K40 Series Mine Axial Fan (hereinafter referred to as fan) K40-22 # main fan is on the basis of ore with a fan on the main fan, through technical improvements, perfect structure, improve performance and expand the machine number and design success a. Installation ⑴, before installing the new fan K40-20 # main fan, you should check the following aspects: ①, motor 500V megger insulation resistance, 380 / 660V its value should not be less than 50MΩ, which do not meet the requirements should be dried; K40-23 # main fan, k40 fans (certified), the main fan is provided by Zibo Blower Factory Co., Ltd. Zibo Blower Factory Co., Ltd. (www.zibo-fengji.com) is a professional "fans, fans of mine, mine fans, explosion-proof fans, high temperature fans, boiler fans," the company. Since its inception, we adhere to the "good faith, sound management" approach, the courage of healthy competition in the market, so that the "cloud laugh" brand has a good reputation. We adhere to the "service first, customers first" principle, so that the congregation Zibo Blower won the trust of customers in the fan, ventilation equipment, and establish a good corporate image. Special Note: This information is for reference pictures and information, please contact us to obtain the most accurate information, thank you!