Features Two way on off, 3 or 4 way swiching models. Blow-Out Proof Bottom Loaded stem. Low operating torque with SS lever/Fenolic handle. Full or reduced Bore for Perfect Flow. Floting ball design for positive seating. Working Pressure from 1000 PSI to 6000 PSI. With PTFE seat. AK Industries range of Ball Valves are designed for use in hazardous and corrosive environment. All Ball Valves are preciously machined, designer durability and maximum efficiency to provide high quality and low cost. ApplicationProcess Control, Instrumentation.