IFC 4.3.x development

7.5.2.25 IfcPipeFittingTypeEnum

7.5.2.25.1 Semantic definitions at the entity

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.

Items

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.

7.5.2.25.1 Formal representations

TYPE IfcPipeFittingTypeEnum = ENUMERATION OF
	(BEND
	,CONNECTOR
	,ENTRY
	,EXIT
	,JUNCTION
	,OBSTRUCTION
	,TRANSITION
	,USERDEFINED
	,NOTDEFINED);
END_TYPE;