... : Welding Flange Flanges: (1) Flanges Type: Plate Flange, Flat Flange, Slip on Flange, Welding Neck Flange, Long Welding Neck Flange, Blind Flange, Socket Welding Flange, Thread Flange, Screwed Flange, Lap Joint Flange (2 ... flanges ASTM A182 F1, F5a, F9, F11, F12, F22, F91 (4) Connection Type: Raised Face, Flat Face, Ring Type Joint, Lap ...