Maintenance method of manual ball valve

The maintenance method of manual ball valve is as follows:

1. Check the appearance and connection parts of the ball valve regularly to ensure that there is no leakage and damage.

2. Clean the internal and external surfaces of the ball valve to ensure that the valve can be opened and closed smoothly.

3. Check the sealing gasket of the ball valve. If it is worn or aged, it should be replaced in time.

4. Lubricate the moving parts of the ball valve regularly and use suitable lubricants.

5. Maintain the flexibility of the operating rod and handwheel of the ball valve to ensure its normal operation.

6. Avoid over-tightening the operating rod and handwheel to avoid damaging the valve.

7. Check the bolts and nuts of the ball valve regularly to ensure their tightness.

8. Check the sealing performance of the ball valve regularly to ensure its normal operation.

9. Avoid long-term non-use of the ball valve. The ball valve should be opened and closed regularly to prevent it from getting stuck.

10. If the ball valve is found to have abnormal conditions or failures, it should be repaired or replaced in time.