Ring Type Joint Flange Size: 1/2" ~ 64"(DN15 mm ~ 1600 mm) Type: Slip-On, Welding ... 's requirement.The factory has possessed 5-ton Splint Hammer,2-meter ring rolling machine,1-ton Air Hammer,Heat-treatment equipment,sheet ... ,marking,washing,final inspection,packing,delivery. Ring Type Joint FlangeSize: 1/2" ~ 64"(DN15 mm ~ 1600 mm)Type: Slip-On, Welding ...