... Flange Type:Slip-On, Welding Neck, Blind, Socket Welding, Threaded, Lap Joint and Plate etc.Pressure Ratings:Class 150, 300, 600 ... . Specializes in producing Slip-On, Weld Neck, Socket Weld, Threaded, Lap Joint and Plate Flanges to ANSI, BS, DIN, JIS, UNI ...