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Nexans has 30 years of experience in the field of cryogenic transfer lines for liquid nitrogen, helium, oxygen, hydrogen, and now natural gas. Its latest maritime version, Cryodyn®, is designed to handle dynamic ocean conditions. Rather than transferring LNG in dangerous side-by-side position, Cryodyn® uses tandem loading. Six 55-meter-long separate tubes suspended from a dynamically positioned crane on the Floating Production, Storage and Offshore Loading (FPSO) vessel are connected to the shuttle tanker. Each tube has a "vacuum-flask" design with an inner and outer tube maintaining ultralow temperatures while supporting violent roll and pitch. Similar designs (Cryoflex®) can also be used on land for tank-to-tank, -tanker, -truck or -train transfers.
This Nexans solution gives you:
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Enhanced safety since vacuum construction uses two concentric tubes per line; if the inner one breaks, the outer one keeps functioning, and vice versa
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Ruggedness to handle waves up to 5 meters in harsh North Sea conditions
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Long-lasting with up to three years flawless functioning even with daily use
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Consistent coolness because of a very reliable insulation design
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Quick and easy replacement since you just have to disconnect the 55-meter separate tube and attach a new one without disturbing gas flow
High capacity capable of delivering 10,000 cubic meters per hour
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Easy hookup to shuttle tankers using specialized Nexans terminations
Backup since if one of the 6 tubes fail, the others easily fill a ship in a day
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Seaworthy design with stainless steel to resist salt water and protective rubber housings to prevent damage by impact
Transfer Lines with a diameter of 16" and 20" are under development.
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