... : Slip-On, Welding Neck, Blind, Socket Welding, Threaded Ring Type Joint FlangeKum Kang fittings Co. specializes in producing Slip-On,Weld ... heat treatment,machining,drilling,marking,washing,final inspection,packing,delivery. Ring Type Joint FlangeSize: 1/2" ~ 64"(DN15 mm ~ 1600 mm ... Slip-On, Welding Neck, Blind, Socket Welding, Threaded, Lap Joint and Plate etc. Pressure Ratings: Class 150, 300, 600, ...