51 54122 8001 Compressor Safety Valve for MAN TGS I

What does a compressor safety valve do?

This compressor safety valve serves as a critical protection component within the pneumatic braking system. It operates by utilizing a calibrated mechanical mechanism to vent excess air, preventing overpressure conditions that could damage the compressor or downstream air lines. Built with high-strength components, it ensures the integrity of the air brake system under demanding heavy commercial vehicle service conditions.

Compatible vehicles and engines

This specific valve is engineered for MAN TGS I trucks equipped with D2676 engines. It is compatible with various configurations including the 35.480, 33.540, and 41.440 models, ensuring precise pressure management for these heavy-duty applications. The component features an M26 port and is rated for 17 BAR operating pressure.

Installation and maintenance

For optimal performance, technicians should inspect the valve during routine air system maintenance. Ensure the M26 threaded connection is seated correctly to prevent leaks and verify that the relief threshold aligns with the vehicle manufacturer's specifications. Proper installation ensures the safety valve functions as the first line of defense against system overpressure.

System protection

Maintaining high-strength components in the air brake compressor assembly is vital for fleet safety and vehicle uptime.

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.