BFAG Series Explosion Proof Axial Flow Exhaust Fan Thick carbon steel housing,Spraying process, luxurious texture, stable body, fast speed. High-quality pure copper motor.The movement uses selected high-quality high-temperature resistant copper wires to ensure that the motor is efficient and stable, safe and stable. Thick steel fan blades.The high hardness is not easy to deform and fall off. The impeller has undergone strict dynamic balance calibration. The air volume is large, the noise is low, non-sticking, rust and corrosion resistance, and the operation is stable. High-precision precision bearings The rotor die-casting surface is protected from moisture and rust. Adopting first-class technology, high precision and stability, high efficiency, precision machining, high efficiency and energy saving. This series product is reasonable structure,beautiful appearance,line firmness and durabi- lity,energy consumption. It is applicable for the exhaust,ventilatin,surstroke prevention, cooling purposes in the common en-vironments such as tactory,warehouse office building,canteen kitchen, basement, hotel, storage room,garage,coffee shop,KTV,bar,super markets,etc. The exhaust fan can under the following condition the reliable work: 1. The elevation does not surpass 2000m. 2. Environment temperature -20ºC ~ +40ºC. 3. The relative humidity of the surrounding air is not more than 95% (at 25 ° C). 4. Zones 1 and 2 of Class II, Class B, T4 and below explosive hazardous locations.