The control device is effective muffler aerodynamic noise spread out, Roots blower Which is good, until the interior for acoustic treatment, low-power blower, can greatly reduce noise generation and propagation, and does not affect the air flow through. After installing mufflers, muffler equipment should reach 20-40dB (A), subjective perceived loudness effect a corresponding decrease 50-90%. About Roots blower Maintenance 1, according to the direction of the intake and exhaust ports and maintenance needs, Shenyang blower, basic face four weeks should leave appropriate leeway. 2, Roots blower outdoor configuration, set the anti-canopy. 3, Roots blower at not more than 40 ℃ ambient temperature long-term use, higher than 40 ℃, install exhaust fans and other cooling measures to improve fan life. Roots blower wholesale, Shenyang blower, Zhucheng East Machinery Co., Ltd. by John Han Machinery Co., Ltd. Zhucheng East. Zhucheng East Han Machinery Co., Ltd. (www.dhlcfj.com) (www.dhlcfj.com) strong, credible, Shandong Weifang fan, ventilation equipment industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Zhucheng East Han Machinery Co., Ltd. into the brilliant and you work for a better future!