... 4.Material:Cast Iron Performance introductionCZR series is a centrifugal AC fan driven by single phase capaitor running electric motor, and ... CZT series is a centrifugal AC fan driven by three phase AC asycnhronous electric motor. They are characterized with ... and so on, which are widely used for combustion supporting, blowing and blast cooling in family, canteens, small boilers, iron-making ...