... brake chamber 1.trailer&truck brake chamber 2.T24,T30,T20,T16 3.double type optional 4.ISO9001 we manufacture ... brake chamber, trailer brake chamber, including T24,T30,T20,T161) brake chamber Specification: WORKING TEMPERATURE:-40---80 DEGREELIFE TIME : SERVICE TIME :>=1 ... /8”, M16X1.5 Pushrod stroke: 0 - 80mm 4) Ambient temperature: - 40 +80 5) Life-time: service chamber: 1, 000, 000 times ...