This program has many pipe diameters that you can insert to your drawing from the list based on your desired system ( Imperial or Metric ) with quite many options.
Download from : THIS LINK
Pipes Diameters Program
This program has many pipe diameters that you can insert to your drawing from the list based on your desired system ( Imperial or Metric ) with quite many options.
Download from : THIS LINK
Tharwat Al Choufi 