How to maintain the valve to make it better service for us?

1. The valve should be stored in a dry and ventilated room and blocked at both ends of the access.
2. The valve installed and in use should be inspected regularly to ensure its normal operation.
3. Check whether the sealing surface of valve is worn, and repair or replace it according to the situation.
4. Check the valve stem and stem nut. If the packing is outdated, and replacement should be carried out.
5. The sealing performance of the valve shall be tested to ensure its performance.
6. The valve in operation should be in good condition, flange and bracket bolts are complete, threads are not damaged, no loosening phenomenon.
7. If the valve is used in a poor environment, vulnerable to rain, snow, dust, sand and other contaminants, it should be installed for the valve stem protective cover.