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242022-09Recently, the Ministry of Water Resources, the National Development and Reform Commission,
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172022-09?Valve welding inspection is generally divided into two parts:
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092022-09Carefully read the valve manual to understand the basic structure and principle
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022022-09On August 29, I learned from the Xinxing Geophysical Exploration and Development Office,
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262022-08Today, when the "dual carbon" cause is deeply rooted in the hearts of the people, the green cause has become a new carrier of economic development
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192022-08If there is leakage beyond the rated range between the valve disc and the valve seat of the safety valve, it will cause the loss of the medium.
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122022-08Check valve refers to a valve that automatically opens and closes the valve flap by relying on the flow of the medium itself to prevent the backflow of the medium.
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052022-08On August 2, the special hot work of No. 149 valve room of the second line of the national pipeline network from west to east was held in Changjiang Village, Chijiang Town, Dayu County.
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292022-07A key national oil and gas infrastructure project, Changqing Oilfield Sudong 39-61 gas storage was officially completed and put into production.
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222022-07Welding slag, rust, slag, etc. in the pipeline cause blockage or jam in the throttle, guide part, and balance hole of the lower bonnet, resulting in strain and scratches on the curved surface of the valve core,
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