exported
equivalent
rupture disc
IRI:
http://www.inf.ufrgs.br/ontologies/copi#Rupturedisc
Generated on 2026-04-16
Natural Language Definition
EN
A rupture disc is an instrument that realizes pressure relief through irreversible rupture at a calibrated pressure.
PT-BR
Um disco de ruptura é um instrumento que realiza alívio de pressão através de ruptura irreversível em uma pressão calibrada.
Formal Axioms
Semi-formal (Aristotelian)
Every rupture disc is an instrument that has the function to relieve pressure and participates in irreversible rupture processes at calibrated pressure thresholds.
First-Order Logic Theory
Loading…
▸ Stored override
∀x (RuptureDisc(x) ↔ Instrument(x) ∧ ∃f(PressureReliefFunction(f) ∧ bearerOf(x,f)) ∧ ∃p(IrreversibleRuptureProcess(p) ∧ participatesIn(x,p)) ∧ ∃q(CalibrationPressure(q) ∧ hasQuality(x,q)))
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: RuptureDisc
<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" ;
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 "2026-10-08"^^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
:COPI_0000169 rdf:type owl:Class ; # PressureReliefFunction
rdfs:subClassOf iof-core:DesignedFunction ;
rdfs:subClassOf [
rdf:type owl:Restriction ;
owl:onProperty bfo:BFO_0000054 ; # realizedIn
owl:allValuesFrom :COPI_0000610 # PressureReliefProcess
] ;
rdfs:subClassOf [
rdf:type owl:Restriction ;
owl:onProperty bfo:BFO_0000054 ; # realizedIn
owl:someValuesFrom :COPI_0000610 # PressureReliefProcess
] ;
rdfs:label "pressure relief function"@en ;
rdfs:label "função de alívio de pressão"@pt-br .
### Process type
:COPI_0000610 rdf:type owl:Class ; # PressureReliefProcess
rdfs:subClassOf :COPI_0000010 ; # FlowControl
rdfs:label "pressure relief process"@en ;
rdfs:label "processo de alívio de pressão"@pt-br .
:COPI_0000010 rdf:type owl:Class . # FlowControl
:COPI_0000610 # PressureReliefProcess
rdfs:subClassOf [
rdf:type owl:Restriction ;
owl:onProperty iof-core:hasInput ;
owl:someValuesFrom :COPI_0000037 # PortionOfFluid
] ;
rdfs:subClassOf [
rdf:type owl:Restriction ;
owl:onProperty iof-core:hasSpecifiedOutput ;
owl:someValuesFrom :COPI_0000037 # PortionOfFluid
] .
### Equipment universal: RuptureDisc
:COPI_0000343 rdf:type owl:Class ; # RuptureDisc
owl:equivalentClass [
rdf:type owl:Class ;
owl:intersectionOf (
:COPI_0000091 # Instrument
[
rdf:type owl:Restriction ;
owl:onProperty iof-core:hasFunction ; # Object branch (MaterialArtifact/Assembly/Object/FiatObjectPart)
owl:someValuesFrom :COPI_0000169 # PressureReliefFunction
]
)
] ;
rdfs:label "rupture disc"@en ;
rdfs:label "disco de ruptura"@pt-br ;
iof-av:naturalLanguageDefinition "A rupture disc is an instrument that realizes pressure relief through irreversible rupture at a calibrated pressure."@en ;
skos:definition "A rupture disc is an instrument that realizes pressure relief through irreversible rupture at a calibrated pressure."@en ;
iof-av:naturalLanguageDefinition "Um disco de ruptura é um instrumento que realiza alívio de pressão através de ruptura irreversível em uma pressão calibrada."@pt-br ;
iof-av:semiFormalNaturalLanguageAxiom "Every rupture disc is an instrument that has the function to relieve pressure and participates in irreversible rupture processes at calibrated pressure thresholds."@en ;
iof-av:firstOrderLogicAxiom "∀x (RuptureDisc(x) ↔ Instrument(x) ∧ ∃f(PressureReliefFunction(f) ∧ bearerOf(x,f)) ∧ ∃p(IrreversibleRuptureProcess(p) ∧ participatesIn(x,p)) ∧ ∃q(CalibrationPressure(q) ∧ hasQuality(x,q)))"@en ;
skos:definition "[ISO 15926-4] A <RUPTURE DISC> is an <INSTRUMENT COMPONENT> and an <OVERPRESSURE PROTECTOR> that is designed to burst at a certain excess pressure. It is a part of <RUPTURE DISC ASSEMBLY>"@en ;
skos:definition "[CFIHOS] A physical object that is a pressure relieving device designed to burst at a calibrated pressure to prevent pressure in systems or vessels from reaching unsafe levels."@en ;
skos:definition "[POSC Caesar] A physical object that is designed to burst at a certain excess pressure. It is part of a rupture disc assembly."@en .
# Disjointness: RuptureDisc and CheckValve
[] rdf:type owl:AllDisjointClasses ;
owl:members ( :COPI_0000343 :COPI_0000103 ) . # RuptureDisc, CheckValve
# Disjointness: RuptureDisc and ControlValve
[] rdf:type owl:AllDisjointClasses ;
owl:members ( :COPI_0000343 :COPI_0000087 ) . # RuptureDisc, ControlValve
# Disjointness: RuptureDisc and PressureGauge
[] rdf:type owl:AllDisjointClasses ;
owl:members ( :COPI_0000343 :COPI_0000143 ) . # RuptureDisc, PressureGauge
Axiomatization Decision Log
1
Identity-Giving Function
Function class
PressureReliefFunction
⊑ DesignedFunction
Realized in
PressureReliefProcess
⊑ FlowControl
The identity-giving function is pressure relief through controlled rupture/bursting at predetermined pressure. This is the same function as pressure relief valves but realized through different mechanism (irreversible rupture vs. resettable opening). Reusing existing PressureReliefFunction from the enriched classes.
2
Genus Determination
Instrument
ISO 15926 defines it as an INSTRUMENT COMPONENT, but reviewing the parent candidates and enriched classes, the most appropriate genus is Instrument. Rupture discs are instrumentation devices that provide measurement-triggered response (burst at calibrated pressure). They are not valves (no controllable flow path) nor general pressure relief devices (which would be too broad). Instrument captures the calibrated, measurement-responsive nature.
3
Necessary Parts
No necessary parts recorded (concept may be primitive at this level).
Every rupture disc requires a frangible element that ruptures and a seating surface to maintain position until burst pressure is reached. Additional components like holders are part of the assembly, not the disc itself.
4
Process Participation Signature ⟨I, O, T⟩
Inputs (I)
PortionOfFluid
— pressurized above calibration threshold
Outputs (O)
PortionOfFluid
— depressurized through rupture opening
Transformation (T)
pressure relief through irreversible barrier breach
Single inlet receiving overpressurized fluid, single outlet providing relief path after rupture. The transformation is instantaneous pressure relief through mechanical failure of the barrier.
5
Axiom Mode Decision
Necessary + Sufficient
— modelled as a defined class
(≡, EquivalentClass). Automatic classification is
appropriate for this concept.
Disjointness Axioms
check valve
control valve
pressure gauge
C4: check valve, pressure gauge. C?: control valve [kind_ambiguous]. Incompatible process signatures: rupture discs provide irreversible pressure relief vs. flow control/indication functions. Check valves prevent backflow but don't relieve pressure; control valves regulate flow but are resettable; pressure gauges indicate but don't provide relief.
Cross-Standard Observations
Strong consistency across standards on the core functional identity (burst at calibrated pressure). ISO 15926 provides most detail on structural relationships (part of assembly, with holders). CFIHOS emphasizes the safety function. All standards agree on the irreversible, calibrated nature distinguishing from resettable relief devices.
Source Definitions
3 sources
ISO 15926-4
RUPTURE DISC ↗
Definition text withheld (copyrighted standard) — follow the source link above.
CFIHOS
rupture disc
Definition text withheld (copyrighted standard) — follow the source link above.
POSC Caesar
Rupture Disc ↗
Definition text withheld (copyrighted standard) — follow the source link above.
Metadata
| Ontology | COPI |
| Research group | INF-UFRGS-Ontologies |
| Funding | CNPq INF-UFRGS-ENERGIA |
| Project | OntoKG / Petrobras |
| ID | #169 |
| Cluster | rupture disc |
| Status | exported |
| Axiom mode | equivalent |
| Created | 2026-04-16 |
| Updated | 2026-09-08 |
ISA 5.1-2022 P&ID Symbol
5_4_3/017_pressure_safety_element.png
