[Tianjin Jinzhong Ji HVAC purification equipment to recommend the star product - fan] fan bearing temperature is normal for ≤70 ℃, if once rises to 70 ℃ fans, electronic control should (will) alarm. You should find out the reasons, first check whether the cooling water properly? Bearing oil level is normal? If you can not find a reason, bearing temperature quickly rose to 90 ℃, electronic control should (will) alarm, stop signal again. [Tianjin Jinzhong Ji HVAC purification equipment to recommend the star product - axial fans] a small low pressure axial fan impeller, chassis and other components collector boiler fan is usually installed in the building of the wall or ceiling on; large high-pressure axial fan by collectors, impeller, flow line body, chassis, and transmission components diffusion tube. Blades are uniformly arranged on the hub, the number of usually 2 to 24 more blades, the higher the wind pressure; The blade installation angle is generally 10 ° ~ 45 °, the installation angle is larger, the larger the air volume and pressure. The main parts of the mostly axial fan with steel welded or riveted. Fire exhaust fan | Tianjin fans | Tianjin Jinzhong Ji fan manufacturers to provide by the Tianjin Jinzhong Ji HVAC purification equipment. Tianjin Jinzhong Ji HVAC purification equipment Limited (www.Jzjnt.com) strong, credible, in Tianjin fans, ventilation equipment industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead the group into the brilliant and you work for a better future!