Exhaust fan is a kind of axial fans. Mainly used in negative-pressure ventilation project called industrial exhaust fan. Exhaust fans with Super windy road, Super wind blade diameter, large air volume, low power consumption, low speed and low noise characteristics.
Together with the cooling water use ventilation and cooling issues can be resolved in one fell swoop. Exhaust fan running, creating a negative pressure in the room environment. If an exhaust fan installed cooling water outlet on the other side of the wall, exhaust fan in indoor hot air out outdoors at the same time, through the cool water into Interior rich in water vapor in the cold air into the Interior, so as to achieve the effect of ventilation and cooling.