Valve requirements for commercial metering stations?
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Gate valves and ball valves prove that the building is damaged too much and too frequently.
It should be equipped according to the level of trade transfer, otherwise it will be difficult to get recognition and there will be no business.
Can the brother upstairs explain it more clearly? Is it the valve leakage?
What he means is that gate valves and ball valves will only last a few years.
After a conventional valve has been used for a period of time, a lot of sand or other particles will deposit in the groove or joint surface, causing the valve to not close tightly and cause leakage.