Steven Levy Enterprises buys and sells new, unused, remanufactured, and used industrial surplus valves. Browse our surplus inventory of cast valves, control valves, instrumentation valves, lined & diaphragm valves, needle valves, valve actuators, and more. Industrial valves are mechanical devices that open, close, or partially obstruct passageways to regulate the flow of liquid or gas within a system. The flow of liquids or gases can be controlled using various types of valves. There are many different types of industrial valves that perform countless jobs from isolating to regulating flow in a variety of different industries, from ball and globe valves used in the power industry to butterfly valves in pharmaceutical processing to gate valves in oil and gas production. Tell us what surplus valves you have for sale or call us at 713-910-4337.