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Equipment MVR-01
FM EVAP-C2-FM3
ISO 14224 mode SYN SYN
Source Synthetic
管板泄漏
MVR-01 · Mechanical Vapor Recompression (MVR) System
Related equipment → MVR-01
0.65Source conf.
—Evidence conf.
SYNISO 14224 mode
1Failure Mechanism
Function:密封
Failure cause:胀接松弛、腐蚀
Damage mechanism：缝隙腐蚀/胀接界面泄漏 (Crevice Corrosion at tube-to-tubesheet, API 571 DM-3)
2Source Basis (where this FM comes from)
Synthetic
Source confidence 0.65: this FM is derived from the ontology KB and cross-validated by Synthetic.
3Evidence Chain (supporting basis)
This FM has no offline curated evidence text; it is derived from the ontology KB and cross-validated by the listed standard clauses and related accident investigations.
Governing standards (evidence)：ima://7458030677405755/word_11035ae55c1b08ddb9e6d8bfbece61fe_c34878de0ef99baefb229cbae10a3b8b7458030677405755 — ITP-9 Skidded Equipment（杜邦制造质量检验测试计划）
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
GB/T 7826-2012API 660
No separate clause reference.
6Derived Analysis (seeded from this FM)
6/3/4FMEA Sev/Occ/Det
0.15RBI λ
—Monitor pdet
12 月Insp. int.
Current tasks:管板胀接区 PT/VT 检测 + 泄漏试验(水压/氦检) + 缝隙腐蚀监控
7RCM Maintenance Decision (strategy landing)
CBMOn-Condition Maintenance
Recommended task无损检测(UT/VT/MT/PT), 按 API 581 RBI 风险定级设定检验间隔; 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=corrosion; seal_leak
Governing standardsAPI 510API 570API 571API 581API 682
⚠ 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。