... high automation oxygen generator 1. Select Model: Oxygen capacity: 3-500NM3/h Purity: 91%-95% Outlet pressure: 0 ... the steel cutting, glass producing, product combustion-supporting, medical oxygen, petrochemical industry, papermaking, ozone producing, aquaculture, aerospace, ... Multi-Industry Uses for Oxygen:Oxygen is used with fuel gases in gas welding, gas cutting, oxygen scarfing, flame cleaning, ...