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Wärtsilä provides LNG storage and supply system for TSHDs

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LNG Industry,

Wärtsilä has announced that it has won a contract to supply a unique and patent-pending LNG fuel storage and supply system for two new trailing suction hopper dredgers (TSHDs).

According to the statement, the vessels are being constructed by Keppel Offshore & Marine for Van Oord, the Dutch marine contractor. The order with Wärtsilä was placed in 2Q19.

Wärtsilä claims that the LNG fuel storage and supply system consists of two 640 m3 single-shell polyurethane insulated storage tanks, featuring a new and innovative ‘In Line Tank Connection Space (ILTCS)’ that contains the process equipment. This LNGPac-ILTCS reportedly has the process equipment mounted in front of the tanks, instead of the usual on top installation. For on-deck applications, this benefits the vessel’s view lines for better navigational safety, while also decreasing the risk of damage to equipment that is typically installed on top of a single-shell tank. In addition to this, Wärtsilä claims that, for below deck installation, the ILTCS improves fuel storage volume efficiency by avoiding the need to have the process equipment on top of the tank, simplifying installation of the LNG system.

Antti Kuokkanen, Vice President, Electronics, Entertainment and Processing, Wärtsilä Marine, said: “Our experience in the marine industry’s LNG fuel gas market is unmatched, and this latest development of the famous Wärtsilä LNGPac fuel storage, supply and control system reflects this knowledge and experience.”

Jaap de Jong, Director Ship Management Department, Van Oord, added: “We are very pleased to collaborate with Wärtsilä, a globally recognised leader in LNG fuel systems, for this project. Thanks to this unique technology we’ll be gaining more experience using LNG as an alternative fuel in our dredging fleet.”

Wärtsilä claims that its equipment is scheduled for delivery to the yard in mid-2020 for the first vessel, and in autumn 2020 for the second one.

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