The Haldex Remanufactured QR-1C Air Brake Quick Release Valve is a reliable and efficient solution for the emergency side of your spring brakes. This valve is designed to prevent the simultaneous application of the emergency side of the spring brakes and features a double-check valve for added safety. This valve is an excellent choice for your air brake system as it offers the best performance. FleetPride is your First Click in Heavy Duty®.