TRANSFLOWASIA PFA lined ball valves are ideally suited for corrosive applications, requiring reliable performance, tight shut-off, constant torque and no maintenance. The valves successfully handle a multitude of corrosive applications in industries such as chemical, petro-chemical, pharmaceutical, pulp and paper, foundries and mining and like sulphuric acid, etc. Some of the special features of our valves are Bubble tight shut-off, precision machined ball and seats guarantees an absolute leak-free valve, Full bore offers high CV value equal to the pipe, Constant torque: the unique two-piece body construction together with the spring loaded seats guarantee a constant torque even after months of operation, The self adjusting packing is maintenance free and provides a leak free stem seal. The hand lever features a positive locked position in the open and closed position.