Enquire Now More Products Share it: PSA Oxygen Gas Generator The production of Oxygen gas from atmospheric air is based on Pressure Swing Adsorption (PSA) principle by adsorption of Nitrogen gas using a special grade of Molecular SievesTechnical Specifications:a) Capacity :- 3 -200 NM3/Hrb) Nitrogen :- 93+/-3%%c) Oxygen :- Balanced) Dew Point :- (-) 40 °Ce) Pressure :- 5 Bar-200 bar