"DC Axial Fan" scroll casing including PP copolymers are made of high strength plastic, Cooler weather and strong environmental conditioning use full injection case. Wet curtain air cooler add anti-UV agents, reinforcing injection manufacturing, is characterized by non-degradable, anti-ultraviolet, never corrosion, rust, a specially developed to withstand harsh environments and advanced materials, the design life of up to 15 years . The nature of the "DC Axial Fan" a chiller stable housing data base required level, sturdy, and the basis of the same height ≥200mm length less than 200mm diameter and fans export size. To ensure the "DC Axial Fan" hose in the system during operation does not appear distorted, b chillers and air duct using a hose (flexible materials and not burning) connection. Should install an appropriate degree. For the fan mounted on the suction side of the canvas hose, install a little more tight, to prevent the fan operation is inhaled, reduce cross-sectional size of canvas hose.