Core Ontology for Petroleum Installations · INF-UFRGS-Ontologies · CNPq INF-UFRGS-ENERGIA inf.ufrgs.br/ontologies/copi dee69df
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butterfly control valve
exported ⋯ Quality
COPI_0000099
Definition & axiom
Label (EN)
butterfly control valve
Label (PT-BR)
Definition (EN)
Definition (PT-BR)
Semi-formal axiom (Aristotelian)
Axiom type
LLM classification basis: both
This concept encodes both functional identity (control valve - ProcessControlledFlowFunction) and constructive identity (butterfly valve - rotating disc closure mechanism). It is a constructive subtype of the functional parent ControlValve.
Validation status
Why primitive (necessary only)
Reviewer notes
FOL theory & disjointness
First-order logic theory (generated)
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Disjoint with
▸ Expert review — accepted
Axiomatization steps
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Source Definitions (2)
P&ID symbol for butterfly control valve
BUTTERFLY CONTROL VALVE — ClassOfInanimatePhysicalObject
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cfihos V2.0
butterfly control valve — TagAndEquipmentClass
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Provenance tiers (2)
Sources the pipeline cited while building this entry. Verbatim = the quote was copied word-for-word from that source; summary = paraphrased.
primary iso15926 BUTTERFLY CONTROL VALVE
standard · verbatim
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secondary cfihos butterfly control valve
standard · verbatim
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Linked competency questions
  • answered What are all the subclasses of Valve recognised in COPI?
  • answered Which equipment classes in COPI use necessary-only (primitive) conditions?
  • answered Which equipment classes in COPI bear a FluidFlowControlFunction as identity-giving function?
  • open What is a valve body?
  • open Which COPI equipment classes require a valve body as a necessary component? (candidates: blow down valve, butterfly control valve, double block and bleed valve, safety relief valve, self-operating valve and valve)
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OWL/Turtle preview
Download .ttl
Numeric COPI_* IRIs from copi-iri-map.tsv, with the readable name as a trailing comment. Names not yet in the map stay readable.
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ID 164 · claude-sonnet-4-20250514
Created 2026-04-16 18:11
Updated 2026-09-08 12:26

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Opens a pre-filled GitHub issue on the COPI repo — nothing is sent until you submit it there.