Component Selection Tab
- Last UpdatedFeb 11, 2025
- 2 minute read
Sets the available trunnion types that can be used on a project, and which trunnion bore sizes and trunnion components are available to the user.

Trunnion Bores List
The size of the pipe is specified by clicking the Bore up/down arrows. The available trunnion bores for the selected trunnion type and pipe bore display in the Trunnion Bores list.
To make a trunnion bore size available to the user, select an item in the Inactive list and click the right arrow at the side of the list. The item is transferred to the adjacent Active list. Click the left arrow to reverse the action.
The default trunnion bore displays at the top of the Active list.
Trunnion Sizes
The trunnion size is the length of the trunnion from the bottom of the trunnion baseplate, (not the bearing plate) to the center of the pipe to which it is welded/clamped.
The minimum and maximum trunnion size for the selected trunnion type and pipe bore can be set, as well as the default trunnion size (length).
Components for Trunnion Bore List
The available ancillary components for the selected trunnion are listed. A list is available for each component type based on support class.
The support classes for trunnions are:
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TRUNNION BASE PLATE
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TRUNNION BEARING PLATE
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TRUNNION COLLAR PLATE
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TRUNNION CLAMP
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ISOLATION BLOCK
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BREAK OUT PLATES
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INLINE REINFORCING PLATE
To make a trunnion component available to the user, select an item in the Inactive list and click the right arrow at the side of the list. The item is transferred to the adjacent Active list. Click the left arrow to reverse the action.
The default trunnion component displays at the top of the Active list.
Preview
The preview part of the Component Selection tab allows you to view a 2D representation of the currently selected trunnion component.
Right-Click Menu
You can right-click either the list of active trunnion bores or the list of active trunnion bore components to display a drop-down menu.

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Make default (move to top) |
Select from the drop-down menu to define the selected trunnion bore/trunnion component as the default. |
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Move up |
Select from the drop-down menu to move the selected trunnion bore/trunnion component up one position on the list of active trunnion bores/list of active trunnion components. |
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Move down |
Select from the drop-down menu to move the selected trunnion bore/trunnion component down one position on the list of active trunnion bores/list of active trunnion components. |