Air-conditioning ventilation
- YFJ series backward wing centrifugal fan
Type: 400~1250mm(impeller diameter) Air volume: 2000~180000 m3/h Total pressure: 400~3000 Pa Structure: Belt drive. Impellor is pressed with high tensile aluminum alloy. Inflow nozzle is made with double circular arc technology Application: high-end ventilation. Energy efficiency of fans can be 2 grade or above.