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Reliability
Calculator
Calculate system MTBF and availability from individual component failure rates
Input Parameters
Pump MTBF (hours)
Valve MTBF (hours)
Number of Valves
Cylinder MTBF (hours)
Number of Cylinders
Mean Repair Time (hours)
Calculate
Results
--
System MTBF
hours
--
Failure Rate
per 1000 hrs
--
Availability
%
--
Expected Failures/Year
Reference
Series system: lambda_sys = sum of all lambda_i MTBF = 1 / lambda_sys Availability = MTBF / (MTBF + MTTR) Typical MTBF: pumps 20k hrs, valves 50k hrs, cylinders 40k hrs