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, and the material of the sealing surface is an important factor to ensure the quality of the sealing surface.
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The electric actuator of valve is used to control the valve. If the valve cannot be opened and closed due to some factors, such as power failure, failure of the
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Pressure valve is a device used in hydraulic system to control and regulate liquid flow pressure.
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Because the seal plays a role in cutting and connecting, adjusting and distributing, separating and mixing media on the valve channel, the sealing surface is often subjected to medium corrosion, erosion, wear and easily damaged.
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01, cleaning methodThe welding slag, rust, and residue in the pipeline cause blockage or jam in the throttle orifice, guide part, and balance hole of the lower valve cover, resulting in strain and scratch on the spool surface and guide surface, and indentation on the sealing surface.
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Valves are not only widely used in various industries, but also the use of different environments, and some valves in harsh working environments are prone to problems.
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According to the role and use of gate valve and butterfly valve, the flow resistance of gate valve is small, and the sealing performance is good,
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Do you know the 9 misunderstandings of valve installation? Lets take a look!
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1. StomataThis is a small cavity formed in the metal by the gas that fails to escape during the solidification process, its inner wall is smooth,
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Due to the difference in upstream and downstream pressure, the flow of material through the valve is called pressure drop (△P) or differential pressure.
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