Used Butterfly Valves are used for flow isolation and regulation in liquid, gas, and slurry handling systems across food, chemical, and industrial applications. Machinery & Equipment Company (M&E) offers a range of manual and actuated valves in carbon steel, stainless steel, and lined configurations. Inventory may include OEMs such as Bray, Demco, Quatrol, Trivaco, Keystone, DeZURIK, and Alfa Laval. Share your size, material, pressure rating, and actuation requirements and we can help match the right valve.