BUTTERFLY TYPE CONE FAN
The feature of butterfly ventilation Fan:
1. Using advanced front double door opening device small wind resisitance, good sealing, high efficiency, lengthed cone design impove exhause power.
2.Stainless steel frame avoid rust.
3. Fan doble doors closed with the rubber sealing which effectively avoid air backflow when start fans at different time. Greatly imporvie the operation effeicency by 15%-20% compared with the same power Fan.
4. Butterfly Fan is special Designed for top grade efficiency which made of kruppstainless steel by punch forming. Large air volume, no deformation, no broken, no dust, attractive and durable,thickness 1.2mm.
| Diameter blade(mm) | Blade rotational spped (rpm) | Motor rotational speed(rpm) | Air flow (m3/h) | Total pressure(Pa) | input power(w) | Rated voltage(V) | High(mm) | Width(mm) | Thickness(mm) |
| 910 | 600 | 1400 | 31000 | 70 | 550 | 380 | 1000 | 1000 | 1180 |
| 1270 | 439 | 1400 | 51000 | 80 | 1100 | 380 | 1380 | 1380 | 1300 |
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