1. The electrical opening of the vacuum ball valve has been debugged before leaving the factory, and the user does not need to turn on the top of the electrical equipment to adjust the limit switch.
2. The appearance of the electric actuator should be kept clean for a long time. The actuator should not be kept in a humid or foggy environment for a long time. The surface of the actuator should not be stuck with water or liquid mixture to prevent water from entering the motor and causing the motor to malfunction.
3. The terminal of the motor should be dry and clean, and the housing of the electric actuator should be wiped regularly to prevent dust or foreign objects from entering the interior.
4 The medium of the vacuum ball valve is pure air or non-corrosive gas.
5. The sealing surface is polytetrafluoroethylene PTFE, using high temperature +150℃. The user can close the valve for 30-60 days, drip some liquid lubricating oil on the ball, and then ensure the sensitivity of the ball switch, so that Denso can easily drive the ball to roll, and then greatly increase the service life of Denso.
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