[Tianjin Jinzhong Ji HVAC purification equipment to recommend the star product --DFBZ square wall axial fan] DFBZ series fan with low noise fan motor for direct drive; the whole square is made without power fan, appearance, square hole wall reserved for easy installation; outlet with a self-hanging blinds to prevent natural wind and rain on the outdoor indoor intrusion: a clear securely mounted, vibration, low noise, smooth operation, it is widely applicable to the mining industry , buildings, stadiums, animal husbandry, various entertainment wall exhaust. DFBZ-I type is adopted in the form of direct-drive motor rotor structure, DFBZ-II uses an inner rotor type motor, belt transmission structure form, DFBZ-III model with external rotor motor for direct-drive structure form. According to user requirements made corrosion proof type. [Tianjin Jinzhong Ji HVAC purification equipment to recommend the star product - no power fan] Maintenance: 1, no power fan Under normal circumstances, about a month of continuous operation, to be injected into the bearing lubricated with butter calcium sodium site grease or molybdenum disulfide grease. Blower fan runs continuously for 3-6 months, the replacement of a grease to the bearing space is filled 2/3 appropriate. 2, no power fan periodic maintenance, eliminating the fan inside the fouling, dirt, etc. 3, in the non-powered fan boot, shutdown or operation, such as found in unusual circumstances, including temperature, vibration, noise, etc., should be inspected immediately. 4, an adjustment device will keep the uniform triangle tape taut, not too loose or too tight. Several triangle tape should be the same length. 5, for the unused spare machine or disable long time fan, you should regularly rotate the rotor 120 ° -180 ° boiler fan, so as not to bend shaft. Fans on the roof without power imports or exports plus valve, turn it off at the start, after the operation to open the valve heaters, to achieve the required degree of working conditions, the inner ring and the shaft with tightness. 6, to ensure personal safety, the roof without power turbine maintenance must be carried out at the time of shutdown. _ Tianjin Jinzhong Ji without power fan ventilation engineering (certified) _ Tianjin Tianjin Jinzhong Ji HVAC blower provided by purification equipment. Tianjin Jinzhong Ji HVAC purification equipment Limited (www.Jzjnt.com) is a leader in Tianjin, 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 the group leadership with the staff warmly welcome all inquiries negotiations to create a better future for the base.