This standard specifies the definition, technical requirements, test methods, inspection rules, marking, packaging and storage of industrial valve pneumatic devices. This standard applies to linear pneumatic devices with linear motion for industrial valves, as well as rotary pneumatic devices with rotary motion (360° rotation), and pneumatic devices with electromagnetic control. The usage conditions of pneumatic devices are as follows: Working pressure: 0.4MPa~0.7MPa; Working environment: temperature -20℃~80℃; The air source should be clean, dry air and must not contain corrosive gases, solvents or other liquids;