Fluorine plastic anticorrosive valve in the petroleum, chemical industry, medicine, metallurgy, electric power industries in contact with acid and alkali of strong corrosive medium, such as device has been widely used, but on how to choose good, with good lining fluorine plastic valves, according to our customers for many years field application experience, transform fluorine plastic anti-corrosion valve selection to medium temperature, pressure, pressure used several conditions following note rubber lining valves: Temperature of medium used for fluorine-lined plastic valves Lined with fluorine plastic valve, the use of fluorine plastic is F46(FEP), the use of the medium temperature can not exceed 150℃(medium temperature short time to 150℃, long time use temperature