... Slip-On, Welding Neck, Blind, Socket Welding, Threaded Ring Type Joint FlangeKum Kang fittings Co. specializes in producing Slip-On,Weld ... rings below Φ2000.We have the whole quality control system which covers every process of the manufacturing-Raw material inspection ... ,machining,drilling,marking,washing,final inspection,packing,delivery. Ring Type Joint FlangeSize: 1/2" ~ 64"(DN15 mm ~ 1600 mm)Type: ...