Equipment Failure Rates: Fan
H19-100 to H19-400
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) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Fan | H19-100 | Fan, centrifugal | 0.048505 | 577 | 3.57 | 180,600 | 1.71 | 10.51 | IEEE Std 3006.8-2018 Table 2 | USACE PREP | 11,895.7 |
| Fan | H19-200 | Fan, propeller/disc | 0.168237 | 649 | 4.37 | 52,069 | 2.09 | 10.88 | IEEE Std 3006.8-2018 Table 2 | USACE PREP | 3,857.7 |
| Fan | H19-300 | Fan, tubeaxial | 0.030738 | 69 | 4.09 | 284,992 | 4.04 | 5.51 | IEEE Std 3006.8-2018 Table 2 | USACE PREP | 2,244.8 |
| Fan | H19-400 | Fan, vaneaxial | 0.148516 | 254 | 1.61 | 58,984 | 1.1 | 14.24 | IEEE Std 3006.8-2018 Table 2 | USACE PREP | 1,710.3 |
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