Steven Levy Enterprises buys and sells new, unused, and used industrial surplus lined valves and diaphragm valves. Browse our inventory of lined valves and diaphragm valves available for purchase. Lined valves are the safe and reliable solution to any level of corrosion hazard.The lining of the valves and fittings ensures an extremely high chemical resistance and longevity. Diaphragm valves are flow control devices that offer precision regulation to liquid, gas, and semi-solid slurry flows alike. Tell us what surplus lined valves and diaphragm valves you have for sale or call us at 713-910-4337.