air brake chamber TYPE: 24/30 Application in truck,heavy-duty truck,trailer,specail-purpose vehicle,etc. Competitive price air brake chamberTYPE: 24/30STROKE: 64/ ... :rivet or screw Actuators (brake chamber)By utilising the energy of compressed air or a mechanical spring, Brake Actuators provide the input force ... ,SAOS,RVI,PEGASO,SCANIA,IKARBUS,TAM,HOWO,MAN,DENNIE,RENAULT. spring brake chamber