Collection: Semi-Truck Emergency Relay Valves

Emergency Relay Valves are critical safety components in air brake systems, designed to automatically activate the spring brakes during system failure or significant air pressure loss. These valves combine the functions of a service relay and emergency valve, ensuring rapid brake application in emergency situations while maintaining service braking performance under normal conditions. Commonly used on trailers and tractors, Emergency Relay Valves are essential for DOT-compliant braking systems and reliable fleet safety.

MaxiTrucks offers a full range of Emergency Relay Valves built with robust materials, precise air control, and OEM-compatible designs. Each valve is engineered for dependable performance in high-pressure applications, ensuring quick reaction times and secure brake engagement when it's needed most.

7 products