The character of PSA oxygen generator: 1) The performance of molecular sieve is advanced, the consumption is little andusage life is long 2) The capacity of oxygen is high 3) The power consumption for making unit oxygen is low and the cooling waterconsumption is little compare with congeneric product 4) The degree of automatization is high Technical parameters: Capacity (Nm3/h): 50, 80, 100, 120, 150 Oxygen purity: 90%-95% Oxygen pressure: 0.4-0.5MPa VPSA: Capacity(Nm3/h): 100-7000 Oxygen purity: 90%-95% Oxygen pressure: normal pressure Power consumption: <0.35kW.h/m3, O2