Metal Seated Ball Valve(Floating Ball Valve & Trunnion Valve) is most suitable ... shut-off function,which is ANSI 2500# . 202B series metal seated ball valve is particularly designed to fulfill the requirements of ... oil ,petrochemical ,chemical,power plants ,metallurgy and so on.Metal Seated Ball Valve(Floating Ball Valve & Trunnion Valve)Standard Specifications Series ...