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212023-04On April 17th, news came from the First Drilling Company of Bohai Drilling Company that the Gao32-Ping4 well, which was drilled by the 70025 drilling team, had completed drilling at 6088 meters,
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312023-03For stainless steel, it is generally considered that it is not easy to rust, but in fact, stainless steel can also rust.
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242023-03Flange butterfly valves are mainly used in industrial production pipelines. Their main function is to cut off the flow of media in the pipeline, or to regulate the flow of media in the pipeline.
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032023-03Hard seal butterfly valve refers to the "hard seal" with metal materials or other hard materials on both sides of the sealing pair.
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242023-02Knife gate valve can only be used to cut off rather than to throttle, and gate valve can throttle or switch.
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162022-12Installation environment and maintenance precautions of butterfly valve
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092022-12304 austenitic stainless steel (new standard 06Cr19Ni10 steel, old standard 0Cr18Ni9 steel) is widely used in petrochemical,
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182022-11?The installation of safety and relief valves in pressure vessels and the use of stop valves upstream and downstream are considered to be the last line of defense for equipment with internal pressure greater than atmospheric pressure.
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122022-11Electric gate valve is a widely used valve, which is mainly used in analog quantity regulation of medium flow in liquid, gas and air systems.
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212022-10?In winter, the temperature drops rapidly, and the valve often freezes. At this time, if it is not handled, the pipeline will be prone to failure.
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DONGGUAN JINYING VALVE AUTOMATION TECHNOLOGY CO., LTD.
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