FNG offers a new LNG production technology based on the generation of cold by means of vortex coolers, which do not have rotating mechanisms as part of their design, and therefore its service life is commensurate with the service life of the main gas pipeline.

The use of such installations with a capacity of up to 5 t/h differs in that no gas pretreatment system is required, since all harmful inclusions present in the main gas (moisture, carbon dioxide, emulsions, engine oil and even mercury) are frozen out. And then they are removed from the installation during warming up (thawing) from gas hydrates, which form light hydrocarbons and carbon dioxide at low temperatures and with presence of moisture in the gas.