* Model SF Series Low-noise Axial fan has smooth streamline surface with exceptionally good rigidity, firm paddle-wheel struture, even and flat screen cover elegant and pleasing outline and tones.Model SF series fan is divided into pipeline type, wall type，post type four kinds according to the use requirements.It is separated Into 14 machine numbers according to the paddle-wheel diameter.

* This series product is widely applicable foe the wall type exhaust, post blast, pipeline ventilation in the mining and industrial enterprises, civilpurpose buildings, It can also be used in the working occasions of chemical, light indus妙，food, medicine, metallurgy, power station, communic actions etc and the storage ventilation airconditioner System.