NACOM's PTFE BALL VALVE is constructed entirely 100% of virgin comprssion molded PTFE. This enables the valve to resist attack from both media and environment. The chemical inertness and non contaminating character istics of PTFE allow the valve to be used for corrosive or ultra-pure solutions. This ruggedly constructedBall valve is designed for easy operation, The valve turns on and off with a 1/4 turn. We utilize resilient lio-type seats which are replaceable if needed. to assure low torque and positive sealing.