This product is installed inside the vehicle and is used to control the sound of the vehicle horn, the lubrication device of the wheel rim, and the action of the coupler. This product is an important component of the braking system in rail transit.
The auxiliary air supply unit mainly involves multiple functional valve components integrated in a very small space through complex flow channel design, thereby achieving its electrical control logic functions and requirements. Highly integrated design, convenient for later operation, maintenance, and overhaul.