District heating pipes

District heating is a relatively environmentally friendly process to provide thermal energy. To transport the heat from producers to consumers, a heat-insulated pipeline system is used, which is mostly laid underground.
    
A reliable basis: extrusion technology from battenfeld-cincinnati provides the basic equipment for producing plastic casing pipes with a service life of more than 30 years. The pipes are resistant against chemicals and salts, physical impact and corrosion, and come with a top-class insulation effect, about 40 per cent above that of conventional pipes – for an extremely low effective heat loss rate.

On our application-optimized extrusion lines, pipes for distance heating are created to withstand operating pressures of 40 bar and water temperatures of up to 150 °C. Due to the need to withstand extreme pressures and thermal loads, the internal medium pipe inside the plastic casing pipe is made of PE-Xa, polybutylene or steel. Normal medium pipe dimensions range from DN 15 to DN 1,200. The casing pipes come in sizes of up to 2,000 millimeters.

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