Htf (A) Series Fire-control Axial Fan For Smoke Extraction

We are engaged in exporting quality HTF (A) Series Fire-control Axial Fan For Smoke Extraction to our valuable clients. HTF(A) Series is suitable for ventilation and fire control of tall buildings, subway tunnel, underground stores, gymnasia, etc. This fan is set up with double-speed motor,it operates at a low speed normally and used for ventilation. Once occurrence a fire, the fan is automatically transferred into high-speed and dischange smoke by the eletcric control system, which facilitates safe evacuation of personnel on the fire spot. The transporting medium is air or other non-spontaneous-combustion and non-explosive-combustion air with no harm to human.The air transferred shall not contain any adhesive material, dust and grain and the concentration shall not exceed 152mg/m3 when the temperature shall not exceed 80a . When used for fire control, the fans can run more than 30 minutes continually under the condition that the air and smoke temperature is at 280a .