... JIS,DIN,UNI,BS Specification:DN10~DN3000 Material: SF440, 304, 304L, 316, 316L,A105, SS400, S235, Q235. The main flange products of ... flanges, Slip-on flanges, Blind flanges, Threaded flange, Plate flange, Lap joint flange and Socket welding flange etc., with specification from 1/2"(DN15 ... ASA, API-605, AWWA-c207, MSS-sp44;b)Kinds of flange:Slip-on, Welding Neck, Blind, Threades, Lap-joint, Socket ...