PSA Oxygen Plants 1)Oxygen output (Nm3/h): 50, 150, 200, 300, 400, 600, 800 ... , 1,000, 1,500, 2,000 2) Oxygen purity: 90-93% PSA ... Oxygen Plants1) Oxygen output (Nm³/h): 50, 150, 200, 300, 400, ... consumption (m³/h): 10, 20, 25, 30, 40,50, 60, 65, 90,1004) Water consumption (m³/h ... products according to users' demands. PSA Oxygen Plants (ZY-50)