The Bendix R-12DC® Series Air Brake Relay Valve is designed to increase driving efficiency and security. This valve acts as a relay station, accelerating the application and release of the brakes. It is possible to mount the valve either on the reservoir or flange, and its compact design makes it easy to install and maintain. This valve is a reliable and efficient choice for your air brake system. FleetPride is your First Click in Heavy Duty®.