Plate-type flat welding flange

　　Plate-type flat welding flange is to open a few holes for fixing on circum of plate-shape of metal body. It is often used in connecting other things. It must be used in double. Use the bolt to connect two flanges. Industrial flanges include threaded connection (Wire connection) flange and welding flange. Our plate-type flat welding flange includes ASME B16.5, ASME B16.47, DIN 2634, DIN 2635, DIN 2630, DIN 2636, DIN 2637 and DIN2632 etc. The flange has low cost, its material is common and manufacture is simple. The flange is widely used in electric power, petroleum and natural gas, petrochemical, chemical industry, shipping, heat supply, paper-making and metallurgy etc.