Htf A Type Fire-control Fan For Extraction Smoke

We are Supplying HTF A Type Fire-Control Fan For Extraction Smoke in Guangzhou, Guangdong, China. It 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 afire, the fan is automatically transferred into high-speed and discharge smoke by the electric 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 150mg/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 .