CROWN

Slide valves and valves of water flushing systems made of metal, gutters, ducts, overflow weirs, dentated sills, dipping walls, check valves, covers, gratings, screens, parapets, sand catchers, gratings and cleaning devices for gratings, all these goods entirely or partially made of metal and/or of plastic material

Valves, sieves, crushers for coarse materials, mixers, wastewater and sludge pumps, including pump guides, all these goods entirely or partially made of metal and/or of plastic material

Machines, mechanical apparatus and their parts for accumulation, treatment, ventilation, transport and drainage of water and wastewater, of materials caught by gratings as well as of sludge sediments in hydraulic management of agglomerations, particularly throttling, control and regulation apparatus for regulating wastewater or rainwater flow, flushing systems for rainwater storage basins and accumulation tanks consisting of flushing chambers, slide valves and valves for flushing systems made of metal as well as control and regulation installations for the latter, gutters, ducts, valves, overflow weirs, dentated sills, dipping walls, check valves, covers, gratings, screens, parapets, sieves, sand catchers, gratings and cleaning devices for gratings, crushers for coarse materials, inlets, surface water and underground water aerators, aeration rotors, mixers, wastewater and sludge pumps, including pump guides, all these goods entirely or partially made of metal and/or of plastic material

Gutters, ducts, overflow weirs, dentated sills, dipping walls, covers, gratings, screens, parapets, sand catchers, gratings and cleaning devices for gratings, all these goods entirely or partially made of plastic material and/or of metal