What should be paid attention to when the pneumatic valve is closed?
1. When using field operation to completely close the valve, please stop closing the electric valve before closing the valve, and use inching to close the valve in place.
2. For the regulating valve of travel and over torque controller, when the valve is fully opened or closed for the first time, its control over travel shall be monitored. If the valve is switched to this position and does not stop, it should be stopped manually immediately.
3. In the process of opening and closing the valve, if the signal indicator is wrong and the valve makes an abnormal sound, it should be closed for timely inspection.
4. After successful operation, turn off the power supply of the pneumatic butterfly valve.
