The WABCO 12V Air Brake Pressure Protection Valve is designed to protect your air brake system from over-pressurization. This valve operates on a 12-volt system and features a fluoro rubber sealing for superior performance. Its compact design allows for easy installation in tight spaces, making it ideal for a variety of applications. The valve is designed to open at a predetermined pressure and close when the pressure drops below the set point. FleetPride is your First Click in Heavy Duty®.