... 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 Standards ... F1, F5a, F9, F11, F12, F22, F91(4) Connection Type: Raised Face, Flat Face, Ring Type Joint, Lap-Joint Face, Large ... B2313 EN: EN10253-1/2, EN10253-2 STAINLESS (CARBON) STEEL FLANGE