GRAF Australia

Project assistance

Design tools

Interactive calculators to size rainwater storage, stormwater detention and pump systems - built on the same engineering logic our team uses in the field.

HAURATON RECYFIX PRO finder

Live

Official HAURATON product finder for Australian surface drainage — channels, gratings and accessories.

Open tool

Rainwater tank sizer

Coming soon

Calculate storage volume from roof catchment, rainfall and demand.

Stormwater detention calculator

Coming soon

Size EcoBloc detention volume for your site and council requirements.

Pump station packager

Live

Wet-well volume, duty head, ranked pumps and accessories for stormwater and wastewater stations.

Open tool

Pipe friction loss

Coming soon

Estimate head loss through pipe runs for system design.

Working calculator prototypes exist in the project archive - they'll be ported into this hub next. Need sizing now? Request a quote and our team will size your system.

Ready to size your system?

Tell us about your site and water needs - we'll recommend the right products and configuration.

Request a quote