IFC (IFC4X3_ADD2) under development Pset_DuctSilencerTypeCommon Semantic definition

Duct silencer type common attributes.

InsertionLoss and RegeneratedSound attributes deleted in IFC2x2 Pset Addendum: Use IfcSoundProperties instead. Applicable entities Properties

Name Property Type Data Type Description
Reference IfcPropertySingleValue IfcIdentifier

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.

Status IfcPropertyEnumeratedValue PEnum_ElementStatus

Status of the element, predominately used in renovation or retrofitting projects. The status can be assigned to as "New" - element designed as new addition, "Existing" - element exists and remains, "Demolish" - element existed but is to be demolished, "Temporary" - element will exists only temporary (like a temporary support structure).

HydraulicDiameter IfcPropertySingleValue IfcLengthMeasure

Hydraulic diameter.

Length IfcPropertySingleValue IfcPositiveLengthMeasure

The length of the object.

Weight IfcPropertySingleValue IfcMassMeasure

Total weight of object

AirFlowRateRange IfcPropertyBoundedValue IfcVolumetricFlowRateMeasure

Possible range of airflow that can be delivered.

WorkingPressureRange IfcPropertyBoundedValue IfcPressureMeasure

Allowable minimum and maximum working pressure (relative to ambient pressure).

TemperatureRange IfcPropertyBoundedValue IfcThermodynamicTemperatureMeasure

Allowable maximum and minimum temperature.

HasExteriorInsulation IfcPropertySingleValue IfcBoolean

TRUE if the silencer has exterior insulation. FALSE if it does not.


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