GTT’s Upgraded LNG Fuel Tank Bags ClassNK Approval


Leading Classification Society ClassNK has issued an Approval in Principle (AiP) to GTT’s technical solution fitted with Mark III membrane tank.

AiP for upgraded LNG Fuel Tank

The design developed by GTT is an upgrade of the Mark III system with a design pressure up to 2 bar gauge (barg) for LNG fuel applications.

The company describes that the 2 barg upgrade is particularly useful for PCTCs and cruise ships, and offers improved pressure holding capabilities and operational flexibility in particular during bunkering operations.

ClassNK carried out the verification according to its Rule Part GF incorporating IGF Code, especially on maximum tank dimensions, tank structural reinforcements, tank operating pressure during in service operations as well as aspects related to potential emergency situations. Upon satisfactory completion of the review, ClassNK has issued the AiP accordingly.

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Source: ClassNK


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