Cryogenic services

AQ provides different cryogenic services. Cool down, bunkering, refilling of all liquid gases, etc.


optimal safety in preparation for loading and unloading.

Cool down and bunkering of cryogenic tanks

Drying to dew points to -65°C

Various nitrogen projects

Pigging of pipelines

CO2 blow-off/refilling of fire extinguishing systems on vessels

Mobile temporarily cryogenic tanks

AQ, performs the cool down of cryogenic tanks


AQ performs the cool down of fuel tanks. Before filling tanks with LNG, it is necessary to cool them down to -164°C. When the tanks have reached the desired temperature, bunkering can be done.
For example LNG, LPG, etc.

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