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Helium Leak Test

Helium Leak Test is carried out to determine the leakage on the primary membrane system using manual sniffing at tank bottom and helium balloon at tank ceiling.

Who is GTT?

GTT is a leading engineering company in containment systems for the shipping and storage in cryogenic conditions of LNG (liquefied natural gas). Approved by leading classification societies, its technologies are underpinned by a substantial return of experience over many decades. For many years, GTT has developed an active policy to provide technical assistance to LNG Carriers all over the world.



  • Freezing and transporting of food products
  • Cryopreservation of genetic/biological materials
  • Coolant for superconductors and other equipment
  • Cryotherapy in dermal applications
  • Shielding of materials from oxygen exposure
  • Quick freezing of pipes