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Stainless steel valve is made of stainless steel and has a handle, turbine, pneumatic, electric and other transmission structures. It is flexible and light to switch, compact in structure, light in weight, easy to heat preservation, easy to install, and has excellent sealing performance and corrosion resistance. Connection methods include welding, thread, flange, etc. Stainless steel valves are wi...
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The spool ball of the floating ball valve moves between the two seat sealing rings with the help of medium pressure, while the spool ball of the trunnion mounted ball valve is connected with the valve stem and rotates around the center of the valve stem, and the floating seat support ring. Floating Ball Valve The ball of the floating ball valve is floating. Under the action of medium pressure, the...
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With the continuous development of industry, there is an increasing demand for ball valves, especially ball valves under high temperature and high pressure harsh conditions. Ball valves are required to have higher performances such as wear resistance, erosion resistance, high temperature resistance, and corrosion resistance. Although the traditional full-bore ball valve has surface hardening treat...
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With the rapid development of the economy and the increase of large-scale petrochemical engineering projects, more and more high-temperature hard-sealed ball valves are widely used in the fields of petroleum, chemical industry, steel, metallurgy and hydropower. Compared with soft-sealed ball valves, the sealing material and design structure of hard-sealed ball valves are better suitable for high-t...
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The eccentric half ball valve has the advantages of rapid opening and closing, light weight, small flow resistance, wedge-shaped principle can be used to remove fouling when closing, and is convenient for air control and electric control, etc., and has been widely used in various industries. A new self-sealing structure of the sealing pair is designed for the application of the eccentric half ball...
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Overview Ultra-low temperature butterfly valves are mainly used in pipeline systems of liquefied natural gas and liquid nitrogen to control the opening and closing or adjustment of the pipeline equipment. The product adopts a double offset structure and an elastic metal sealing structure. The double offset structure can greatly eliminate unnecessary overloading and scraping of the disc and sealing...
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