Karl Weiss Technologies GmbH products

A trenchless process for replacing drinking water and gas mains pipelines up to a diameter of DN 400 (400 mm) and with individual extraction sections of up to 150m in length. These individual extraction sections are subdivided into partial extraction sections of up to 50m by the necessary intermediate pits for mains connections, hydrants etc.

hydros®STEEL: rehabilitation of mains pipelines, not only of steel. A trenchless process for renewing drinking water and gas mains pipe lines with a diameter of up to DN 300 and sections up to 200m long. The hydros®STEEL method is based on the tried and tested hydros®PLUS method and is used for renewing steel pipes as well as ductile cast iron and plastic pipelines, preferably with PE pipes.