High Quality for Spare Parts Trailer - SINOTRUK HOWO Truck Parts Relay Valve WG9000360524 – JieCheng

Basic information

The air inlet of the relay valve is connected to the air reservoir, and the air outlet is connected to the brake air chamber. When the brake pedal is stepped on, the output air pressure of the brake valve is input as the control pressure of the relay valve. Under the action of the control pressure, the intake valve is pushed open, so the compressed air enters the brake directly from the air reservoir through the intake port. The moving air chamber does not need to flow through the brake valve, which greatly shortens the inflation pipeline of the brake air chamber and accelerates the inflation process of the air chamber. Therefore, the relay valve is also called the acceleration valve.
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Specifications

Relevant knowledge

Relay valve application
such as in trailer or semi-trailer braking systems. In the braking system of the truck, the relay valve plays the role of shortening the reaction time and the pressure build-up time. Generally, a differential relay valve is used. To prevent the simultaneous operation of the driving and parking systems, the combined spring brake cylinder and the force in the spring brake chamber overlap, so as to avoid the overload of the mechanical transmission element, so that the spring brake cylinder can be quickly charged and exhausted.
Generally, a differential relay valve is used. To prevent the simultaneous operation of the driving and parking systems, the combined spring brake cylinder and the force in the spring brake chamber overlap, so as to avoid the overload of the mechanical transmission element, so that the spring brake cylinder can be quickly charged and exhausted.