Animated Gif Showing Valve OperationSEDCO was the first private company to manufacture a Pressure Relief Valve for Automotive A/C applications. These valves are designed with a “soft seat”, utilizing specially engineered elastomer seals.

Each valve is 100% tested prior to shipment. And, SEDCO can perform all performance and endurance testing required by the major automobile manufacturers, in our state of the art laboratories. SEDCO actually wrote the original specifications that are commonly used by the OEM’s today.

The first SEDCO Automotive PRV was of Steel construction. Through years of engineering development and testing, the current valve is aluminum. It is now 1/4 the weight, 1/3 the size, and 1/2 the price of the original steel valves. Allow SEDCO to show you the latest in Automotive Relief Valve designs.