Abstract: The fire protection system is for two or more supply lines (10), especially supply lines (10) mounted on a route (16) or a rack (18). The supply lines (10) are entirely surrounded by an isolating layer (12) made of a non-flammable or hardly combustible insulating material while a hollow space (15) is embodied between the supply lines (10) and the isolating layer (12). An insulating layer (14, 24) comprising an intumescent insulating layer-forming agent or an ablation is applied to the inside and/or outside of the isolating layer (12) to create a fire protection system for supply lines which ensures sufficient functionality of the supply lines even when space is limited.

Abstract: The heating and/or sanitation pipe comprises an inner pipe (12) made of a plastic material and a metal corrugated pipe (14) surrounding the inner pipe (12) at a radial distance {circle around (R)}). Further, the heating and/or sanitation pipe is provided with a compressible and/or expanded material (16) between the inner pipe (12) and the corrugated pipe (14) for fixing the inner pipe (12) inside the corrugated pipe (14). The compressible and/or expanded material (16) is adapted to be detached from the inner pipe for the purpose of exposing a connecting end of the inner pipe (12). Further, the heating and/or sanitation pipe comprises an insulation layer (18) surrounding the metal corrugated pipe (14) and an outer covering (20) around the insulation layer (18).

Abstract: The heating and/or sanitation pipe comprises an inner pipe (12) made of a plastic material and a metal corrugated pipe (14) surrounding the inner pipe (12) at a radial distance®). Further, the heating and/or sanitation pipe is provided with a compressible and/or expanded material (16) between the inner pipe (12) and the corrugated pipe (14) for fixing the inner pipe (12) inside the corrugated pipe (14). The compressible and/or expanded material (16) is adapted to be detached from the inner pipe for the purpose of exposing a connecting end of the inner pipe (12). Further, the heating and/or sanitation pipe comprises an insulation layer (18) surrounding the metal corrugated pipe (14) and an outer covering (20) around the insulation layer (18).

Abstract: A utility duct for elongated utility members is mountable on a wall structure and includes a retaining strip disposed on the wall structure and a capping member. Upper and lower connectors connect the capping member to the retaining strip to thereby form an internal duct passage for the utility members. The retaining strip has a plurality of supporting walls which together with the retaining strip form gutter-shaped channels for supporting the utility members. At least one of the supporting walls has an outer end formed as a seat which seats against the capping member when the capping member is mounted on the retaining strip by the upper and lower connectors.

Abstract: An installation duct for utility lines, particularly for two-pipe installations, is formed by a retaining strip at the wall side and a capping attached thereto, and can be provided in the upper region with a feedthrough opening for vertical branch piping. In order to close off the installation duct in the region of the branch piping with little effort and to fashion it so that it can be made to fit different pipe diameters, the capping has, in the region of the feedthrough opening, a covering hood which can be made to fit different branch piping arrangements.