Metal Seated Ball Valve(Floating Ball Valve & Trunnion Valve) is most suitable for shut-off function,which is ANSI 2500# . 202B series metal seated ball valve is particularly ... ,chemical,power plants ,metallurgy and so on.Metal Seated Ball Valve(Floating Ball Valve & Trunnion Valve)Standard Specifications Series:202B (which is ANSI 2500# )Body ...