... Sweden SKF, Japan NSK; USA Gates belt 2 imported CNC machine for precised processing 3 used for gas conveying HDRR ... *1250Drive typeDirect couplingCooling typeAir currentWeight3560kg Structure: 1 Using the involute type line to the impeller, high efficiency, excellent material, long ... , low vibration, long-term safe and reliable operation 3 CNC machine processing of main parts, gear with high five level ...