You can place flow arrows on pipe objects in orthographic drawings with the Place a Label Command in the SmartSketch Drawing Editor.
You can also add flows arrows as part of the drawing view style definition.
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Right-click a drawing, and click Edit on the shortcut menu. The drawing opens for editing in SmartSketch Drawing Editor.
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On the toolbar, click Manually Place Labels .
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Click an object in a drawing view to label.
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In the Label Name list, select More to open the Select Label Rule Dialog.
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Select a flow label template folder in the left pane of the dialog, select a specific label name in the right pane, and then click OK.
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Select a pipe object in the drawing to place the label.
If the arrow has a red-crossed circle over it, the selected pipe does not have flow direction defined.
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Right-click to end the command. Save your changes before exiting SmartSketch Drawing Editor.
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To move the flow arrow after placing it, click and drag the arrow by its origin point, identified by the green circle in the middle of the flow arrow object.
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You can remove manual edits from a drawing using the Clear Manual Edits Command in the SmartSketch Drawing Editor.
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Centerlines must display for pipelines before flow arrows can be placed.