51 54122 8001 MAN LION´S COACH D2676 Safety Valve Equivalent

What does a compressor safety valve do?

This compressor safety valve plays a critical role in the pneumatic brake system by preventing overpressure conditions within the air compressor. It functions through a mechanical opening mechanism to release excess air, ensuring the integrity of the braking circuit during operation.

Vehicle and engine compatibility

Designed specifically for MAN LION´S COACH models including C 480, 440, L 440, 400, C 440, and L 480 with D2676 engines. This component is essential for maintaining stable air pressure in heavy commercial vehicle pneumatic systems. Consult your authorized distributor.

Installation and maintenance

The valve features a 17 BAR pressure rating and an M26 threaded port connection. When replacing this component, technicians should verify that all connection points are clean and that the sealing surfaces are free of debris to ensure a proper airtight fit.

Troubleshooting guidance

Regular inspection of the safety valve is recommended to prevent system malfunctions. If pressure relief occurs unexpectedly during normal operation, it may indicate a need for component replacement to maintain system reliability.

OE cross-reference

7700 920 001 (Compressor Safety Valve) is the equivalent of the MAN OE number. This part directly replaces MAN OE number 51541228001.