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The non powered roof fan WDF is an environmentally friendly and energy-saving ventilation device that does not require electric power to operate, relying solely on natural wind or air convection generated by indoor and outdoor temperature differences. WDF fans are exquisitely designed, compact in structure, lightweight, easy to install, and suitable for various roof structures. Its blades are made of special materials and have characteristics such as wind, rain, and dust resistance, ensuring long-term stable operation. At the same time, WDF fans also have lighting functions, which can increase indoor illumination and save electricity costs. This product is widely used in factories, warehouses, villas and other places, and is an ideal choice for achieving ventilation and reducing indoor temperature.
No electricity: completely replace electric exhaust fans and replace expensive electricity bills with natural resources.
Fire prevention: It avoids the fire hazard caused by the overload of electric power and short circuit.
Weatherproof: The main body of the fan is composed of dozens of arc-shaped blades, which can lead out rainwater, and at the same time, the blades can discharge heat to block the intrusion of rainwater.
Light weight: The material used is light, suitable for installation in workshops with different building materials.
Rugged and durable: the wind exhaust main shaft tripod has a four-claw structure, which can ensure that it is intact under the strong wind of 200 kilometers per hour.
Enhancing light: As stainless steel and aluminum have excellent reflectivity, it can enhance indoor light.
No maintenance: The main shaft adopts a sealed thimble bearing system, which has high sensitivity and can ensure long-term use.
No noise: The main body is made of 304# stainless steel and AE-MG5050 aluminum alloy, which is anti-rust and anti-corrosion, and can resist strong acid and alkali.
| Model | Height(mm) | Width(mm) | Exhaust vent diameter(mm) |
| WDF-4.2 | 480 | 550 | 420 |
| WDF-5.2 | 475 | 650 | 528 |
| WDF-6.3 | 470 | 750 | 635 |
The installation of the non powered roof fan WDF is simple and fast. Users need to first determine the appropriate installation position to ensure that the fan can be firmly fixed on the roof and will not obstruct normal traffic or create safety hazards. Then, use the accompanying installation tools and fasteners to firmly connect the fan to the roof structure according to the steps in the product manual. During the installation process, please pay attention to maintaining the balance and level of the fan blades to ensure their normal operation. Finally, check if all installation components are secure and reliable, and clean the site. Before use, please ensure that there are no obstacles around the fan to fully utilize natural wind power for ventilation and air exchange.
Zhejiang Shuntong Electric Co., Ltd. was established in 2009, specializing in the production of various high and low voltage complete sets of equipment.
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