Control valve selection principle

1. According to the process conditions, select the appropriate structure and material.
2. According to the characteristics of the process object, select the flow characteristics of the control valve.
3. According to the process operation parameters, select the appropriate control valve size.
4. According to the requirements of the process, select the required auxiliary devices.
5. Reasonably select the execution agency. The response speed of the actuator should be able to meet the process requirements.