The Netsys pipe sizing programs refer to Loading Units or Litres Per Second when setting up flowrates and outlets. The information below should help with converting between the two.
This information is most relevant when using the BS 6700 calculation method. For more information on BS 6700 and BS EN 806-3 please see this document.
This document is for guidance only. Please refer to BS 6700: 1987, Appendix E