The fan consists of a single-phase asynchronous motorora three-phase asynchronous motor,a volute,an impellerand a mounting bracket.It has the characteristics of compactstructure,light weight,small size,high efficiency,large airvolume,and high wind pressure.At the same time,customerscan change the mounting bracketThe assembly methodobtains diferent installation positions.It can be widely usedin forced ventilation of various control facilities and electronicequipmenton the ground,and can also be used in pipe dustremoval,exhaust heat removal,advertising airflushing model,environmental protection andpollution control.