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022021-04Renewable energy is a natural green energy that does not emit pollutants or greenhouse gases. Its rapid development has laid a solid foundation for the construction of ecological civilization.
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262021-03The control valve is widely used in oil refining and chemical industry. It is used to control the flow rate, pressure and liquid level of the fluid in the production process...
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192021-03Working condition of high temperature including high temperature, high temperature Ⅰ Ⅱ, high temperature, high temperature Ⅲ Ⅳ, high temperature, high temperature Ⅴ level...
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122021-03The consensus in the industry is that the market environment has indeed changed profoundly.The industry generally believes that due to the increasingly saturated urban sewage
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052021-03How to promote the construction of the national carbon emission rights trading market (referred to as the "national carbon market") and complete the related targets of carbon emission reduction on schedule.
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292021-01Manual valve is a valve operated by handle and handwheel. It is a common valve used in equipment pipeline.Its handle, hand wheel rotation direction clockwise is closed, counterclockwise is open.
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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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