△ impeller diameter: 200 ~ 450mm △ air volume range: 1000 ~ 40000 m3 / h △ full voltage range: 140 ~ 1000 Pa △ total pressure efficiency: 50 ~ 69% △ noise range: 60 ~ 90dB (A) (sound pressure level) △ Transmission: belt drive △ Machine No. setting: 7-7,8-8,9-7,9-9,10-8,10-10,12-9,12-12,15-11,15-15,18-13,18 - 18, a total of 12 kinds of machine numbers. △ Use: central air-conditioning tank, pipeline and other HVAC units, air-conditioning, purification, ventilation equipment accessory products.
Fan Dimensions With motor frame size Fan performance curve: