https://cwtvalve.com/butterflyvalve.php Buy High-performance butterfly valves from CWT Valve Industries Butterfly valves are flanged double eccentric types, and butterfly valves are used to control the flow of fluids, typically liquids or gases, through a pipeline. The valve consists of a disc or plate that is mounted on a rod in the centre. A butterfly valve is a quarter-turn optional motion valve that is used in pipelines to shut off flow and can also be used to regulate the flow. Valve are used in a wide variety of process media and industries, especially in water supply, collection, and distribution, as well as pumping stations. https://cwtvalve.com/butterflyvalve.php Butterfly_Valve