window fan automatic shutter for ventilation

Specifications

Features:

1. Central hub and v-belt pulley are made from die-cast aluminium,with reinforced ribs for prolonged lifetime
2. Reduced stress on motor bearing
3. Class A motor featuring excellent efficiency and low energy consumption
4. Each motor is individually tested for 100% quality control
5. Fan housing and venturi made of strong galvanised sheet-steel
6. Welded wire guards designed for easy maintenance fitted with noise reduction supports
7. Propeller is statically and dynamically balanced
8. Shutters are made of pressed galavanised steel in order to ensure highest strength
9. Shutter bearings are maintenance free

10.  Dust-safe opening and closing

11.  Powerfull springs keep shutters firmly closed when fan is not operating

12.  Every fan is individually checked for qualit

Applications:

1.  Industrial fields: textile, socks/clothes making, glass, molding, rubber, coating, silk-screen printing, toy, electronics, home appliances, shoe making, printing, food stuff, processing, dyeing, laundry and other workshops with high temperature.

2.  Civil fields: net bars, stores, supermarkets, mess hall, food markets, waiting-rooms and recreation places and other occasions with air-conditioning.

3.  Agricultural &horticulture fields: large farms, greenhouse and livestock farms, etc