SEV Metal seated ball valve is suitable for various harsh working conditions, mainly used for the transportation of high temperature, slurry, dust. It not only has various advantages of general industrial ball valves, but also has unique excellent characteristics in terms of heat resistance, especially in areas where soft seat is impossible to work, such as pipeline high friction dust, slurry and solid impurities. After years of manufacturing experience, SEV metal seated ball valve from the structural design and manufacturing process to ensure the product safety in use, reliable sealing performance, convenient and stable operation.