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Equipment K-201A
FM fm_24
ISO 14224 mode OTH Other
Source OPC Ontology KB
Differential-pressure Transmitter Failure
K-201A · Centrifugal compressor
Related equipment → K-201A
0.75Source conf.
0.80Evidence conf.
OTHISO 14224 mode
1Failure Mechanism
Function:过滤+调压+监控密封气供应
Failure cause:传感器老化或漂移；接线松动或接触不良；环境振动或温度影响
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.：0.8 · Evidence source：API_682
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)
4/7/2FMEA Sev/Occ/Det
0.4RBI λ
0.55Monitor pdet
4 月Insp. int.
Current tasks:每半年校准差压变送器 | 发现读数异常时立即更换 | 备件库存保持2个
RCFA incident:K-201A 发生差压变送器故障，严重程度 4，后果类型 Operational
7RCM Maintenance Decision (strategy landing)
CBMOn-Condition Maintenance
Recommended task按压差/效率监测设定清洗周期 + 过滤/防堵维护; 标定/零点-跨度校验 + SIL Proof test + 阀门行程试验 + 变更管理; 泄漏监测 + 密封/填料定期更换, 螺栓热紧固; 绝缘/电气试验 + 继电保护定值校核 + 操动机构特性测试; 振动频谱分析 + 动平衡 + 激光对中, 状态监测趋势管理; 温度/红外热成像监测, 超温报警与根因排查
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; fouling; instrument; overheat; seal_leak; vibration
Governing standardsAPI 510API 530API 571API 670API 682API 684GB/T 14285GB/T 21109IEC 60034IEC 61511IEEE C57ISA 84ISO 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。