The company's leading products for the Roots blower, is the use of foreign advanced technology developed its own new generation of products. This product through the impeller on using new lines, delivering particulate blower so that the volumetric efficiency is further improved. And small, Chengdu Roots blower, light weight, traffic, low noise, energy efficient, smooth operation, the use of this product to achieve superior efficiency. By sewage treatment, pneumatic conveying, aquaculture, vacuum packaging, chemicals and building materials industries such as trust and recognition. ◆ seal 1. Roots blower fan with a sealing system, aquaculture aeration blower, in order to ensure the free flow of oil and prevent oil pollution. 2. sealed with labyrinth seals, metal movement ring, oil slingers and balanced ventilation holes. To ensure that the air blower cavity, with minimal leakage, while the lubricating oil can not be on both sides of the fuel tank into the fan chamber, dust blower, in order to ensure clean air outlet. 3. The shaft seal with two lips Vladimir rubber seal. For special gases, other sealing methods can be used, for example: carbon ring and mechanical seal sewage supporting Roots blower | Zhucheng East Han Machinery Co., Ltd. | Chengdu blower provided by Han Machinery Co., Ltd. Zhucheng East. 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.