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Equipment H-101
FM actuator_failure_2
ISO 14224 mode OTH Other
Source OPC Ontology KB
执行机构故障 (Actuator Failure)
H-101 · fired_heater
Related equipment → H-101
0.82Source conf.
0.65Evidence conf.
OTHISO 14224 mode
1Failure Mechanism
Function:熄火或紧急情况时快速切断燃料
Failure cause:密封件老化或磨损；弹簧疲劳或断裂；电磁阀故障或卡涩
Damage mechanism：执行机构弹簧/电磁阀失效（actuator failure）：密封/电磁阀卡涩
2Source Basis (where this FM comes from)
OPC Ontology KBCSB Accident DBQuant benchmark
Source confidence 0.82: this FM is derived from the ontology KB and cross-validated by OPC Ontology KB·CSB Accident DB·Quant benchmark.
3Evidence Chain (supporting basis)
Evidence text：None
Evidence conf.：0.65 · Evidence source：engineering_estimate
Governing standards (evidence)：std:API-570 — API 570 — Piping Inspection Code · 工艺管道检验std:IEC-61511 — IEC 61511:2016 — Functional safety: Safety instrumented systems · 安全仪表系统功能安全
4Related Real Accidents (traceable to accident cards)
This FM is recorded in 3 real accident investigation(s); tap the report no. to open the corresponding accident lesson card.
5Applicable Standards & Clauses
API 580GB/T 7826-2012ISO 14224:2016SAE JA1011_202411
Standard clause references (22):
GB/T 7826-2012GB/T 27921-2011GB/T 36894-2018GB/T 44958-2024GB/T 37243-2019GB/T 4888-2008GB/T 29639-2020AQ/T 3034-2022API 581API 580API 510API 570API 571API 579-1/ASME FFS-1API 754API 576API 689API 755ISO 14224:2016ISO 20815:2018IEC 61511:2016ISO 31000:2018
6Derived Analysis (seeded from this FM)
6/3/4FMEA Sev/Occ/Det
0.28RBI λ
0.8Monitor pdet
12 月Insp. int.
Current tasks:定期红外热成像 | 目视检查
RCFA incident:H-101 发生执行机构故障 (Actuator Failure)，严重程度 6，后果类型 Safety
7RCM Maintenance Decision (strategy landing)
CBMOn-Condition Maintenance
Recommended task无损检测(UT/MT/PT) 监测裂纹萌生, 关键转动件定时拆检; 泄漏监测 + 密封/填料定期更换, 螺栓热紧固
Suggested intervalHigh risk 1-3 mo / Medium 6-12 mo / Low risk at turnaround (by API 581 RBI risk ranking)
Decision basis机理类别=fatigue; seal_leak
Governing standardsAPI 510API 579API 612API 682ASME VIII
⚠ This decision is engineering-inferred by RCM logic from the damage mechanism / root cause / failure cause — it is not derived from measured site history. Confirm with the equipment owner and process before execution.
⚠ 本卡技术正文（功能 / 致因 / 损伤机理 / RCFA 叙事）保留中文原文——依可信 AI 红线，自由技术文本不自动机翻、不编造英文译文。UI、设备类型、FM 名、ISO 码、标准号均为英文。