Used 125,000 SCFH (or 112 TPD) Oxygen VSA (Vacuum Swing Adsorption) Plant producing at 93 +/- 2 % purity. The process unit has 3 bed VSA; pressure off VSA is 5 - 7 PSI; Pressure off booster is 200 +/1 10 PSI. The plant has (2) compressors / blowers of 770.6 HP/880 RPM and 1133.4 HP/892 RPM, respectively; (2) ABB motors of 4000 V / 1250 HP; (1) Sulzer - Burckhardt booster of 594 RPM; (3) absorber vessels; (1) Basco air blower aftercooler; (1) HP GOX buffer vessle. The plant has GE Fanuc control system. The plant was started in 2000, and now is still in operation. All equipment is in excellent running condition.