... )By utilising the energy of compressed air or a mechanical spring, Brake Actuators provide the input force to operate the braking mechanisms ... at each wheel.We offer a comprehensive range including Brake Chambers, Spring Brakes (in diaphragm/piston or double diaphragm configuration), and ... ,MAZ,VOLVO,ZASTAVA, ,SAOS,RVI,PEGASO,SCANIA,IKARBUS,TAM,HOWO,MAN,DENNIE,RENAULT. spring brake chamber