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By certification 
Main specification other gas bottle, let the oxygen pressure of this gas bottle achieve
Item Specification
Max exhaust pressure 30MPa
Exhaust Capacity while pumping 3L/min
Grade of compress Grade 2
Max compress rate 8
Revolution of crankshaft 440rmp
Plunger stroke 30mm
Plunger diameter Grade one ,18mm Grade two,12mm
Power of motor 2.2kw
Rotate speed 1410r/min
Voltage of motor 380V/50Hz
Dimensions 860X565×640mm
Weight 116kg
Item Specification
Max exhaust pressure 30MPa
Exhaust Capacity while pumping 3L/min
Grade of compress Grade 2
Max compress rate 8
Revolution of crankshaft 440rmp
Plunger stroke 30mm
Plunger diameter Grade one ,18mm Grade two,12mm
Power of motor 2.2kw
Rotate speed 1410r/min
Voltage of motor 380V/50Hz
Dimensions 860X565×640mm
Weight 116kg