1935691 Unloader Valve for Scania Trucks

What does an unloader valve do?

This unloader valve plays a critical role in the pneumatic brake system by managing air pressure regulation. It functions as an air pressure relief component, ensuring that the compressor system maintains optimal pressure levels throughout the braking cycle. Built with high-strength components, it provides the durability required for heavy-duty commercial operations.

Vehicle and system compatibility

This component is designed for Scania trucks and is compatible with Scania systems. Its precise engineering ensures seamless integration into the existing air brake architecture of the vehicle, maintaining consistent performance under varying load conditions.

Installation and maintenance

Installation requires attention to the specific port sizes to ensure a leak-free seal. This unit features M22x1.5 ports (Port 1 and Port 21) and M12x1.5 ports (Port 4, Port 22, and Port 23). Technicians should verify the cut-out pressure settings of 8.1 BAR / 0.2 BAR during assembly to ensure system compliance.

Troubleshooting and selection

Regular inspection of the inflation valve status is recommended to prevent pressure drops in the pneumatic circuit. Check the compatibility list to ensure this part meets your specific vehicle requirements.

OE cross-reference

301.01.0002 (Unloader Valve) is the equivalent of the Scania OE number. This part directly replaces Scania OE number 1935691.