... hubbed flange Tread flange,Blind flange socket welding flange lap joint flange Material : 1. Carbon Steel :ASTM A105,20, ... Groove TG 4.Flat Face FF 5.Ring Joint RJ Type of connection: 1.Threaded Th 2 ... flange cover(FC) Blind flange(BF) 12.lap joint flange 13.Loose plate Fange 14.Full Face(FF ... variety of flange are applied to industry such as machinery, petrochemical industry etc. Pls feel free to contact ...