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900 m ductile cast iron pipe ND 600 replaced with HD-PE pipe OD 710

 In Trondheim, Norway’s third largest City, an ND 600 drinking water transport pipeline, made of ductile and grey cast iron, had to be renewed over a total length of 900 m. The pipeline, originally installed in the late 60s, showed definite signs of wear. Leaks, caused by corrosion and requiring elaborate repairs, were regularly occurred. To assure the water supply for the City it was decided that it was time to renew the 40 year old pipeline.

 
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