... Flat, Slip-on,Bind ,Welding neck etc LOOSE FLANGE(1) Flanges Type: Plate Flange, Flat Flange, Slip on Flange, Welding ... Long Welding Neck Flange, Blind Flange, Socket Welding Flange, Thread Flange, Screwed Flange, Lap Joint Flange(2) Flanges Standards: ANSI, ASME, ... Steel flanges ASTM A182 F1, F5a, F9, F11, F12, F22, F91(4) Connection Type: Raised Face, Flat Face, Ring Type Joint, Lap-Joint Face, ...