The features of roots pump

1.In more wide of pressure range within has larger of pumping speed;

2.Starting fast, can immediately work;

3.Not sensitive to the dust and the steam in the pumping gas.;

4.Rotor don't need lubrication, pump cavity without oil; 

5.Little vibration, rotor dynamic balance conditions better, no vent valve;

6.Little drive power, machinery friction loss small;

7.Structure compact, cover small area ;

8.Running maintenance costs low.