SDF系列隧道施工風機采用彎掠組合正交型葉片，適用于各種不同類型的公路、鐵路、隧道施工等方面。具有高效、節能、低噪聲，送風距離遠等優點。本系列風機可配用多項調速電機滿足大斷面、長距離、更新通風機條件的要求，根據用戶需要也可以制成隔爆型。SDF系列一般不允許單機運行，用戶可選用相應型號的SF系列隧道風機。

 

 

 

　　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.