Roots blower Features: 1, the use of precision CNC machine tool production rotor, no performance error between the fan. Further, the rotor has become an equilibrium state in the manufacturing process. The machine running no vibration. 2, the use of advanced drive gear, not only life to be extended where the blower is good, but also to achieve a low noise. Thus the product from gear harmful interference completely ruled out. Roots blower ◆ Bearing 1. Design of bearing can guarantee the same time at maximum speed, pressure and temperature conditions blower manufacturers, wholesale, life of at least 100 blower Which is good, 000 hours (according to ABMA standards). 2. In order to facilitate future maintenance and replacement of bearings, bearing chamber labyrinth seal is provided to prevent foreign matter from entering the bearing chamber housing is made of cast iron HT250. 3. Bearing Japanese NSK bearings. Which Roots blower good, Zhucheng East Han Machinery Co., Ltd., Nanjing blower provided by Zhucheng East Han Machinery Co. Zhucheng East Han Machinery Co., Ltd. (www.dhlcfj.com) (www.dhlcfj.com) is an industry leader in Shandong Weifang, fans, ventilation equipment, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. John in Zhucheng East Machinery Co., Ltd. leadership with the staff warmly welcome all inquiries negotiations to create Zhucheng East Han Machinery Co., Ltd. a better future.