BAUELEMENT FÜR DEN BRANDSCHUTZ EINER ABLAUFVORRICHTUNG SOWIE ABLAUFVORRICHTUNG MIT EINEM DERARTIGEN BAUELEMENT

摘要

Commercial or industrial premises have floors incorporating one or more a drain apertures for water or foam resulting from fire-fighting operations. The drain has a heat-resistant surround (12) with a fire-protection lining (13) which foams up in the presence of heat. The drain surround esp. couples with a further pipe. The surround (12) and foam lining (13) are esp. combined in a single unit.