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Flanged Concentric Butterfly Valve

Basic informationThis Flanged is used in various service and drain lines as truncation and regulating equipment.Features1. Bidirectional sealing, no flow direction of the medium;2. Valve body vulcanized EPDM, reliable sealing;3. A dial with an opening indication showing the position of the disc switch;4. Flow characteristics straight line, good regulation performance.PrincipleThe rotary center of the flanged butterfly disc (that is, the center of the stem) is located on the centerline of the valve body and the sealing surface section of the disc. When the disc is closed, the disc's circular sealing surface squeezes the synthetic rubber seat so that the seat produces elastic deformation and forms the elastic force to seal thebutterfly valve. If the remote control is required, different types of electric devices can be equipped according to different working conditions.



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