roof mounted industrial exhaust fan / roof ventilator for factory / self driven roof extractor fan

Roof ventilation fan -Specifications / structure

2.  Bearing: wholel sealing bearing, which can ensure it operates smoothly and constantly.

3.  Special central shaft design, high-class lubricating bearing system: preventing turbine blades

rotating at high speed from deformation, and extending the service life.   

4, Inside support frame: cast iron. 

Roof ventilation fan -Advantages 

1, Automatically running. wind drive. One time investment, no anymore cost.

2. No operating cost, no electricity consumption, environmental protection, energy-saving.

3. No need maintenance, long life working.

4. Light weight, strong and durable construction.

5. Weather resistance,  self-cleanness, high revolving sensitivity and high air venting efficiency.   

6. Easy installation:installation position: flat roof, pitched roof, concrete roof and contour plate of various industrial plants.

7, waterproof efficiency may reach 100%. 

Roof ventilation fan -Function:

1)      Exhausting turbid, humid hot air to exterior and supplying fresh air to interior.

2)      Produce air convection as a heat radiator, reducing indoor temperature, increasing air fresh.

3)      Reduce air conditioning load, increasing the cooling effect.

Roof ventilation fan Widely used in these places

1) Ware house;

2) Factories and workshops (such as paper mill, galvanized products producing factories,

painting factories);

4) Garage and other buildings which need air ventilate.

Advantages:

1)High-efficiency ventilation

2)High-quality stainless steel body

3)Easy and fast installation.

4)Environmental protection, energy saving and no electricity cost.

5)Stable and durable, dehumidification, anti-sweat and rain-proof.

6)High sensitivity and no noise.

7)All the ventilators adopt American UBC bearings, free lubrication. Supporting brackets are all made of stainless steel, which has very good corrosion-resistant ability.

FAQ

FAQ>>About Our Factory

Q: Are you a trading company or a factory ?

FAQ>>About Price

Q: Why your price a little expensive than other China suppliers ?

A:  Our material we use is much better than other suppliers , we use high zinc-coated of 280g/m2, galvanized plate for all self driven roof extractor fan, and screws all use good quality stainless steel ,no rusty , long service life more than ten years. 

Q: Can you cheaper?

A:  We have many different types roof ventilator for factory to chosen , all the products with high quality. If you really want cheaper fans, we suggest you choose the low stage product, we can also ensure the quality. 

FAQ>>About Fan

Q: What kind of voltage you can do,   can you customize the voltage?

A:  We can do almost all types of voltage. Tell me your special voltage, I will confirm for you.

Q: I want to use our own brand, is it ok?

A:  No problem. We can provide OEM products and our own brand products , no matter what you demand, we can meet you.

Q: Can you send spare parts?

A: Yes,of course. Our warehouse is a considerable inventory, If you expend artificially cheap, we would like to send the parts, convenient transportation and cost saving.

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