Pipeline element for sewage and drainage pipelines with a revision opening

摘要

The device has an inspection opening enclosed by an inspection shaft wall (12) that can be closed by a cover element (20), whereby the cover element and the inspection shaft wall are not round. The cover element is formed at least from a stop body (26) for insertion into the inspection shaft wall with at least one externally applied annular seal (27) and a flange (24) that forms a lateral collar on at least part of the circumference of the stop body.