030021
Air Brake Chamber

2 Pack

Velvac®

An air brake chamber is an essential component of a truck's braking system. Part number 030021 specifically refers to a type of air brake chamber commonly used in heavy-duty vehicles. The air brake chamber converts the energy from compressed air into mechanical force that applies pressure to the brakes, causing them to engage and slow down or stop the vehicle. It consists of an outer casing, diaphragm, pushrod, and return spring. When air pressure is applied, it pushes against the diaphragm which in turn moves the pushrod and compresses the return spring. This action activates the brakes by applying friction to the wheels and slowing down or stopping the vehicle. Proper maintenance and inspection of air brake chambers are crucial for safe operation on roads as failure can result in loss of braking power leading to accidents or collisions.