Sell ZDG fire fighting and ventilation Dual-purpose Cabinet Centrifugal Fan

ZDG series of low noise cabinet centrifugal ventilators are new products we develp based on advanced technology home and abroad.It have two functions: exhaust in fire fighting ,and air exchange.It has features such as high efficiency,low noise,convenience for installation,steady operation,large air volume,high-temperature resistance,etc.It is new product for residential building to remove smoke when fire fighting.It's also attactive becasue of compact structure and beautiful appearance. The framework is made of sectional material .The box board is made of cold rolled steel sheet adopting double-decked structure.There are fireproofing and warm-keeping materials inside the ventilation so as to avoid condensation in high-temperature place.It is more efficient in lowing noise and reducing vibration.