51 54122 0011 Compressor Safety Valve for MAN TGX I

What does a compressor safety valve do?

This compressor safety valve serves as a critical protection component within the pneumatic brake system. It functions by mechanically opening to vent excess air when pressure reaches specific thresholds, preventing over-pressurization of the air reservoir and connected lines. This ensures the stability of the braking system under intensive use.

Compatible MAN TGX I vehicles and engines

This component is specifically engineered for MAN TGX I trucks, including models such as the 18.360, 24.400, and 35.440, equipped with D2066 engines. It is a reliable replacement part that maintains system integrity across various heavy commercial vehicle configurations.

Installation and maintenance

Installation requires precision to ensure the M26 threaded connection is properly seated against the compressor housing. Technicians should verify that the 17 BAR relief threshold aligns with the specific vehicle service requirements during assembly to ensure optimal pneumatic performance.

System reliability and inspection

Regular inspection of the relief valve is recommended to prevent leaks or premature opening caused by debris or mechanical wear in the air line.

OE cross-reference

7700 920 001 (Compressor Safety Valve) is the equivalent of the MAN OE number. This part directly replaces MAN OE number 51541220011.