The ACU-VAC Vacuum Flushing System is designed to flush storm water, surface water, combined sewage/storm, raw sewage storage tanks, and equalization basins. The ACU-VAC can be used in circular storm tanks (up to 65m diameter), rectangular storm tanks (up to 150m in length), and sewer networks (up to 250m in length).
The ACU-VAC is designed to have a tank floor gradient between 0.5-2%. Circular tanks with a diameter of 165 ft (50m) or more can use the ACU-VAC Vacuum Flushing System.