Regulator valves control and maintain the pressure within a compressed air system. There are two types of regulator valves, which are direct acting and pilot operated. Direct acting regulator valves are used in applications where there is a constant demand for air flow, such as in an air line that supplies tools. Pilot operated regulator valves are used when the demand for air flow varies, such as in an air line that supplies air to a machine that is turned on and off. Air Compressor Services carries a variety of regulator valves specifically designed to help you keep your machinery moving. Order yours today!