[Tianjin Jinzhong Ji HVAC purification equipment to recommend the star product - fan] fan bearing vibration maximum allowable values ??are: (1) when using the effective display of bearing vibration speed: 11mm / s. (2) for the following values ??bearing amplitude display: motor synchronous speed of 3000 rev / min: The maximum allowable value: 0.1mm (double amplitude) motor synchronous speed of 1500 rev / min: maximum allowable value: 0.2mm (double amplitude) motor synchronous speed of 1000 rpm / min: maximum allowable value: 0.31mm (double amplitude) motor synchronous speed of 750 rev / timeshare: the maximum allowable value: 0.4mm (double amplitude) motor synchronous speed 600 r / time: the maximum allowable value: 0.5mm (double amplitude) motor synchronous speed of 500 rev / min: The maximum allowable value: 0.6mm (double amplitude) [Tianjin Jinzhong Ji HVAC purification equipment to you Recommended star product - Fan] trends: the structure of demand forecasting general ventilation fan from the main areas (generally for small and medium centrifugal and axial flow fan) the most widely used, the demand for maximum boiler fans, manufacturers are up. Generally speaking fans, these products oversupply. Special purpose fans (including anti-corrosion fan, heat fan, wear fan, exhaust fan fire, etc.) demand, while not great, but special Blower operating environment, you need to be treated differently fan, because the main material requirements more special. Roots blower is the most important feature within the allowable range when the pressure regulator, the flow rate has changed little, a wide pressure range of options, with forced gas transmission characteristics, the main drawback is noisy. Axial fans, Jinzhong Ji integrity for 15 years (certified), Langfang HVAC blower provided by the Tianjin Jinzhong Ji 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.