... This machine can of rubber hoses, automobile brake pipe, tube and power steering clutch, automobile air conditioner ... GB/T7129-2001, QC/T669-2000, GB/T7127.1-2000, HT/T2718-1995...Second, performance parameters1 test ... test line: 2 ~ 12 root,11 for pipe size: 6 ~ 70mm.Third, the function and ... characteristics1 a pipe pressure vessel alternating fatigue test functions,2. The ...