IfcPipeFittingTypeEnum

BACnet MVD

#### IfcPipeFittingTypeEnum

Natural language names

| Pipe Fitting Type Enum
| Enumération des types de raccord de tuyauterie

##### Semantic definitions at the type

Type definition

This enumeration is used to identify the primary purpose of a pipe fitting. This is a very basic categorization mechanism to generically identify the pipe fitting type. Subcategories of pipe fittings are not enumerated.

> HISTORY New enumeration in IFC2x2.

Enumeration definition

Constant | Description
--- | ---
BEND | A fitting with typically two ports used to change the direction of flow between connected elements.
CONNECTOR | Connector fitting, typically used to join two ports together within a flow distribution system (e.g., a coupling used to join two pipe segments).
ENTRY | Entry fitting, typically unconnected at one port and connected to a flow distribution system at the other (e.g., a breeching inlet).
EXIT | Exit fitting, typically unconnected at one port and connected to a flow distribution system at the other (e.g., a hose bibb).
JUNCTION | A fitting with typically more than two ports used to redistribute flow among the ports and/or to change the direction of flow between connected elements (e.g, tee, cross, wye, etc.).
OBSTRUCTION | A fitting with typically two ports used to obstruct or restrict flow between the connected elements (e.g., screen, perforated plate, etc.).
TRANSITION | A fitting with typically two ports having different shapes or sizes. Can also be used to change the direction of flow between connected elements.
USERDEFINED | User-defined fitting.
NOTDEFINED | Undefined fitting.

##### Formal representations

XML Specification
`<xs:simpleType name="IfcPipeFittingTypeEnum">
<xs:restriction base="xs:string">
<xs:enumeration value="bend"/>
<xs:enumeration value="connector"/>
<xs:enumeration value="entry"/>
<xs:enumeration value="exit"/>
<xs:enumeration value="junction"/>
<xs:enumeration value="obstruction"/>
<xs:enumeration value="transition"/>
<xs:enumeration value="userdefined"/>
<xs:enumeration value="notdefined"/>
</xs:restriction>
</xs:simpleType>
`
EXPRESS Specification
`TYPE IfcPipeFittingTypeEnum = ENUMERATION OF (
BEND,
CONNECTOR,
ENTRY,
EXIT,
JUNCTION,
OBSTRUCTION,
TRANSITION,
USERDEFINED,
NOTDEFINED);
END_TYPE;

EXPRESS-G diagram

`

References: IfcPipeFitting IfcPipeFittingType

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