... -On, Welding Neck, Blind, Socket Welding, Threaded Ring Type Joint FlangeKum Kang fittings Co. specializes in producing Slip-On,Weld ... ring rolling machine,1-ton Air Hammer,Heat-treatment equipment,sheet-metal processing equipment and detection equipment,which is capale ... Type: Slip-On, Welding Neck, Blind, Socket Welding, Threaded, Lap Joint and Plate etc. Pressure Ratings: Class 150, 300, 600, 900, ...