Fluoropolymer-lined butterfly valves: two options for sealing

摘要

Fluoropolymer lined valves, which are corrosion resistant to various chemicals, are important products used for severe processes in petrochemical, chemical, pharmaceutical, food and semiconductor plants. The most popular are several types include ball, butterfly, plug and diaphragm valves. Butterfly valves are typically used in larger sized lines. There are two options for lining/sealing: PTFE and PFA.