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042018-08The ethylene glycol unit No. 2 of the Shanghai Petrochemical Department, through optimizing production...
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282018-07Over the years, with the increase in the amount of oxygen, large oxygen users have used oxygen pipelines. Due to the long length of the pipeline, the distribution is wide, plus...
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212018-07Recently, a speech by Xin Guobin, deputy minister of the Ministry of Industry and Information Technology and director ...
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142018-07Nowadays, the valve market is mixed, and unscrupulous traders are making huge profits. The counterfeit and refurbished valves are shoddy, which brings great safety hazards to the installation project.
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062018-07After decades of development, China's valve industry has developed thousands of valve manufacturers. Although the number is large...
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302018-06At present, there are more than 30 valve companies listed in the country. According to the disclosed annual report data...
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232018-06Stainless steel is an abbreviation for stainless acid resistant steel. It is resistant to air, steam, water and other weakly corrosive media or stainless steel.
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162018-06Recently, the Ministry of Industry and Information Technology released Document No. 23 of 2018, approving 594 industry standards and 63 industrial measurement technical specifications. Among them, the four valve industry...
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062018-06First, DN (Nominal Diameter) means the nominal diameter of the pipe, which is the average of the outside diameter and inside diameter. The value of DN = value of De - 0.5 * tube wall thickness. Note: This is ...
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302018-05A) Direction and location Many valves have directionality, such as cut-off valves, throttle valves, pressure reducing valves, check valves, etc. If they are reversed, they will affect the use effect and life...
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