threaded Connection: Welding Varieties: Threaded Flange, Slip-On Flange (SO), Socket Welding Flange, Lap Joint Flange (LJF), Welding Neck Flange (WNF ...