This product is installed under the vehicle to supply air for the vehicle's horn, wheel flange lubrication, and coupler uncoupling. It is an integrated device that controls the air supply for the vehicle's horn, wheel flange lubrication device, and coupler uncoupling action.
The product belongs to the control equipment of the vehicle braking system, which is integrated into a very small space through complex flow channel design to achieve its electrical control logic functions and requirements. Highly integrated design, convenient for later operation, maintenance, and overhaul.