Spantech Engineers is a leading producer of PSA Nitrogen Generation Systems, PSA / VPSA Oxygen Generation Systems and Ozone Generation Systems. SPANTECH Oxygen and Nitrogen Generation Systems are based on non-hazardous and low pressure PSA & VPSA technologies which use compressed air to produce nitrogen & oxygen onsite at a much lower cost than purchased O2 & N2. We believe in Generating Solutions which help you cut your gas costs as well as eliminate the risk of handling high pressure cylinders / bottles