| 摘要 |
<p>The smoke protection sealing (1) has a pipe penetration in a fire protection wall (3). The fire protection wall in area of the pipe penetration has a sheet metal covering (4) with a cut-out for the pipe penetration with an air gap between a pipeline (2) and the sheet metal covering. The cut-out edge has a sheet metal collar (5) for fastening a smoke protection compensator (6). The sheet metal collar runs perpendicular to the sheet metal covering and parallel to the pipeline. The smoke protection compensator consists of a funnel-shaped silicon-coated glass fiber cloth.</p> |
