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Tie-in behind multiple isolation points

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.

Many gas transmission lines cross in their Compressor Station in Winksele, near Brussels. Adaptations in the gas grid required the tie-in of new pipelines and associated valve schemes, meaning cutting out obsolete and welding in new pipelines and valves.

There were two tie-in pits dug out, and there were 5 sinlge valve isolations with each valve having a bypass, there were in total 10 bleed points to simultanuously isolate. Because of the distance of 175 meters in between the clusters of valves 2 DBB-SAVERs were deployed, one servicing 4 and the other 6 valves simultanuously, assisting in the safe execution of the tie-in works.

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 Company:   Fluxys
 Situation:   Tie-ins on Compressor Station
 Result:   Safe isolation of multiple bleed points simultanuously



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