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222021-01Pre-maintenance of new valves before operation is a progressive construction concept to protect valve seat seals from seat damage during installation, welding and commissioning
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152021-01As the control part of the fluid conveying system, the valve has the functions of cut-off, regulation, flow diversion, countercurrent prevention, diversion and pressure relief. There are many kinds and various specifications.
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082021-01The sealing surface is the most critical working face of the valve, the quality of the sealing surface directly affects the service life of the valve
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252020-12In recent years, with the large-scale development and utilization of natural gas resources in China, the consumption of natural gas has increased greatly in the fields of power generation, civil use, transportation and chemical industry.
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182020-12After entering winter, the temperature drops rapidly, the valve often appears the situation of freezing.If left untreated at this point, the pipeline is vulnerable to failure.If it is in some high-risk conditions...
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112020-12The electric explosion-proof ball valve has the characteristics of simple structure, quick switching, large flow capacity, zero leakage and so on. It is suitable for the occasions of high viscosity, containing fiber and solid particle fluid.
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042020-12Recently, the Official website of the State Administration for Market Regulation issued an announcement, in order to further standardize the approval work of special equipment inspection institutions...
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272020-11What does the valve arrow on the body mean?The arrow on the body indicates the recommended pressure direction of the valve, not the direction of medium flow...
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202020-11"Master Huang, your special tool for air valve is so easy to use. I am replacing a valve plate and buffer plate now. It only takes 5 minutes."November 12, after replacing the valve plate and buffer plate of an air valve of Compressor no. 4
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132020-11The use of pneumatic ball valves requires good maintenance of these equipment.It is also a very complicated job to maintain the equipment.It's a lot of work...
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DONGGUAN JINYING VALVE AUTOMATION TECHNOLOGY CO., LTD.
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