Description: 11-62-II series multi-blades centrifugal fan is a new type high energy efficiency, low revolution and low noise centrifugal fan designed and developed by our company to adapt to the rapid development of smoke and oil fume exhausting used in kitchen or ventilation in purifying industry. It is improved on the base of 11-62 and 13-48, has the feature of novel and compacted structure, low vibration and easy to adjust when using. Transmitted medium contains non stickum, temperature must be below 80°C, the dust and solid impurities containing index is below 150.mg/m3. Technical Parameter Model No.Voltage(V)Power(kw)Revolution(rpm)Wind Flow(m3/h)Pressure(Pa)NoisedB(A)2.5A220/3800.75-41450950-2100400-320≤723A220/3801.5-414502100-3850810-600≤733..5A3801.1-69602006-4800495-375≤743803-414502850-68001160-600≤784A3802.2-69602600-5500720-610≤763805.5-414505500-78001650-1400≤854.5A3803-69604100-8970975-830≤815A3804-6960600-115001060-875≤83Application: Widely used for ventilation in public place, industrial and mining enterprises or used with kitchen oil fume exhausting equipment, not only can be used to feed into fresh air, but also used to transport air. Materials: high quality steel plate, multi-blades impeller and 100% copper motor. The voltage and frequency could be customized. Packing: wooden case.