Classification by cooling blower points: air cooling fans, blowers and water-cooled counterflow cooling blowers; by structure type: Vertical blowers, blower horizontal, vertical shaft blowers, blower intensive group; press seal type points: Maze sealing, piston ring seals, packing and mechanical seals, and other types of blowers. Roots blower requirements:. A gas inlet temperature of not more than 40 ℃. b. gas dust content in the solid particles is not greater than 100mg / m 3 Roots blower, the particle diameter is less than the assembly clearance. c. tar-containing gas indicators comply T28-78 city gas design. And the blower inlet means oil separator blower use, and stop turning gear. d. bearing temperature not exceeding 95 ℃. Does not exceed the maximum oil pressure gauge 90 ℃ e fan shown on boost pressure does not exceed the scope of the production and supply nameplate blower provisions, or you must stop and check the air intake system is blocked, intake and exhaust valves are all open, etc., and take the appropriate measures. Roots blower supply manufacturers | Zhucheng East Han Machinery Co., Ltd. (certified) | blower provided by Zhucheng East Han Machinery Co. Zhucheng East Han Machinery Co., Ltd. (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. In Zhucheng East Han Machinery Co. led the staff warmly welcome all inquiries negotiations to create Zhucheng East Han Machinery Co., a better future.