Cleuson dixence in Valais

Optimum steel corrosion protection in hydropower plant:
The Grande Dixence pumped-storage power plant encompasses 20 % of the storage capacity in Switzerland. For the renovation of the pressure pipework, pipe segments with a diameter of three meters were manufactured in situ and let into the existing armouring. The whole was welded together over a length of around four kilometres. To protect against corrosion inside the pipeline SikaCor Zinc R was applied as a base coat and SikaCor SW 500 as a topcoat over the entire surface of 40,000 m². Controlled heating of the coating material optimised the quality and performance of the corrosion protection.


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