Equipment Failure Rates: Pump
Equipment failure rates, MTBF, MTTR, and downtime statistics for electrical and mechanical plant equipment. Primary data from the USACE PREP reliability database (IEEE Std 3006.8-2018 Table 2), covering ~280 equipment classes. Supplemental data from IEEE motor and transformer surveys.
| equipment type | class code | description | failure rate per year (failures/year) | failures (count) | mdt hours (h) | mtbf hours (h) | mttm hours (h) | mttr hours (h) | standard | survey | unit years (unit-years) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Pump | H26-110 | Pump, centrifugal, with drive | 0.121592 | 2,655 | 7.95 | 72,045 | 2.21 | 11.95 | IEEE Std 3006.8-2018 Table 2 | USACE_PREP | 21,835.4 |
| Pump | H26-120 | Pump, centrifugal, w/o drive | 0.127621 | 262 | 1.52 | 68,641 | 1.04 | 11.28 | IEEE Std 3006.8-2018 Table 2 | USACE_PREP | 2,052.9 |
| Pump | H26-200 | Pump, positive displacement | 0.12014 | 180 | 4.74 | 72,915 | 0.7 | 7.91 | IEEE Std 3006.8-2018 Table 2 | USACE_PREP | 1,498.2 |
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