Air Brake Parts

The straight air brake system is typically used on heavy duty commercial vehicles and trailers. Components of the air brake system for trailers are contained within the trailer structure and consist of appropriate compressed air storage tank(s), control valves and hoses to support the number and capacities of the axles used.

The air over hydraulic system is a common application for trailers being towed by light and medium duty commercial vehicles equipped with air brake systems. Components of the air/hydraulic system are trailer-mounted and consist of a compressed air storage tank, a control valve, an air chamber/master cylinder assembly, hydraulic lines and hydraulic disc or drum brakes. The towing vehicle supplies compressed air to the trailer storage tank as well as a modulated control signal through tubing and gladhands or quick connects mounted on the tow vehicle and trailer.

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