Valve maintenance and use
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The discussion of valve maintenance and use focuses on the arid and windy areas in the north.
1. The temperature difference changes greatly, so heat tracing and insulation are necessary. 2. The valve stem packing seal must be kept lubricated, and measures must be taken to protect the valve stem to prevent sand from entering the packing and causing damage.
It’s best to bring a cover, canvas will do.
This is mainly a management issue. For valves, the following points should be done:: 1. Do not force it to open when the switch is not working. 2. Perform regular maintenance and grease. 3. It is best to get a canvas cover to cover it. 4. Designate personnel for management.