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Equipment C-101
FM fm_8
ISO 14224 mode ELP External leakage - process
Source OPC Ontology KB
Labyrinth-seal Wear -> Increased Inter-stage Leakage
C-101 · Centrifugal compressor
Related equipment → C-101
0.75Source conf.
0.70Evidence conf.
ELPISO 14224 mode
1Failure Mechanism
Function:减少级间气体回流泄漏
Failure cause:转子不平衡或振动过大；热膨胀导致碰磨；润滑不良
2Source Basis (where this FM comes from)
OPC Ontology KBCSB Accident DBQuant benchmark
Source confidence 0.75: 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.：0.7 · Evidence source：OEM_manual
Governing standards (evidence)：ima://7479345845137275/wechatarticle_11035ae55c1b08ddb9e6d8bfbece61fe_4baf3822af099542c2a396ec6e994d6b7479345845137275 — 压缩机防喘振系统完整技术方案ima://7479345845137275/pdf_11035ae55c1b08ddb9e6d8bfbece61fe_09ac5889eb7d93d00ced858558ecc00c7479345845137275 — 空气压缩机RCM维护方案ima://7479345845137275/pdf_11035ae55c1b08ddb9e6d8bfbece61fe_cb149c9742b85d0a68be7323645916837479345845137275 — 空气压缩机FMEA分析报告
4Related Real Accidents (traceable to accident cards)
This FM is recorded in 1 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 (16):
GB/T 7826-2012GB/T 27921-2011GB/T 44958-2024GB/T 4888-2008GB/T 29639-2020AQ/T 3034-2022API 581API 580API 571API 754API 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
4 月Insp. int.
Current tasks:每月监测级间压力 | 每3个月进行性能监测
RCFA incident:C-101 发生迷宫齿磨损→级间泄漏增大，严重程度 6，后果类型 Safety
7RCM Maintenance Decision (strategy landing)
CBMOn-Condition Maintenance
Recommended task绝缘/电气试验 + 继电保护定值校核 + 操动机构特性测试; 温度/红外热成像监测, 超温报警与根因排查; 振动频谱分析 + 动平衡 + 激光对中, 状态监测趋势管理; 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=electrical; overheat; seal_leak; vibration
Governing standardsAPI 510API 530API 670API 682API 684GB/T 14285IEC 60034IEEE C57ISO 10816厂家规范
⚠ 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。