Chain Barn Cleaning - a simple and flexible solution Chain Barn Cleaning is a simple solution where a chain pulls the scrapers. • A very flexible solution The chain cleaning is suitable for almost any type of barn.  • High capacity The system pulls up to 150 m chain length in dung elevator lenghts from 2.5 to 15 m. - Chain speed 6 m per minute.  • Sturdy construction Chain links are made of drop-forged quality steel. The scraper is movable and thus gentle to the animals.