GRTgaz builds, maintains and devel- ops 85 percent of the high pressure transmission grid for natural gas in France, consisting of 32,000 km of pipeline. When GRTgaz had to rebuild two manholes at the Alfortville interconnection station, they turned to Roxtec for a sealing solution that was able to meet the project requirements. This is how Roxtec pipe sealing experts managed to help the transmission operator with Europe’s largest high

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