Features of the two-way pressure three-eccentric butterfly valve product

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　　What are the features of the two-way pressure three-eccentric butterfly valve? The two-way pressure three-eccentric butterfly valve is a new patented product developed by Shanghai Dongbao Valves based on market demands, through research into the structure of hard-seal butterfly valves available domestically and internationally, as well as through the process of analyzing, absorbing, and summarizing relevant technologies. This product features a new \"obliquely arranged elliptical disc radial dynamic balance sealing structure,\" which ensures zero leakage in both forward and reverse sealing for metal hard-sealed butterfly valves. It is particularly suitable for applications with high requirements for reverse sealing, and represents a high-tech product that is truly at the international leading level. 　　Since its mass production, the bidirectional pressure three-eccentric butterfly valve has generated significant economic and social benefits, and is highly popular among both new and existing users. High-performance two-way metal hard-sealed butterfly valves are widely used in industries such as metallurgy, hydropower, thermal power, heating, urban water supply and drainage, and agricultural irrigation. The media they can handle include gas, steam, air, water, etc., and they are used in pipeline systems to shut off or connect such media. The two-way metal hard-sealed butterfly valve is mainly composed of a valve body, a butterfly disc, a valve shaft, a valve body seal ring, a butterfly disc seal ring, a shaft sleeve, self-lubricating bearings, and a driving mechanism. The main features of the two-way pressure three-eccentric butterfly valve are: 1. Unique structure, compact size, and lightweight design, as well as easy operation ； 2. The butterfly valve features a streamlined design, offering high strength, a large flow area, low flow resistance, and energy savings ； 3. It features a reliable two-way sealing function, making it an essential product for systems that require two-way isolation. Its installation is not restricted by the flow direction of the medium nor by spatial constraints, allowing it to be installed in any direction. 4. The materials of the sealing pair (butterfly valve seal ring – valve body seal ring) are stainless steel, and they have undergone special treatment; they offer the advantages of both metal hard sealing and elastic sealing, featuring corrosion resistance, wear resistance, high-temperature tolerance, and a long service life ； 5. It features a three-dimensional eccentric structure, ensuring high precision in the machining of the butterfly plate and valve seat sealing surfaces. At the moment the butterfly valve opens, the sealing surfaces are completely separated ； The butterfly valve operates with almost no friction during closure, allowing for easy closing. It features a self-locking function that becomes tighter as pressure increases, as well as self-sealing capabilities; its sealing performance is stable and reliable ； 6. It adopts a \"radial dynamic balance sealing structure\" design, which results in extremely low resistance when the butterfly plate is opened and ensures zero leakage in both the inlet and outlet areas of the butterfly valve. During the opening and closing process, the sealing surface of the butterfly valve can instantly and rapidly reach all points along a 360° circle, thereby enabling a fast and accurate sealing action in which the contact surfaces close together automatically ；