5 days ago · The Mark III membrane system is a containment and insulation system, directly supported by the ship’s hull structure. It is composed of a primary corrugated stainless steel membrane, positioned on top of prefabricated insulation panels, including a complete secondary membrane made of composite material.

GTT’s original Mark III membrane tank design, with its characteristic wafled stainless steel primary barrier, has been further developed in recent years through the introduction of the Mark III Flex and the Mark III Flex+ versions.

2 days ago · By incorporating multi-fuel readiness into the design of new Mark III vessels, shipowners gain the option to switch to alternative fuels as they become available and economically viable.

Feb 5, 2021 · Since 2008, GTT has introduced Mark III design evolutions to improve the thermal and structural efficiency of the technology. Its latest development, Mark III Flex+, offers a guaranteed boil-off rate of 0.07% V/day, thanks to an insulation thickness increased of 480 mm.

GTT Mark III membrane system is a cryogenic liner directly supported by the ship's inner hull.

Sep 1, 2021 · French organisation Gaztransport & Technigaz (GTT) will design the fuel tanks for five LNG-fueled container vessels (15,000 CTU each) based on its Mark III, ammonia-ready membrane containment system. Vessel deliveries are scheduled for late 2023 to early 2024.

Sep 20, 2017 · GTT, the French maker of LNG containment systems, said the evolution of its Mark III Flex technology has received the general approval from the American Bureau of Shipping (ABS).

Feb 13, 2013 · GTT has introduced an upgraded version of its Mark III membrane tank containment system which provides a reduction of one-third in cargo boil-off gas (BOG) rates. The French engineering company’s revamped design, termed GTT Mark III Flex, has received final approval from the class society Det Norske Veritas (DNV).

May 6, 2018 · Bureau Veritas experts have been working with GTT to approve two new containment systems: the Mark III Flex+, an evolution of the Mark III® but with a lower boil-off rate (BOR) and the GTT MARS™, a containment system developed for LPG carriers that is adaptable to any size of tank or ship.

Aug 6, 2024 · GTT, a leading expert in membrane containment systems for transporting and storing liquefied gases, has been awarded an Approval in Principle (AiP) from ABS, a prominent classification society, for the NH3-ready notation of its Mark …