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Equipment MVR-01
FM ICS-C4-FM1
ISO 14224 mode SYN SYN
Source Synthetic
调节阀卡涩/失效
MVR-01 · Mechanical Vapor Recompression (MVR) System
Related equipment → MVR-01
0.65Source conf.
—Evidence conf.
SYNISO 14224 mode
1Failure Mechanism
Function:流量/压力调节
Failure cause:结垢/执行机构
Damage mechanism：调节阀卡涩/执行机构失效 (Control Valve Sticking / Actuator Failure)
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 550
No separate clause reference.
6Derived Analysis (seeded from this FM)
5/4/4FMEA Sev/Occ/Det
0.2RBI λ
—Monitor pdet
12 月Insp. int.
Current tasks:阀门行程/力矩校验 + 定位器校准 + 执行机构功能测试 + 结垢清理
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
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=fouling; instrument
Governing standardsAPI 571GB/T 21109IEC 61511ISA 84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。