For many years now Roots vacuum pumps have been well established in the region of vacuum technology. In Roots Vacuum Pump china mixture with backing pumps, which compress against the atmosphere, these 
pumps offer plenty of advantages.
Features:
The main advantage of roots vacuum pump is a higher pumping speed at the lower inlet pressure with high ultimate vacuum. Because the pump working parts haven’t any contact, such as for example rotors and the finish cover, therefore the pump performance is certainly stable and lengthy service time. zero-maintenance cost
Applications:
They’re widely used in vacuum smelting, vacuum welding, vacuum casting, vacuum coating, vacuum drying, vacuum dynamic experiment and chemical pharmaceutical, electric vacuum gadget manufacturing industries.
Because of the chemical, pharmaceutical and additional industries require huge vapor degassing capablity. the sealing framework of roots vacuum pump chamber and the bearing chamber provides improved, which greatly reducing the bearing cavity and gear cavity oil emulsification. Therefore, roots vacuum pump can be more ideal for pumping large levels of water vapor and solvent with drinking water ring vacuum pump.