Containment system of water-hazardous substances in drainage systems

摘要

Glycol protector for the protection of the introduction of substances hazardous to water into a drainage system characterized by a mechanical valve (2) operated by an engine (1) to close a water flow into a drainage system. The valve can be held back by a lift of 2-80mm between 0 or 100% opening degree 0 - 100% of the introduced water.