400mm Backward Centrifugal Fan

1.Centrifugal fan from 140mm to560mm.We can supply all size axial fan motor from dia 200cm to 710cm 2.High security with internal thermal protector. 3.We also can produce upon customers' demandsspecified voltage form 110V to 440V and frequency with 50/60 Hz. 4.This centrifugalfan for air condition with external rotor motor has high efficiency,energy-saving,low noise. 5.We have both the forward and the backward curved centrifugal fan. 1.product performance 2,produce process pictures factory stator-punch press stator winding assemble line quality test double-sided dynamic balance test