- Flat gratings with mechanical cleaning, type GRP
- Grit-catcher and cleaner type NA
- Scraper for primary radial settling tank DLP
- Scraper type DRSL with blade for secondary radial settling tank
- Scraper for secondary radial settling tank with hydraulic sludge removal DRSH
- Scraper for longitudinal settling tank type DLSS with hydraulic sludge removal by siphoning
- Scraper for secondary longitudinal settling tank type DLSS with sludge removal by pumping
- Scrapers for sludge thickener type IN
- Mechanical equipment for methane-tank.