Equipment Failure Rates: Valve Operator
C17-100 to C17-300
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) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Valve Operator | C17-100 | Valve operator, electric | 0.011672 | 43 | 1.4 | 750,511 | 0.98 | 16.42 | IEEE Std 3006.8-2018 Table 2 | USACE PREP | 3,684 |
| Valve Operator | C17-200 | Valve operator, hydraulic | 0.087938 | 6 | 2.2 | 99,616 | 2.16 | 3 | IEEE Std 3006.8-2018 Table 2 | USACE PREP | 68.2 |
| Valve Operator | C17-300 | Valve operator, pneumatic | 0.004942 | 31 | 1.76 | 1,772,576 | 0.98 | 2.92 | IEEE Std 3006.8-2018 Table 2 | USACE PREP | 6,272.8 |
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