Sewage system with separating line designed respectively between adjacent sewage pipes in which prim. seal is arranged

摘要

The sewage system is monitored regarding its soundness against leakage, using a test chamber (7), fillable with a test medium, designed and positioned between the primary seal (5) and the secondary seal (6). The soundness of sealing is controllable permanently using tightness monitor (12) readable from the inside of the sewage pipes (2,3).