For many years now Roots vacuum pumps have already been well established in the region of vacuum technology. In combination with Roots Vacuum Pump china backing pumps, which compress against the atmosphere, these pumps offer plenty of advantages.
Features:
The main benefit of roots vacuum pump is a higher pumping speed at the lower inlet pressure with high ultimate vacuum. Because the pump operating parts have no contact, such as for example rotors and the finish cover, so the pump functionality can be stable and long service time. low maintenance cost
Applications:
They’re trusted in vacuum smelting, vacuum welding, vacuum casting, vacuum coating, vacuum drying, vacuum dynamic experiment and chemical substance pharmaceutical, electric vacuum gadget manufacturing industries.
Because of the chemical, pharmaceutical and additional industries require large vapor degassing capablity. the sealing structure of roots vacuum pump chamber and the bearing chamber offers improved, which greatly 
reducing the bearing cavity and equipment cavity oil emulsification. Hence, roots vacuum pump is more ideal for pumping large levels of drinking water vapor and solvent with water ring vacuum pump.