Sewer Systems
Outfall Pipelines
Tanks and Containers
Storm Water Tanks
Special Applications
Industrial Applications
Home Applications Relining

The re-construction of damaged sewer pipes by means of relining, "pipe in pipe method", becomes more and more important. Krah pipes are very suitable for the relining process. Specific pipe stiffnesses can be calculated for all loads. Also in the area of short pipe relining, Krah pipes offer competent solutions. The welding can be carried out inside the shaft. Pipe lengths are available from 1m to 6 m. Krah pipes are able to re-establish the static carrying capacity of the sewer without the need of digging. In order to insert longer stretches, pipe lengths of up to 18 m can be pre-fabricated. With pipes DN 800 and larger, it is also possible to insert the pipe one by one into the existing sewer network and weld from the inside of the pipe.

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