... : 380V/220V/50HzThe plant is moved construction in whole, connected by high-pressure soft pipe, adopt liquid oxygen pump, inner-compress ... flow, can produce high quality medical oxygen. It have small volume, occupied ... 1 set,Rectification Column 1 set ,Refrigerator 1 set , Liquid Oxygen Pump 1 set,Filling Unit 1 set,Connecting pipe 1 ...