本系列风机的叶片采用特殊扭曲弧度设计、机壳采用法兰翻边工艺，使风机噪音更低，风量更大等特点。采用先进的喷漆工艺使表面能长时间保持光洁、美观大方等点。风机性能优良、维修方便、广泛应用于仓库、车间及娱乐场所等通风换气之用。使用场所不含易燃易爆、腐蚀性气体，温度不超过50℃。

　　SF(B) series adopt special twisted blade design and flange flanging casing, which makes the noise lower and the air volumn larger. The advanced painting process maintains surface smooth and beautiful. The series are featured by good performance, easy maintenance and used to transport air in workshop storage and places of recreation and other places. But these places shouldn’t contain flammable, explosive and corrosive gases, with a tempreture no higher than 50℃.