Sunfan Series Negative Pressure Fan

Principle:
Exhaust fan is installed in one side and evaporative cooling pads is installed in the other side, then heat and exhaust inside will be taken away because of negative pressure, and fresh and filtered air will be pumped into through pad to make the air cool down by natural physical phenomenon---evaporation.

Feature:
1. Six blades design is for increasing airflow owing to the blade is make of the high strength metal(stainless steel and aluminum).
2. Shutter with a centrifugal system is used which can ensure the shutter open and close autimatically, and makes it dustproof, waterproof in centrifugal industrial ventilation/exhaust fans.
3. The motor enjoys high efficiency and energy-saving, which makes it possible to work easily under the high pressure surrounding.
4. Autimatic tensioner is adopted in industrial ventilation / exhaust fans to prevent the belt loosing and dropping off.

Application:
1. Suitable for textile workshop, clothing factory, chemical plants, hardware factory, plastic factory, toy factory, shoe-making factory, wiring factory, machinery factory, leather factory and so on.
2. Larger parking area, supermarket, waiting -room, Internet bar, playroom.
3. Fowl feed center, greenhouse, flower plantation and so on.