... , Process, and Waterworks industries.2.)ANSI, API, AWWA pipe flanges in carbon, stainless, alloys and chrome steel. Weld Neck, Slip on ... , Threaded, Socket Weld, Lap Joint, Orifice Flanges, Ring, and custom flanges4.)in sizes 1/2" to 203". 5.)Pressure classes - 75, 125 ...