... halls, theaters, high-level residential and so on. Centrifugal fan low-noise cabinet centrifugal fan using range : Widely used in hotels, institutions, hotels ... part of low-voltage high-pressure centrifugal fan and axial fan. Structural characteristics: 1, The fan box series select chassis forward ... ,28030min.4, A-type series wind box, about 280 in ambient temperature in the normal operation of 30min ...