Is there a pressure regulating valve on the air pump of the big truck?

Yes Freight car air pump is mainly used to provide power for brakes, clutches and other facilities. There is a pressure regulating valve on the air pump of a large truck. Pressure regulating valve is a kind of pressure regulating device controlled by pressure difference feedback of straight lever. It is an ordinary truck and van. The structure of the loading part is a truck with a fence, and some have automatic dumping devices.