SDF系列隧道施工风机采用弯掠组合正交型叶片，适用于各种不同类型的公路、铁路、隧道施工等方面。具有高效、节能、低噪声，送风距离远等优点。本系列风机可配用多项调速电机满足大断面、长距离、更新通风机条件的要求，根据用户需要也可以制成隔爆型。SDF系列一般不允许单机运行，用户可选用相应型号的SF系列隧道风机。

 

 

 

　　In order to solve the problem of long air supplying distance and large pressure in coal, metal and other mines, and according to the actual situation in the mine, based on countra-rotating to improve pressure, we have deveioped corresponding three-stage countra-rotating axial flow fan, which has the advantages of high efficiency, energy saving,low noise etc..and effectively meet the needs of the long distance between mine and fan.