Fire protection gully -, fans and - pipe passage for the roof, the ceiling and wall

摘要

Fire protection gully, - and - pipe passage for the roof, the ceiling and wall characterized in that a commercially available dn - sleeves pipe connection piece (1) made of non-combustible material (e.g, of stainless steel, galvanized steel or cast material) of a non-combustible, supporting collar plate (2), for example made of stainless steel, galvanized sheet steel or cast material, is fastened with refractory material, as an alternative to the refractory compound of the two individual parts (pipe socket & - collar plate) also a directly from a casting or cast on variant, which can be inserted. (1+2)