昌达制氧设计制造的全液体空分装置可同时生产液氧、液氮、液氩产品，根据装置能力大小不同，有多种流程组织形式及设备配置方案。小装置的循环氮压机采用活塞式，能耗大约在1.4kw.h/kglo.大装置的循环氮压机采用离心式，能耗在1.1kw.h/kglo.
Liquid air separation equipment made in KFAIR can produce liquid oxygen.nitrogen and argon,in which many flow organizations and equipment supply equipment plans are provided according to different capacities of the equipment.Piston nitrogen compressor is used in small equipment with the energy consumption of 1.4kw.h/kgLO and centrifugal nitrogen compressor is used in a large equipment with the energy consumption of 1.1kw.h/kgLO