51 54122 0007 Compatible Safety Valve for MAN SÜ Compressors

What does a compressor safety valve do?

This safety valve serves as a critical protection component within the air brake compressor system, preventing excessive pressure buildup that could damage the compressor or the braking circuit.

Compatible vehicles and engines

Designed specifically for MAN SÜ compressors, including models SÜ 353, SÜ 273, SÜ 313, SÜ 320, and SÜ 360, this component ensures the pneumatic system operates within safe limits. It is compatible with MAN OEM specifications and provides reliable performance under heavy-duty service conditions.

Installation and maintenance

The unit features a 17 BAR pressure rating and an M26 port connection for secure installation. Technicians should verify the port sizing and pressure requirements against the vehicle's service manual to ensure a precise fit during maintenance or overhaul.

System protection guidance

Regular inspection of the safety valve is recommended to prevent system failures caused by debris or spring fatigue. Maintaining correct pressure regulation is essential for the longevity of the entire air brake system.

OE cross-reference

7700 920 001 (Compressor Safety Valve) is the equivalent of the MAN OE number. This part directly replaces MAN OE number 51541220007.