DZ series fan used to start from a sound source, low-speed, high pressure coefficient design, the development of wide leaves, large chord length, blade tilt distortions of space, equipped with fan motor, with a clear low noise, large air volume, power consumption, vibration, aesthetic appearance, etc., is an efficient, energy-efficient axial flow fan. Widely used in factories, warehouses, office buildings, residential and other places of wall ventilation, air supply pipe. This series of fans, there are three types of DZ-I-type cylinder wall and the wooden partition type (which can be an additional net cover, rain or dust from the fixed vertical venetian blinds), DZ-II-type pipe-type (motor internal or external), external motor through the belt transmission pipeline placed in the duct outside the motor, the motor can be used in places with special requirements, such as kitchen hoods, heat and other places of industrial discharge. DZ-III-type positions fixed. This series of fans usually equipped with three-phase motor, according to the following user requirements can 0.55KW with single-phase motor. Requirements can be made according to the medium anti-corrosion, explosion-proof axial fan FDZ for the anti-corrosion, corrosive gas for transportation; BDZ for the explosion-proof axial flow fans, used to transport flammable and explosive gases. FBDZ antiseptic explosion-proof axial flow fan is used to transport corrosive and flammable gases.