Description: Spring Brake Chamber creating the for force for wheel braking consists of diaphragm section for the service brake system and a spring brake section for the secondary and parking system,The diaphragm actuator and the spring brake section are separately independent in operation. Features: Operating media:Air Operating temperature: -40C~80゜C Braking distances of driving:57mm Braking distances of parking:57mm Max Mpa:1Mpa