A Ball valve is a quarter-turn rotary motion valve that uses a ball-shaped disk to stop or start the ow. Most ball valves are of the quick-acting type, which requires a 90° turn of the valve handle to operate the valve. Ball Valves are designed for use in hazardous and corrosive environment. All Ball Valves are preciously machined, designer durability and maximum eciency to provide high quality and low cost. Low operating torque with SS lever/Phenolic handle. Full or reduced bore for Perfect Flow. Working Pressure from 1000 PSI to 6000 PSI with PTFE seat.