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Daily Maintenance Of Valves
Nov 15, 2018

1, valve storage environment should be noted, should be stored in a dry and ventilated indoor, and clogging the two ends of the pathway.

2, the valve should be regularly inspected, and remove the dirt on it, smear the coating rust resistant oil on its surface.

3, the installation of the application of the valve, should be regularly overhauled to ensure that it is working properly.

4, should check whether the valve sealing surface wear, and according to the situation for repair or replacement.

5, check the stem and stem nut trapezoidal thread wear, whether the filler is outdated failure, and so on, and carry out the necessary replacement.

6, the sealing performance of the valve should be tested to ensure its performance.

7, the operation of the valve should be intact, flange and bracket on the complete bolts, thread non-destructive, no loosening phenomenon.

8, such as the loss of handwheel, should be timely matching, and can not be replaced by live wrench.

9, filler cover does not allow skew or no pre-tightening clearance.

10, if the valve use environment is relatively bad, vulnerable to rain and snow, dust, wind and sand and other dirt contamination, you should install a protective cover for the stem.

11, the ruler on the valve should be kept complete, accurate, clear, valve seal, cap.

12, insulation jacket should be no sag, cracks.

13, the operation of the valve, to avoid banging on it, or support heavy loads and so on.