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Equipment RP-101
FM diaphragm_rupture
ISO 14224 mode
Source synthetic + standards-based engineering estimate (ISO 14224 / API 676 / API 674 framework)
隔膜破裂(隔膜泵)
RP-101 · 柱塞泵/隔膜泵/往复泵/计量泵/加药泵 (Reciprocating Positive Displacement Pump)
Related equipment → RP-101
0.80Source conf.
—Evidence conf.
ISO 14224 mode
1Failure Mechanism
Function:弹性隔膜隔离介质与液压油, 实现无泄漏输送
Failure cause:疲劳或超压/进料不足致隔膜破裂
Damage mechanism：弹性隔膜在交变应力或超压下裂纹扩展致破裂
2Source Basis (where this FM comes from)
synthetic + standards-based engineering estimate (ISO 14224 / API 676 / API 674 framework)
Source confidence 0.80: this FM is derived from the ontology KB and cross-validated by synthetic + standards-based engineering estimate (ISO 14224 / API 676 / API 674 framework).
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)：std:API 675 — Positive Displacement Pumps - Controlled Volume (Metering) · 机理级工程估计, 非实测; 引用 governing standard 作为分类出处
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 674API 675ISO 14224:2016API 580GB/T 9234GB/T 7782SH/T 3141ISO 13372GB/T 6075SAE JA1011_202411
No separate clause reference.
6Derived Analysis (seeded from this FM)
7/2/3FMEA Sev/Occ/Det
0.12RBI λ
0.75Monitor pdet
6 月Insp. int.
Current tasks:监测液压油污染 | 检查隔膜行程/进料 | 校验超压保护
RCFA incident:隔膜破裂致介质与液压油互混、外泄风险, 后果类型 Operational/Environmental, 严重度 7
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。