This oxygen compressor is piston type and the detailed technical data as follows: Name Discharge volume Suction pressure Suction temperature Discharge pressure Discharge temperature Shaft power Motor power Consumption of cooling water Oxygen compressor 3200m3/h 115kPa(A) 20 3MPa 40 525kw 630kw 60 m3/h And we can also design and manufacture special oxygen/nitrogen compressor for different customers as they need.