Special Price for Industrial Roof Extractor Fan - Wall fan – Wenling Huwei

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Special Price for Industrial Roof Extractor Fan - Wall fan – Wenling Huwei Detail:

Introduce of  Wall fan

This kind of wall type shaking head fan is characterized by hanging on the wall, occupying no space and shaking head. It has a wide range of wind and strong applicability. Welcome new and old customers to inquire and order.

Model Phase V W r/min m3/min dB(A)
HW-500 single-phase 220 120 1380 1000 63
1230 820 60
1120 680 57

News – how fans work:

Fan, refers to the hot weather with the wind to cool the appliances. The electric fan is a device driven by electricity to generate air flow. After the fan is powered on, it will rotate and turn into natural wind to achieve cool effect.

The main components of electric fan are: AC motor. Its working principle is: the electrified coil rotates under the force in the magnetic field. The form of energy conversion is: electrical energy is mainly converted into mechanical energy, and because the coil has resistance, it is inevitable that a part of electrical energy will be converted into thermal energy.

When the electric fan works (assuming that there is no heat transfer between the room and the outside), the indoor temperature will not decrease, but will increase. Let’s analyze the cause of the temperature rise: when the electric fan works, because there is current passing through the coil of the electric fan, the wire has resistance, so it will inevitably generate heat and release heat, so the temperature will rise. But why do people feel cool? Because there is a lot of sweat on the body surface, when the electric fan works, the indoor air will flow, so it can promote the rapid evaporation of sweat. Combined with “evaporation needs to absorb a lot of heat”, people will feel cool.


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Our business sticks for the basic principle of "Quality could be the life with the firm, and track record will be the soul of it" for Special Price for Industrial Roof Extractor Fan - Wall fan – Wenling Huwei , The product will supply to all over the world, such as: Italy, Saudi Arabia, moldova, Our factory insists on the principle of "Quality First, Sustainable Development", and takes "Honest Business, Mutual Benefits" as our developable goal. All members sincerely thanks for all old and new customers' support. We will keep working hard and offering you the highest-quality products and service.Thanks.
  • Good quality and fast delivery, it's very nice. Some products have a little bit problem, but the supplier replaced timely, overall, we are satisfied.
    5 Stars By Beulah from Houston - 2018.09.29 13:24
    Sales manager is very enthusiastic and professional, gave us a great concessions and product quality is very good,thank you very much!
    5 Stars By Princess from Uruguay - 2017.09.29 11:19
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