PTFE Lined Diaphragm Valve

ALIS Valves offers PTFE Lined Diaphragm Valves for industrial applications requiring reliable flow regulation, tight shut-off and resistance to corrosive chemicals. These valves feature a PTFE (polytetrafluoroethylene) lining that provides a chemically resistant barrier between the process media and the valve body. A flexible diaphragm moves to open, regulate or close the flow passage while isolating the operating mechanism from direct contact with the process fluid. This design helps reduce leakage risks around the stem area and supports reliable operation in compatible chemical handling applications. The diaphragm and lining materials are selected according to the chemical composition and operating conditions of the process media.

PTFE Lined Diaphragm Valves are suitable for applications in chemical processing plants, pharmaceutical manufacturing, water treatment facilities, acid handling systems and other industries involving corrosive fluids. They can be used for compatible acids, alkalis and other chemical solutions within the specified pressure and temperature limits. Important selection factors include chemical compatibility, operating pressure, temperature, flow rate, valve size, PTFE lining thickness, diaphragm material, body construction and end connection type. Selecting the appropriate PTFE Lined Diaphragm Valve helps support effective flow control, dependable sealing and reliable performance under the intended operating conditions.