FM Traceability Card · trace the source basis (tap links to trace back)
← Back to KB navigation
Equipment P-101A FM cavitation_pitting ISO 14224 mode OTH Other Source OPC Ontology KB
汽蚀叶片蚀损 (Cavitation Pitting)
P-101A · Centrifugal pump
Related equipment → P-101A
0.75Source conf.
0.80Evidence conf.
OTHISO 14224 mode
1Failure Mechanism

Function:旋转加速液体，产生动能和压头

Failure cause:泵入口压力不足；液体温度过高；泵转速过高

2Source Basis (where this FM comes from)
OPC Ontology KBCSB Accident DBNUREG (US NRC)Quant benchmark

Source confidence 0.75: this FM is derived from the ontology KB and cross-validated by OPC Ontology KB·CSB Accident DB·NUREG (US NRC)·Quant benchmark.

3Evidence Chain (supporting basis)
Evidence text：Failure of a Bronze Pump Impeller by Cavitation Damage (2019); Cavitation Erosion of a Zirconium Pump Impeller (2019)
Evidence ref code：S2:f7ceee063488d922
Evidence conf.：0.8 · Evidence source：Industry consensus
⚠ The evidence ref code S2:f7ceee063488d922 is an internal index code of this KB, for tracing back to the offline curated corpus; it is not a public doi.org link, hence no hyperlink is provided.
Governing standards (evidence)：
  • ima://7479345845137275/wechatarticle_11035ae55c1b08ddb9e6d8bfbece61fe_283b5a73620a2a66736f9bc2640d5c2a7479345845137275 — 离心泵结构原理及常见故障原因分析
  • ima://7479345845137275/wechatarticle_11035ae55c1b08ddb9e6d8bfbece61fe_8a1d60fcb81b5086bdefbc680fe61bd57479345845137275 — 离心泵叶轮常见故障分析及避免策略
  • ima://7479345845137275/wechatarticle_11035ae55c1b08ddb9e6d8bfbece61fe_9b8c77c034c4d40cd470345085c90c9c7479345845137275 — 装置离心泵振动九大杀手排查
  • ima://7479345845137275/wechatarticle_11035ae55c1b08ddb9e6d8bfbece61fe_e433bfbdf4a9a4b807fc752c6d3e429d7479345845137275 — 离心泵运行中常见的八类隐形杀手及对策
  • ima://7479345845137275/wechatarticle_11035ae55c1b08ddb9e6d8bfbece61fe_d8bc091028963fe6986a324f751866257479345845137275 — 机械密封维护检修规程
  • ima://7458030677405755/word_11035ae55c1b08ddb9e6d8bfbece61fe_b8e3f40c0cbcc204999d1c296cc7b2467458030677405755 — ITP-7 Pumps（杜邦制造质量检验测试计划）
4Related Real Accidents (traceable to accident cards)
2020-01-I-TX2019-01-I-TX2004-08-I-NM2019-03-I-TXNUREG-LER-2019-001NUREG-PNO-2013-006

This FM is recorded in 6 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)
8/3/3FMEA Sev/Occ/Det
0.28RBI λ
0.8Monitor pdet
12 月Insp. int.

Current tasks:监测入口压力和温度 | 定期检查叶轮表面蚀坑 | 优化运行工况避免汽蚀

RCFA incident:P-101A 发生汽蚀叶片蚀损 (Cavitation Pitting)，严重程度 8，后果类型 Safety/Environmental

7RCM Maintenance Decision (strategy landing)
CBMOn-Condition Maintenance
Recommended task入口压力/温度监测 + 叶轮表面蚀坑检查, 优化 NPSH 工况; 温度/红外热成像监测, 超温报警与根因排查; 无损检测(UT/VT/MT/PT), 按 API 581 RBI 风险定级设定检验间隔
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=cavitation; corrosion; overheat
Governing standards
API 530API 570API 571API 581API 610API 617API 682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。
FM cavitation_pitting · Data from OPC KB and whitelisted public sources, compiled by Reliability AI for reliability demonstration only. Evidence ref codes are internal indices, not public DOIs.