IfcTubeBundleTypeEnum

FINNED: Finned tube bundle type.
USERDEFINED: User-defined tube bundle type.
NOTDEFINED: Undefined tube bundle type.

Definition from IAI: Enumeration defining the typical types of tube bundles. The IfcTubeBundleTypeEnum contains the following:

HISTORY: New enumeration in IFC 2x2.

EXPRESS specification:

TYPE IfcTubeBundleTypeEnum = ENUMERATION OF

(	FINNED, USERDEFINED, NOTDEFINED);

END_TYPE;