| 摘要 |
A pipe transit system comprising a conduit (1) having an inner wall and at least one pipe (3) extending through the conduit in an axial direction thereof so that the conduit (1) has a pipe-part that is occupied by the at least one pipe, wherein the system further comprises a first and a second sealing device (I, II) inserted in the conduit (1) each for sealing between an inner wall of the conduit and the at least one pipe (3) so that the conduit also has a sealed-part, wherein in the sealed-part between the first and the second sealing device at least one third sealing device (III) for sealing between the inner wall of the conduit and the at least one pipe is positioned, each of the first, the second and the third sealing device being a separate entity and being unconnected to any of the other respective sealing devices. |
