With the Valsir Product Line Calculator for Revit it is very easy to draw Valsir supply and waste systems twice as fast with up‑to‑date and localized Valsir content. The calculations functionality for waste water systems is fully Revit integrated and EU compliant and reduces the chance of errors to a minimum with both design and calculation taking place in the App. You can download the app for free from [a href="https://www.mepcontent.com/en/apps/" target="_blank"]BIM Manufacturer Apps.
Valsir