Large indoor fan
Description: 20ft(6.1m) Energy-saving ventilation fan
Model:BC-D5-61AA
Size:24ft(7.3m)
Power:1.5kw
Blade: 5 pcs magnalium blades
Voltage:AC220V
Max speed: 60rmp
The weight of the fan:122kgs
Warranty:2years
Function: Air cooling
Operating Principle
Large industrial fan’s operating principle: Through the ultra-wide and long fan blades, the show rotation produces a large amount of air,which continuously spreads from top to bottom and along the ground,forming a gentle breeze of 1-4m/s,which makes people fell cool.
Schematic of wind movement
For 1000m2 space
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http://www.cnbichen.com/