800mm Roof Ventilation Fan
Details:
1, Material: made of high-class stainless steel or color steel by stretching forming, attractive appearance, no rust ,rainproof and high efficiency ventilation.
2. Bearing: whole sealing bearing, which can ensure it operates smoothly and constantly.
3. Specifal central shaft design, high-class lubricating bearing system : preventing turbine blades rotating at high speed from deformation, and extending the service life.
Advantages :
1. Automatically operate.Save labor, save time.
2. No operating cost, no electricity consumption, environmental protection, energy-saving
3. No maintenance needed, life-long service
4. Light weight, strong and durable construction
5. Weather resistance, strong fray resistance, fine non-validity, self-cleanness, high revolving sensitivity and high ari venting efficiency.
6. Easy installation. Installation Position: flat roof, pitched roof, concrete roof and contour plate of various industrial plants.
Photographs:

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