IfcPump

IfcPump

Definition from IAI: An IfcPump is a device which imparts mechanical work on a liquid.

HISTORY: New entity in IFC R2x.
ISSUES: See issues and change log for changes made in IFC R2x.

Geometry Use Definitions

The geometric representation of IfcPump is given by the IfcProductDefinitionShape, allowing multiple geometric representations. Included are:

Local Placement

The use of local placement is defined at the supertype IfcDistributionFlowElement.

Standard Geometric Representation

The use of Standard Geometric Representations is defined at the supertype IfcDistributionFlowElement.

EXPRESS specification:

ENTITY IfcPump

SUBTYPE OF (

IfcFluidMovingDevice);

PumpType

IfcPumpTypeEnum;

NetPositiveSuctionHead

OPTIONAL IfcPressureMeasure;

ImpellerSealMaterial

OPTIONAL IfcMaterialSelect;

PumpBaseType

OPTIONAL IfcPumpBaseTypeEnum;

MotorDriveType

OPTIONAL IfcMoterConnectionTypeEnum;

END_ENTITY;

Attribute definitions:

PumpType	:	Defines the type of centrifugal pump typically used in building services.
NetPositiveSuctionHead	:	Minimum liquid pressure at pump inlet to prevent cavitation.
ImpellerSealMaterial	:	The material used for the impeller shaft seals.
PumpBaseType	:	Defines the type of base used for centrifugal pumps.
MotorDriveType	:	Defines the type of connection between the motor and the pump impeller.

References (1):

Name

Type

Referred through

Express-G

IfcFluidMovingDevice

Entity

Subtype

Diagram 3

Inheritance graph

ENTITY IfcPump;

ENTITY IfcRoot;

GlobalId

IfcGloballyUniqueId;

OwnerHistory

IfcOwnerHistory;

Name

OPTIONAL IfcLabel;

Description

OPTIONAL IfcText;

ENTITY IfcObject;

ObjectType

OPTIONAL IfcLabel;

INVERSE

IsDefinedBy

SET OF IfcRelDefines FOR RelatedObjects;

HasAssociations

SET OF IfcRelAssociates FOR RelatedObjects;

HasAssignments

SET OF IfcRelAssigns FOR RelatedObjects;

Decomposes

SET OF IfcRelDecomposes FOR RelatedObjects;

IsDecomposedBy

SET [0:1] OF IfcRelDecomposes FOR RelatingObject;

ENTITY IfcProduct;

ObjectPlacement

OPTIONAL IfcObjectPlacement;

Representation

OPTIONAL IfcProductRepresentation;

INVERSE

ReferencedBy

SET OF IfcRelAssignsToProduct FOR RelatingProduct;

ENTITY IfcElement;

Tag

OPTIONAL IfcIdentifier;

INVERSE

ConnectedTo

SET OF IfcRelConnectsElements FOR RelatingElement;

ConnectedFrom

SET OF IfcRelConnectsElements FOR RelatedElement;

ContainedInStructure

SET [0:1] OF IfcRelContainedInSpatialStructure FOR RelatedElements;

ENTITY IfcDistributionFlowElement;

FlowElementType

IfcDistributionFlowElementTypeEnum;

INVERSE

HasControlElements

SET [0:1] OF IfcRelFlowControlElements FOR RelatingFlowElement;

ENTITY IfcFluidMovingDevice;

PrimaryEnergySource

OPTIONAL IfcEnergySourceEnum;

ImpellerDiameter

OPTIONAL IfcLengthMeasure;

ENTITY IfcPump;

PumpType

IfcPumpTypeEnum;

NetPositiveSuctionHead

OPTIONAL IfcPressureMeasure;

ImpellerSealMaterial

OPTIONAL IfcMaterialSelect;

PumpBaseType

OPTIONAL IfcPumpBaseTypeEnum;

MotorDriveType

OPTIONAL IfcMoterConnectionTypeEnum;

END_ENTITY;