Triplex Secondary Barrier

Hutchinson has developed a flexible and rigid secondary barrier. The flexible Triplex is currently used on more than 300 references of LNG carriers around the world. Its role: to ensure a perfect seal of the secondary barrier on Mark III and Mark Flex liquefied natural gas tanks. Our solutions of this type, delivered and used since 1992, have given complete satisfaction to our customers.

Triplex Secondary Barrier


  • Flexible, gas-tight and liquefied natural gas composite liner
  • Approval by the main classification societies (NK,DNV,ABS,LRS ...)
  • Resistance to thermal shocks
  • Tightness guaranteed at -150°C
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  • Resistance
  • Reliability

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