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Butterfly valves are a type of quarter-turn valve used to regulate or isolate the flow of liquids, gases, or slurries in a piping system. They consist of a circular disc (the "butterfly") that is mounted on a rotating shaft. When the valve is operated, the disc rotates 90 degrees, either parallel or perpendicular to the flow, allowing the valve to open or close. Butterfly valves are known for their lightweight, compact design, and simple mechanism, making them cost-effective and easy to install.
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