■ The Introduction of Roots Vacuum Pump

DMB Roots vacuum pump is the equipment with fast pumping rate and lower cost in the vacuum range of 10-1-103 Pa. It can be combined with a variety of vacuum pumps to form vacuum unit, to effectively improve the pumping rate at lower pressure, and to enlarge the range of fore pump’s pumping rate. The combination of dry screw vacuum pump can ensure that the sucked container is cleaner, the system is more reliable. Dynamic balance and leakage test are made for all products before delivering.

The gas is pumped into the chamber through the intake pipeline and discharged from the main vacuum pump to the fore pump’s inlet. As the space (0.2 ~ 0.6mm) between the rotor and machine shell is extremely small when the rotor rotates, this product can achieve clean vacuum discharge, that is, the machine shell and rotor need no use of lubricants. At the same time, because both parts have no touch, the rotor can achieve its semi-permanent use even turns at high speed (up to 3600rpm).This product does not use mechanical seals, long-term chemical effects will not lead to bearing pollution.