This standard specifies the product classification, technical requirements, test methods, inspection rules and other of the pneumatic industrial process control valves (also named as “control valve”) used for industrial process control system.
This standard is applicable to various pneumatic industrial process control valves composed of pneumatic actuator and valve (hereinafter referred to as "control valve"). And the relevant contents in this standard are also applicable to the independent pneumatic actuator and valve components.
This standard is not applicable to the control valves enduring the working conditions on which the State has specific requirements, such as the radioactive working conditions.
