exported equivalent COPI_0000097
Blow Down Valve
IRI: https://www.inf.ufrgs.br/ontologies/copi/COPI_0000097
Generated onGerado em 2026-04-16
Natural Language DefinitionDefinição em Linguagem Natural
EN
A blow down valve is a valve that bears a designed function for rapid depressurization of high pressure systems.
PT-BR
Uma válvula de blow down é uma válvula que possui uma função projetada para despressurização rápida de sistemas de alta pressão.
Formal AxiomsAxiomas Formais
Semi-formal (Aristotelian)Semi-formal (Aristotélico)
Every blow down valve is a valve that has the function of rapid depressurization.
First-Order Logic TheoryTeoria em Lógica de Primeira Ordem
[Definition]∀x (BlowDownValve(x) ↔ Valve(x) ∧ ∃f (RapidDepressurizationFunction(f) ∧ bearerOf(x,f))) — Steps 1–3: genus + identity-giving function [Function axiom: RapidDepressurizationFunction]∀f (RapidDepressurizationFunction(f) → ∀p (realizedIn(f,p) → RapidDepressurizationProcess(p)) ∧ ∃p (RapidDepressurizationProcess(p) ∧ realizedIn(f,p))) — Step 1: ∀ preserves type-type identity; ∃ rules out vacuous functions never realised [Process participation signature]∀x ∀f ((BlowDownValve(x) ∧ RapidDepressurizationFunction(f) ∧ bearerOf(x,f)) → ∃m (FluidPortion(m) ∧ participatesIn(m,f)) ∧ ∃e1 (FluidPortion(e1) ∧ participatesIn(e1,f)) ∧ ∃e2 (FluidPortion(e2) ∧ participatesIn(e2,f)) ∧ processType(f,PressureReduction)) — 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: BlowDownValve <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 :RapidDepressurizationFunction rdf:type owl:Class ; rdfs:subClassOf iof-core:DesignedFunction ; rdfs:subClassOf [ rdf:type owl:Restriction ; owl:onProperty bfo:BFO_0000054 ; # realizedIn owl:allValuesFrom :RapidDepressurizationProcess ] ; rdfs:subClassOf [ rdf:type owl:Restriction ; owl:onProperty bfo:BFO_0000054 ; # realizedIn owl:someValuesFrom :RapidDepressurizationProcess ] ; rdfs:label "rapid depressurization function"@en ; rdfs:label "função de despressurização rápida"@pt-br . ### Process type :RapidDepressurizationProcess rdf:type owl:Class ; rdfs:subClassOf iof-core:PlannedProcess ; rdfs:label "rapid depressurization process"@en ; rdfs:label "processo de despressurização rápida"@pt-br . :RapidDepressurizationProcess 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 ] ; rdfs:subClassOf [ rdf:type owl:Restriction ; owl:onProperty iof-core:hasSpecifiedOutput ; owl:someValuesFrom :FluidPortion ] . ### Equipment universal: BlowDownValve :BlowDownValve rdf:type owl:Class ; owl:equivalentClass [ rdf:type owl:Class ; owl:intersectionOf ( :Valve [ rdf:type owl:Restriction ; owl:onProperty iof-core:hasFunction ; # Object branch (MaterialArtifact/Assembly/Object/FiatObjectPart) owl:someValuesFrom :RapidDepressurizationFunction ] ) ] ; rdfs:label "blow down valve"@en ; rdfs:label "válvula de blow down"@pt-br ; iof-av:naturalLanguageDefinition "A blow down valve is a valve that bears a designed function for rapid depressurization of high pressure systems."@en ; skos:definition "A blow down valve is a valve that bears a designed function for rapid depressurization of high pressure systems."@en ; iof-av:naturalLanguageDefinition "Uma válvula de blow down é uma válvula que possui uma função projetada para despressurização rápida de sistemas de alta pressão."@pt-br ; iof-av:semiFormalNaturalLanguageAxiom "Every blow down valve is a valve that has the function of rapid depressurization."@en ; iof-av:firstOrderLogicAxiom "∀x (BlowDownValve(x) ↔ Valve(x) ∧ ∃f (RapidDepressurizationFunction(f) ∧ bearerOf(x,f)))"@en ;
Axiomatization Decision LogRegistro de Decisões
1 Identity-Giving FunctionFunção Identitária
Function class
RapidDepressurizationFunction ⊑ DesignedFunction
Realized in
RapidDepressurizationProcess ⊑ PlannedProcess
The identity-giving function is the capability for rapid depressurization of high pressure systems. This is a specialized safety/operational function distinct from general flow control, as it specifically addresses emergency pressure release scenarios.
2 Genus DeterminationDeterminação do Gênero
Valvebfo:Object (BFO_0000030)
Both standards explicitly state this is a valve. 'Valve' is the most specific appropriate superclass and is already enriched in our ontology with FlowControlFunction. The parent_candidates include VALVE from iso15926, confirming this classification.
3 Differentia SpecificaDiferença Específica
∃bearerOf.RapidDepressurizationFunction

Bears a designed function for rapid depressurization of high pressure systems.

The differentia is the specialized function for rapid depressurization, which is distinct from general flow control. This function is specifically mentioned in both source definitions and represents the unique purpose that distinguishes blow down valves from other valve types.
4 Necessary PartsPartes Necessárias

No necessary parts recorded.

Blow down valves inherit the essential valve parts from their genus. No additional parts are universally necessary at this level as implementation can vary (manual operation, actuated, etc.)
Process Participation SignatureAssinatura de Participação em Processo
InputsEntradas
{'type': 'FluidPortion', 'count': 1, 'constraints': 'high pressure'}
OutputsSaídas
{'type': 'FluidPortion', 'count': 1, 'constraints': 'rapidly reduced pressure'}, {'type': 'FluidPortion', 'count': 1, 'constraints': 'vented to atmosphere or lower pressure system'}
TransformationTransformação
rapid pressure reduction through controlled fluid discharge
Takes high pressure fluid and rapidly reduces pressure by discharging fluid to atmosphere or lower pressure system. The key characteristic is the rapid nature of the depressurization.
MetadataMetadados
COPI IDCOPI IDCOPI_0000097
IRIIRIhttps://www.inf.ufrgs.br/ontologies/copi/COPI_0000097
StatusStatusexported
Axiom modeModoequivalent
CreatedCriado2026-04-16
UpdatedAtualizado2026-06-25
LLM modelModelo LLMclaude-sonnet-4-20250514
VersionVersão2026-07-13