exported necessary COPI_0000227
Check Valve Closure Member
IRI: https://www.inf.ufrgs.br/ontologies/copi/COPI_0000227
Generated onGerado em 2026-05-04
Natural Language DefinitionDefinição em Linguagem Natural
EN
A MaterialArtifact that is a component part of a check valve and that bears a BackflowPreventionFunction, consisting in a mechanical element that prevents fluid flow reversal by physically blocking the flow path when pressure conditions indicate potential backflow.
PT-BR
Um MaterialArtifact que é uma parte componente de uma válvula de retenção e que possui uma BackflowPreventionFunction, consistindo em um elemento mecânico que previne o refluxo de fluido bloqueando fisicamente o caminho de fluxo quando as condições de pressão indicam potencial refluxo.
Formal AxiomsAxiomas Formais
Semi-formal (Aristotelian)Semi-formal (Aristotélico)
Every check valve closure member is a MaterialArtifact that is component part of some check valve and bears some BackflowPreventionFunction
First-Order Logic TheoryTeoria em Lógica de Primeira Ordem
[Necessary condition]∀x (CheckValveClosureMember(x) → MaterialArtifact(x) ∧ ∃f (BackflowPreventionFunction(f) ∧ bearerOf(x,f))) — Steps 1–3: genus + identity-giving function [Function axiom: BackflowPreventionFunction]∀f (BackflowPreventionFunction(f) → ∀p (realizedIn(f,p) → BackflowPreventionProcess(p)) ∧ ∃p (BackflowPreventionProcess(p) ∧ realizedIn(f,p))) — Step 1: ∀ preserves type-type identity; ∃ rules out vacuous functions never realised [Structural differentia (necessary only)]∀x (CheckValveClosureMember(x) → ∃isComponentPartOf.CheckValve ⊓ ∃bearerOf.BackflowPreventionFunction) — Step 3: structural property — necessary condition, not sufficient (OWA prevents ≡) [Process participation signature]∀x ∀f ((CheckValveClosureMember(x) ∧ BackflowPreventionFunction(f) ∧ bearerOf(x,f)) → ∃m (FluidPortion(m) ∧ participatesIn(m,f)) ∧ ∃e (FluidPortion(e) ∧ participatesIn(e,f)) ∧ processType(f,FlowDirectionControl)) — Step 5: typed participants in the realising process
OWL 2 / Turtle
@prefix copi: <https://www.inf.ufrgs.br/ontologies/copi/> . @prefix : <https://www.inf.ufrgs.br/ontologies/copi/> . @prefix owl: <http://www.w3.org/2002/07/owl#> . @prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> . @prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . @prefix xsd: <http://www.w3.org/2001/XMLSchema#> . @prefix bfo: <http://purl.obolibrary.org/obo/> . @prefix iof-core: <https://spec.industrialontologies.org/ontology/construct/> . @prefix iof-av: <https://spec.industrialontologies.org/ontology/annotation/> . @prefix skos: <http://www.w3.org/2004/02/skos/core#> . @prefix qudt: <http://qudt.org/schema/qudt/> . @prefix dcterms: <http://purl.org/dc/terms/> . @prefix foaf: <http://xmlns.com/foaf/0.1/> . @prefix apv: <http://inf.ufrgs.br/ontologies/apv#> . ### COPI — Core Ontology for Petroleum Installations ### Class module: CheckValveClosureMember <https://www.inf.ufrgs.br/ontologies/copi> rdf:type owl:Ontology ; dcterms:title "Core Ontology for Petroleum Installations (COPI)"@en ; dcterms:title "Ontologia Core para Instalações de Petróleo (COPI)"@pt-br ; dcterms:description "BFO/IOF-Core conformant ontology of equipment classes for petroleum production plants, developed using the five-step RDL enrichment method."@en ; skos:scopeNote "Material artifacts (bfo:material_entity) that (i) are part of a petroleum production plant, and (ii) bear at least one function whose realization involves the transport (e.g. production and injection), processing (separation and other processes), control, monitoring, measurement, containment or offloading of material or energy."@en ; skos:scopeNote "Artefatos materiais (bfo:material_entity) que (i) fazem parte de uma planta de produção de petróleo, e (ii) possuem ao menos uma função cuja realização envolve o transporte (p. ex. produção e injeção), processamento (separação e outros processos), controle, monitoramento, medição, contenção ou escoamento de material ou energia."@pt-br ; skos:scopeNote "COPI provides high-level equipment categories defined by function to demonstrate the defined-class mechanism. Equipment subtypes are annotated with references to CFIHOS and PCA RDL terms. COPI is not a reference data library; organizations should use CFIHOS, PCA RDL, or ISO 14224 for comprehensive equipment classification."@en ; skos:scopeNote "COPI fornece categorias de alto nível de equipamentos definidas por função para demonstrar o mecanismo de classe definida. Os subtipos de equipamentos são anotados com referências aos termos do CFIHOS e do PCA RDL. COPI não é uma biblioteca de dados de referência; organizações devem utilizar o CFIHOS, o PCA RDL ou a ISO 14224 para classificação abrangente de equipamentos."@pt-br ; owl:versionInfo "1.1.0-104-g4d16eff" ; owl:imports <https://spec.industrialontologies.org/ontology/core/Core/> ; owl:imports <http://purl.obolibrary.org/obo/bfo/2020/bfo.owl> ; dcterms:creator "Nicolau Oyhenard dos Santos"@en ; dcterms:contributor "Cauã Antunes" ; dcterms:contributor "Haroldo Rojas" ; dcterms:contributor "Rafael Petry" ; dcterms:contributor "Régis Romeu" ; dcterms:contributor "Mara Abel" ; dcterms:isPartOf <https://inf.ufrgs.br/projetos/OntoKG> ; dcterms:publisher "Universidade Federal do Rio Grande do Sul (UFRGS)"@en ; dcterms:license <https://creativecommons.org/licenses/by/4.0/> ; dcterms:created "2026-04-08"^^xsd:date ; dcterms:modified "2026-07-13"^^xsd:date ; apv:GlobalMinLanguageCoverage "en pt-br" ; apv:ClassURIFormationRule "https://www[.]inf[.]ufrgs[.]br/ontologies/copi/(COPI_[0-9]{7}|[A-Z][A-Za-z0-9]*)" ; apv:ClassMinAnnotationCoverage "rdfs:label https://spec.industrialontologies.org/ontology/annotation/naturalLanguageDefinition" . iof-av:naturalLanguageDefinition rdf:type owl:AnnotationProperty ; apv:MinAnnotationLength 20 . ### Identity-giving function :BackflowPreventionFunction rdf:type owl:Class ; rdfs:subClassOf :FlowControlFunction ; rdfs:subClassOf [ rdf:type owl:Restriction ; owl:onProperty bfo:BFO_0000054 ; # realizedIn owl:allValuesFrom :BackflowPreventionProcess ] ; rdfs:subClassOf [ rdf:type owl:Restriction ; owl:onProperty bfo:BFO_0000054 ; # realizedIn owl:someValuesFrom :BackflowPreventionProcess ] ; rdfs:label "backflow prevention function"@en ; rdfs:label "função de prevenção de refluxo"@pt-br ; iof-av:naturalLanguageDefinition "A FlowControlFunction that is realized in a BackflowPreventionProcess and that consists in preventing the reversal of fluid flow direction by physically blocking the flow path when pressure differential indicates potential backflow conditions."@en ; skos:definition "A FlowControlFunction that is realized in a BackflowPreventionProcess and that consists in preventing the reversal of fluid flow direction by physically blocking the flow path when pressure differential indicates potential backflow conditions."@en . :FlowControlFunction rdf:type owl:Class . ### Process type :BackflowPreventionProcess rdf:type owl:Class ; rdfs:subClassOf iof-core:PlannedProcess ; rdfs:label "backflow prevention process"@en ; rdfs:label "processo de prevenção de refluxo"@pt-br ; iof-av:naturalLanguageDefinition "A PlannedProcess in which fluid flow reversal is prevented by a closure member that moves to block the flow path when upstream pressure falls below downstream pressure or when flow attempts to reverse direction."@en ; skos:definition "A PlannedProcess in which fluid flow reversal is prevented by a closure member that moves to block the flow path when upstream pressure falls below downstream pressure or when flow attempts to reverse direction."@en . :BackflowPreventionProcess rdfs:subClassOf [ rdf:type owl:Restriction ; owl:onProperty iof-core:hasInput ; owl:someValuesFrom :FluidPortion ] ; rdfs:subClassOf [ rdf:type owl:Restriction ; owl:onProperty iof-core:hasSpecifiedOutput ; owl:someValuesFrom :FluidPortion ] . ### Equipment universal: CheckValveClosureMember :CheckValveClosureMember rdf:type owl:Class ; rdfs:subClassOf iof-core:MaterialArtifact ; rdfs:subClassOf [ rdf:type owl:Restriction ; owl:onProperty iof-core:hasFunction ; # Object branch (MaterialArtifact/Assembly/Object/FiatObjectPart) owl:someValuesFrom :BackflowPreventionFunction ] ; rdfs:label "check valve closure member"@en ; rdfs:label "membro de fechamento de válvula de retenção"@pt-br ; iof-av:naturalLanguageDefinition "A MaterialArtifact that is a component part of a check valve and that bears a BackflowPreventionFunction, consisting in a mechanical element that prevents fluid flow reversal by physically blocking the flow path when pressure conditions indicate potential backflow."@en ; skos:definition "A MaterialArtifact that is a component part of a check valve and that bears a BackflowPreventionFunction, consisting in a mechanical element that prevents fluid flow reversal by physically blocking the flow path when pressure conditions indicate potential backflow."@en ; iof-av:naturalLanguageDefinition "Um MaterialArtifact que é uma parte componente de uma válvula de retenção e que possui uma BackflowPreventionFunction, consistindo em um elemento mecânico que previne o refluxo de fluido bloqueando fisicamente o caminho de fluxo quando as condições de pressão indicam potencial refluxo."@pt-br ; iof-av:semiFormalNaturalLanguageAxiom "Every check valve closure member is a MaterialArtifact that is component part of some check valve and bears some BackflowPreventionFunction"@en ; iof-av:firstOrderLogicAxiom "∀x(CheckValveClosureMember(x) → MaterialArtifact(x) ∧ ∃y(CheckValve(y) ∧ isComponentPartOf(x,y)) ∧ ∃f(BackflowPreventionFunction(f) ∧ bearerOf(x,f)))"@en ; iof-av:isPrimitive "true"^^xsd:boolean ; iof-av:primitiveRationale "Constructive type defined by structural role and mechanism. Under OWA, sufficient conditions would force classification of any artifact with backflow prevention function and check valve association, potentially including hybrid or specialized designs that should not be automatically classified as standard closure members without domain expert validation."@en ;
Axiomatization Decision LogRegistro de Decisões
1 Identity-Giving FunctionFunção Identitária
Function class
BackflowPreventionFunction ⊑ FlowControlFunction
Realized in
BackflowPreventionProcess ⊑ PlannedProcess
The closure member inherits the check valve's identity-giving function of preventing backflow. While it is a constructive part, it participates in realizing this function through its physical mechanism.
2 Genus DeterminationDeterminação do Gênero
MaterialArtifactbfo:Object (BFO_0000030)
The concept is defined as both ARTEFACT and VALVE CLOSURE MEMBER in the source. Since VALVE CLOSURE MEMBER is not in the already-enriched classes and represents a specialized component category, we use MaterialArtifact as the most specific available genus. This is a designed artifact that functions as a mechanical component within a larger assembly.
3 Differentia SpecificaDiferença Específica
∃isComponentPartOf.CheckValve ⊓ ∃bearerOf.BackflowPreventionFunction

A closure member that is specifically a component of a check valve and bears the function of preventing backflow.

The differentia specifies both the structural relationship (being part of a check valve) and the functional specialization (backflow prevention), which together distinguish this from other valve closure members that serve different flow control purposes.
4 Necessary PartsPartes Necessárias

No necessary parts recorded.

No component terms are provided in the source standards, and the source definition does not specify internal parts of the closure member itself. This is a component-level concept where further decomposition into subparts would require additional domain expertise and source evidence.
Process Participation SignatureAssinatura de Participação em Processo
InputsEntradas
{'type': 'FluidPortion', 'count': 1, 'constraints': 'attempting reverse flow direction'}
OutputsSaídas
{'type': 'FluidPortion', 'count': 1, 'constraints': 'flow blocked or permitted based on pressure differential'}
TransformationTransformação
mechanical positioning to block or permit flow based on pressure differential and flow direction
The closure member responds to fluid pressure differentials by positioning itself to either block reverse flow or allow forward flow, which is the characteristic signature of flow direction control mechanisms.
MetadataMetadados
COPI IDCOPI IDCOPI_0000227
IRIIRIhttps://www.inf.ufrgs.br/ontologies/copi/COPI_0000227
StatusStatusexported
Axiom modeModonecessary
CreatedCriado2026-05-04
UpdatedAtualizado2026-06-26
LLM modelModelo LLMclaude-sonnet-4-20250514
VersionVersão2026-07-13