painting coating smoke exhaust fan

رنگ پوششی دود خروجی فن دو سرعت برای ساختمان های بلند و مراکز خرید

HTF Fire Control Fan Highlights: 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 ...

فن دود آتش فولاد کربن مقاوم به گرما فن محوری با موتور دو سرعت

HTF Fire Control Fan Highlights: 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 ...