The pneumatic American standard fluorine lined regulating valve Class150 is mainly composed of a thin film pneumatic actuator with a steel lined PTFE valve body and locator. PFA, FEP, PTFE can be selected for the fluorine lining. The pneumatic actuator selects the corresponding torque according to the size of the valve, and adjusts the pipeline medium flow rate through the valve positioning 4-20mA analog input.
