Size Forged Ss Weld Neck Flange

　　Size Forged Ss Weld Neck Flange, commonly known as live sets of flanges, sub-welding ring live sets of flanges, Flanging Looper flanges and welded flanges. Commonly used in medium temperature and pressure are not high and medium corrosive situation. When the medium is corrosive, the flange contact part of the medium for the corrosion-resistant high-grade materials such as stainless steel and other materials, while the external use of low-grade materials such as carbon steel flange ring clamping it To achieve a seal.