The fan adopts a way to change the speed, leaf Angle, expand the range of performance parameters, to reach the fan and system area, to meet the requirements of different working conditions, so as to achieve the tunnel jet fan energy saving and reduce nois... View More>>

Tunnel fan depends on the mechanical energy input, improve the gas pressure and send gas side by side, is a driven fluid machinery, is widely used in mines, tunnels, cold vehicles, ships and buildings and other aspects of ventilation, dust and cooling, is... View More>>

When using tunnel fans, only full speed is allowed. At the same time, in order to ensure sufficient power and stable voltage, power supply lines are dedicated lines, not temporary lines for a long time. During the operation of the fan in the tunnel, abnor... View More>>

Before starting the tunnel fan, it is necessary to confirm whether the radial freedom of the wheel is uniform, whether the position of the wheel is different, and there is no foreign matter outside the channel fan. The tunnel fan works normally. Leaving t... View More>>

Type A: cantilever, bearingless, fan impeller directly mounted on the motor shaft, fan speed and motor speed is the same. Suitable for small centrifugal fan, compact structure, small body.... View More>>

How to improve the wear resistance of centrifugal fan impeller？... View More>>

A lot of dust on blade surface:Centrifugal fan blade is full of dust, and is easy to produce vibration phenomenon that often show the sudden rise in vibration, the vibration is mainly due to the operation of the gas in the impeller.And there are certain A... View More>>

The tunnel exhaust fan is mainly axial flow. The requirement is that it can operate automatically according to the concentration of smoke and dust in the tunnel.... View More>>

The fan is composed of collector, inlet muffler, first group, second group and outlet muffler.... View More>>

Tunnel fan can play a good role of regulating the internal air in the tunnel, if there is not the role of the tunnel fan, it may make the oxygen content in the tunnel fan, thus affect the health of the tunnel staff, after the completion of the tunnel, can... View More>>