... , SW, THREADED 1/2" -80" DN15 to DN2000 CS, SS, FORGED FLANGE Standards: ANSI(ASME), AWWA, DIN, EN1092, GOST, JIS, BS, UNI ... Company Hebei Xinfeng High-Pressure Flange and Pipe Fitting Co., ltd is specialized in manufacturing and exporting forged flanges and buttwelded pipe ...