... 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, 600, ... layer type: ZY-50 to ZY-800: vertical, ZY-1000 to ZY-2000: 550-1060We can also design products according to users' demands. PSA Oxygen Plants (ZY-50)