Use this procedure to delete a pipe spec from the Pipe Specs supporting table.
You cannot delete a pipe spec that is currently assigned to lines. First edit the lines to which the pipes spec that you want to delete is assigned.
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In the Process Data Module window, select to open the Select Line dialog.
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From the Line type list, select a line type.
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Select New to open the Line Properties dialog.
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Beside the Pipe spec list, select to open the Pipe Specs dialog.
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Select the pipe spec that you want to delete, and select Delete.
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Repeat the previous step for each pipe spec that you want to delete.