Pipes often have to cross under water or buildings,
This are huge requirements to the pipe material. For this reason, only ductile iron pipes with VRS®-T restrained joints and ZMU-Austria coating are generally used for this purpose. These pipes are also known as culverts. The pipe can be pre-assembled in the dry – the VRS®-T restrained joint enables subsequent installation.
Culverts are often lifted with cranes, pulled into prepared channels with winches or installed without trenches using wash drilling.
- Ductile iron gives the pipes high dimensional stability
- Various coatings provide particularly high corrosion protection
- Simple application as a complete system
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