4-79 series of centrifugal fan

4-79 series centrifugal fan can be used for general factory and large building indoor ventilation. Can be used to enter the gas can also be used to output gas, the type of gas transmission for the air of other non-self-ignition, harmless to the human body, non-corrosive gas steel materials. Gas can not contain sticky material, containing dust hard particles not more than 150mg / m?, gas temperature does not exceed 80 ℃.