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Maintenance work behind single valve isolation

Fluxys Belgium is registered on the Euronext and is part of the Gas Infrastructure Group Fluxys with their HQ in Belgium. With 900 employees the company operates 4.000 km of pipelines, a LNG import terminal with a capacity of 9 BCM and an underground gas storage.

For a planned intervention of a 36” major international gas transport pipeline, Valvetight was requested to safely isolate a passing valve on their Metering Station in Blaregnies, right on the border between Belgium and France. It concerned a single underground ball valve and its bypass. The DBB-SAVER was connected to the body cavity by a 1” drain connection making sure there was zero passing of any gas towards the intervention location.

We thank Fluxys for another project executed in excellent cooperation together.


Link to customers website:



 Company:   Fluxys
 Situation:   Tie-in on 36″pipeline
 Result:   Safe isolation of 36″ single ball valve



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