Low-noise fan 4-72 series

centrifugalsuctionexhaust

4-72 Series Centrifugal Fan Product Description Product Parameters • Application: suitable for workshop and large building indoor exhausting • The impeller diameter: 280~2000 mm • Air volume range: 1000-220000 m3/h • Pressure range: 3000 pa • Working temperature: -20°C ~ 80 °C • Driving mode: A, B, C, D Product Characteristics • With single suction, backward centrifugal impeller, has the characteristics of high efficiency and low noise. • Adopt high-efficiency streamlined design of the spiral case, more aerodynamic. • Casing inlet is equipped with high efficient convergence streamlined inlet, which makes the air can be within the scope of the flow channel width of uniform distribution. • No2.8~6 fan is A transmission; No8~12 fan is C and D type transmission No16~20 fan adopts B type transmission. • Transmission part group consists of main shaft, bearing box, rolling bearing, pulley or coupling, etc. • Inlet and outlet flexible joints, dampers. • Inlet valve,bearing temperature and vibration dective sensers, impeller cleaning nozzle are optional.