The Pipe Labels commands are used to customize the pipe labels used in your project.
See the General Customization Commands section for more information about how the Edit Project List, Edit Standards List, Copy Project List to Standards, and Copy Standards List to Project commands work.
To customize the pipe labels in the current project, go to
Ribbon: DMP: Customization->Project Customization-> 
Pipe Labels
Pulldown Menu: DM Plumbing->Customization->Pipe Labels->Edit Project List
To customize the pipe type standards, go to
Ribbon: DMP: Customization->Standards Customization-> 
Pipe Labels
Pulldown Menu: DM Plumbing->Customization->Pipe Labels->Edit Standards List
Pipe Labels Dialog Box
Edit Pipe Types: Press this button to open the Pipe Types dialog box.
Layer System: The layer system for each pipe type. This list cannot be edited in this dialog box. See the Pipe Types and Layers sections for more information about editing this list.
Plan-View Label Format: The information to be displayed when the label is inserted on the plan view.
Isometric Label Format: The information to be displayed when the label is inserted in an isometric diagram. Enter <Same as Plan-View Label Format> to use the value entered in the Plan-View-Label Format field.
Pipe Label Variables: The available variables you can include in the pipe label.
$SIZE: The size of the pipe.
$FLOW: The calculated pipe flow value for the pipe.
$SECTIONLENGTH: The distance from the pipe being labeled to the furthest downstream pipe.
$TOTALLENGTH: The total length of the longest run in the pipe system, regardless of which pipe is being labeled.
$MAXZ: The maximum height of any pipe in the system.
Press the OK button to save your changes. Run the Update Drawing Graphics command to display the updated information on existing pipe labels.