View and modify the instance properties that define MEP fabrication parts.
To change instance properties, select the element and change its properties on the Properties palette.
| Name | Description | Available in Schedules | Available in Tags | Available in View & Selection Filters |
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| Constraints | ||||
| Product Entry | Displays the available product list entries for a fabrication part. | |||
| Reference Level | Defines the associated level of a fabrication part. | 
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| Upper End Top Elevation | Defines the elevation at the top of the upper end. | |||
| Middle Elevation | Defines the offset or elevation. | |||
| Lower End Bottom Elevation | Defines the elevation at the bottom of the lower end. | |||
| Offset | Defines the offset or elevation of a fabrication part. | |||
| Slope | Defines the steepness of a fabrication part. |
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| Start Offset | Defines the distance of the start point from the reference level for a fabrication part. | |||
| End Offset | Defines the distance of the end point from the reference level for a fabrication part. | |||
| Primary End | ||||
| Main Primary Depth | Defines the depth of the primary end. |
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| Main Primary Depth Option | Defines how the primary depth is controlled. | |||
| Main Primary Diameter | Defines the diameter of the primary end. |
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| Main Primary Diameter Option | Defines how the primary diameter is controlled. | |||
| Main Primary Width | Defines the width of the primary end. |
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| Main Primary Width Option | Defines how the primary width is controlled. | |||
| Secondary End | ||||
| Main Secondary Depth | Defines the depth of the secondary end. |
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| Main Secondary Depth Option | Defines how the secondary depth is controlled. | |||
| Main Secondary Diameter | Defines the diameter of the secondary end. |
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| Main Secondary Diameter Option | Defines how the secondary diameter is controlled. | |||
| Main Secondary Width | Defines the width of the secondary end. |
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| Main Secondary Width Option | Defines how the secondary width is controlled. | |||
| Dimensions | ||||
| Angle Option | Defines whether the angle of a fabrication part is set automatically or entered manually. | |||
| Angle | Defines the angle for a fabrication fitting. |
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| Outside Diameter | Defines the outer diameter for a pipe section. | |||
| Inside Diameter | Defines the inner diameter for a pipe section. |
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| Wall Thickness | Displays the material thickness of a pipe section. |
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| Length Option | Defines whether the length of a fabrication part is set automatically or entered manually. | |||
| Length | Defines the length of a fabrication part. |
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| Size | Displays the size of a fabrication part. |
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| Part Material Thickness | For fabrication ductwork, displays sheet metal thickness. | |||
| Top | Displays the elevation at the top of the fabrication part. |
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| Bottom | Displays the elevation at the bottom of the fabrication part. |
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| Mechanical | ||||
| Specification | Defines the specification for a fabrication part. |
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| Part Material | Defines the material for a fabrication part. |
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| Insulation Specification | Displays the insulation specification for the fabrication part. | |||
| Stiffener Specification | For fabrication ductwork, displays the stiffener specification. | |||
| Fabrication Service | Displays the service for a fabrication part. |
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| Weight | Displays the weight of a fabrication part. |
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| Roughness | Defines the roughness used to calculate the relative roughness of the duct or of a pipe against the size of its diameter. |
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| Double Wall Material | Defines the angle for a fabrication fitting. |
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| Double Wall Material Thickness | Defines the material thickness of the second skin for insulated ductwork. |
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| Part Material Thickness | For fabrication ductwork, displays sheet metal thickness. |
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| Mechanical - Flow | ||||
| Section | Defines a run of segments and fittings that have the same velocity, for example, the same flow, size, and shape. |
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| Flow | Displays the flow rate for the selected duct or pipe. |
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| Relative Roughness | Defines the roughness used to calculate the relative roughness of the duct. |
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| Reynolds Number | Displays the Reynolds Number for the selected duct. The Reynolds Number is used to help predict flow patterns in a duct. |
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| Flow State | Displays the flow state for the selected pipe. Flow through a duct or pipe can be classified as laminar, turbulent, or transitional (also called critical), depending on the Reynolds number. |
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| Velocity | Displays the velocity for the selected duct or pipe. The velocity of flow depends on the size of the duct or pipe and the flow rate. |
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| Velocity Pressure | Displays the difference between the total pressure and static pressure for the selected duct or pipe. Pressure loss is proportional to the velocity pressure in turbulent flows. |
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| Friction Factor | Displays the friction factor for the selected duct or pipe. The friction factor is calculated for a duct or pipe with turbulent flow. |
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| Friction | Displays the friction for the selected duct or pipe. The amount of pressure loss per length unit due to friction in a duct or pipe. |
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| Pressure Drop | Displays the pressure drop for the selected duct, pipe, fitting, or connector. To see the pressure drop for each path through the fitting, check the pressure loss report. This is a read-only parameter. |
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| Critical Path | Indicates whether the selected pipe is on the critical path of the network. This is a read-only parameter. |
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| Identity Data | ||||
| Image | The image associated with this element instance. To change the image, click the value field and click the browse button to open the Manage Images dialog. | |||
| Comments | Displays a comment that you enter or select from the drop-down list. Once entered, you can select a comment for other instances of elements in the same category, regardless of type or family. | |||
| Mark | A user-defined element label. Use Mark values to tag elements and identify them in a schedule. | |||
| Alias | Displays additional information about a fabrication part. Commonly used to display abbreviations, such as FD or VCD on equipment. |
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| Item Number | Displays the item number for a fabrication part. The item number is most commonly used as a way of identifying fittings either for manufacture or location purposes. |
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| Product Code | Displays the product code for a fabrication part. The product code uniquely identifies the items in the fabrication configuration. |
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| Fabrication Notes | Displays the user-defined manufacturing-specific notes for a fabrication part. |
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| Insulation | ||||
| Overall Size | Displays the size, including the insulation, for a fabrication part. |
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| Insulation Type | Displays the type of insulation for a fabrication part. |
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| Insulation Thickness | Displays the thickness of the insulation for a fabrication part. |
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| Lining | ||||
| Lining Type | Displays the type of lining for a fabrication part. |
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| Lining Thickness | Displays the thickness of the lining for a fabrication part. |
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| Fabrication Product Data | ||||
| OEM | Displays the original equipment manufacturer from the manufacturer's datasheet for a fabrication part. |
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| Product Short Description | Displays the OEM-defined short description for a fabrication part. |
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