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DNV GL awards AiP for Kawasaki’s new tank design

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LNG Industry,

DNV GL has announced that it has awarded approval in principle (AiP) to Kawasaki Heavy Industries Ltd (KHI) for its newly developed non-spherical (MOSS) tank.

The tank is an IMO Independent Type B LNG tank that has been developed for use in 180 000 m3 LNG carriers designed to transit the recently expanded Panama Canal.

Johan Petter Tutturen, Business Director for Gas Carriers at DNV GL – Maritime, said: “It is always a great pleasure to work with KHI, to continue what has been such a long and enjoyable cooperation.

“We worked with KHI on the delivery of the first Japanese built LNG carrier – Golar Spirit – in 1981 and that cooperation continues to this day, as she remains in DNV GL class after her successful conversion to a FSRU, a world’s first.”

KHI claims that the new tank is just as reliable as a spherical (MOSS) tank, but that it has a 15% greater cargo capacity. It is also capable of being used with the Kawasaki Panel System – an advanced heat insulation system developed by KHI. DNV GL completed comprehensive sloshing and buckling analyses together with KHI, which demonstrated that the new tank provided an equivalent level of safety performance to the well-known spherical (MOSS) tank with no filling restrictions.

Johan Petter Tutturen added: “As DNV GL’s experience with LNG has grown over the years, so too has our conviction that LNG can make a significant and positive contribution to the efficiency and sustainability of the energy and maritime industries.

“To keep this momentum for the use of LNG growing, DNV GL will continue to work with innovative partners like KHI to ensure that owners and yards can be confident that this technology will continue to advance, while meeting strict safety and reliability standards.”

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