Roots blower Features: internal friction, the transmission medium is not oil. No internal compression process, conveying gas mandatory. Pressure wide range of options, the size of the flow can be achieved by changing the speed to reach and flow with the level of very small changes in pressure. High precision rotor balancing, vibration, long-running safe, stable and reliable. Parts versatility, high degree of standardization, simple structure, easy maintenance. Uses: Because of these characteristics, the supplies for the transfer of clean air, clean gas.