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Daily maintenance of valve
Apr 08, 2018

Daily maintenance:

1, the valve storage environment should be noted that it should be stored in a dry and ventilated room and clogged both ends.

2, valves should be regularly checked, and the dirt on them should be removed and smeared with antirust oil on the surface.

3, install and apply the valve after repair regularly, so as to ensure its normal work.

4, we should check whether the valve seal face is worn or not, and repair or replace it according to the situation.

5, check trapezoidal thread wear of valve stem and stem nut, whether packing is out of date or not, and make necessary replacement.

6, we should test the sealing performance of the valve to ensure its performance.

7, the valve in operation should be intact, the bolts on the flange and bracket are complete, the thread is nondestructive, and there is no loosening phenomenon.

8, if the hand wheel is lost, should be promptly filled, and cannot be replaced by wrench.

9, packing gland is not allowed to be skewed or no pre tightening gap.

10, if the valve's working environment is bad, it is easy to be contaminated by dirt such as rain, snow, dust and wind sand, so we should install a protective cover for the valve stem.

11, the valve rod should maintain complete, accurate, clear, seals, valve cap.

12. There should be no sag and crack in the insulating jacket.

13, running the valve, avoid beating, or supporting heavy objects.