Keulahütte GmbH (KEULA), a brand of Von Roll Hydro
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Vonroll Keula - Model CEMPUR -Stable and Flexible Pressure Pipe
Centrifugally cast, mechanically stable and flexible pressure pipe made from ductile cast iron; polyurethane (PUR) lining and cement mortar coating (CMC) externally. Suitable for high-performance applications, such as for turbine pipes in difficult terrain and for installation in the revolutionary sponge city concept. Ductile cast-iron pipes with optimised energy efficiency for high-performance applications.
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- Technical operating life of up to 140 years
- Fully protected pipe
- CMC is considered to be a reinforced coating in accor-dance with EN 545 and 598, usable in all soil types of any corrosiveness
- Compatible with the sponge city concept: Full use of the excavated material and the excavated space as water storage
- Extremely quick, reliable and cost-effective installation (even in applications where frost can occur)
- PUR lining with a layer thickness of 1.3–1.5 mm
- Suitable for all water types (including low-lime and lime-dissolving water) and (industrial) wastewater with pH values of 1–14
- Minimal wall roughness of k = 0.0014 mm (in accordance with SVGW W4) and the maximum possible nominal in- side diameter for the relevant nominal size for maximum hydraulic capacity