The liquefaction stage is accomplished by integrating Atlas Copco compressors within Highview’s 300kW/2.5MWh CryoEnergy System. A fully-integrated, oil-free ZR 700 VSD water-cooled screw compressor, with specially modified inlet pipework, operates within the recirculation system while the main air feed for the liquefaction plant is supplied by a ZR 250 VSD rotary screw compressor. The Atlas Copco installation is completed with a low-pressure ZS45+ VSD blower.

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