SF(G) axial fan 1.axial fan with low noise,large volume 2.axial fan low electricity consumption 3.rational struction FANSF(G) axial fanSF(G) series are featured by low noise,large aire volume,electricity saving,rational struction and ect,whose blades are designed and made according to 3 Flow Theory.Chosen as ideal devices by many departments such as chemical,light industry,civil construction and ...