FBC (Ⅱ) twin impeller, FBC (Ⅰ) single impeller series of underground gas pumping new local fan FBC-45KW dust blower fan is widely used in driving surface dust extraction ventilation. Fan unilateral radial clearance between the impeller and the protective circle of not less than 2.5mm. FBC-22KW dust blower fan _ FBC-22KW dust extraction fan (certified) _ Dust Blower Fan Co. provided by Zibo. Zibo Blower Factory Co., Ltd. (www.zibo-fengji.com) is an industry leader in Shandong Zibo, 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. Zibo Blower leadership with the staff warmly welcome all inquiries negotiations to create a better future Zibo Blower.