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A duct fitting is a junction or transition in a ducted flow distribution system or used to connect duct segments, resulting in changes in flow characteristics to the fluid such as direction and flow rate.HISTORY New entity in IFC4{ .note}


Colour of this object.

Area of the cross section.

Total Gross Weight of the object without any add-on parts and not taking into account possible processing features (cut-out's, etc.) or openings and recesses.

TRUE if the fitting has interior duct insulating lining, FALSE if it does not.

The interior roughness of the material of the object.

The length of the object.

Area of the cross section of the object.

Total area of the surfaces of the object (not taking into account the end cap areas), normally generated as perimeter * length in case of extrusions.

Nominal pressure rating of the object.

Reference ID for this specified type in this project (e.g. type 'A-1'), Also referred to as "construction type". It should be provided as an alternative to the name of the "object type", if the software does not support object types and no classification reference to a recognized classification system used.IFC4.3.0.0 DEPRECATION The Reference property is deprecated and shall no longer be used, use attribute Name on the relating type instead.

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