303.02.0058 Multi-circuit Protection Valve — FAUN

The multi-circuit protection valve serves as a vital safety component within the pneumatic brake system of heavy commercial vehicles. Its primary function is to manage air pressure distribution across different circuits, ensuring that a failure in one circuit does not compromise the entire braking system. This component is engineered with high-strength components to maintain consistent pressure regulation under demanding operational conditions.

303.02.0058 is the OE equivalent of the FAUN 99707007310 and WABCO 934 705 004 0 multi-circuit protection valve used in heavy commercial vehicle braking systems. This part is designed to meet strict technical requirements for compatibility with FAUN and WABCO systems, providing reliable performance in professional transport environments.

For workshop technicians, this valve features specific port configurations including M22x1,5 and M12x1,5 threads to ensure seamless integration into existing pneumatic lines. Proper installation requires attention to the opening and closing pressure thresholds—specifically the 7,5 BAR opening pressure for ports 22/24 and the 4,5 BAR closing pressure for ports 22/24—to maintain system integrity and prevent diagnostic errors during routine maintenance.