Ofan Electric Co., Ltd
Where there is a fan,there is OFAN
Add to Cart
Replace Ebm-Past Ec Centrifugal Fans New Energy 315mm 355mm 400mm 450mm
1. How does this affect energy efficiency?
1. Doubling the speed of a motor increases its power input by a factor of 8 so it’s very wasteful to run a fan faster than is required. If you can tailor the fan speed to match the demand, the potential for energy saving is huge. Even when compared to on/off operation, EC speed modulation is much more efficient.
2. EC fans can also contribute to increasing the overall efficiency of an application. In a cooling system for example, keeping the refrigerant pressure constant rather than having it rise and fall as fans switch on and off has been found to reduce the load on the compressor resulting in even greater energy saving.
2. Construction
Cowls are of galvanised steel construction.
Impellers are backward-curved centrifugal design and are of high performance composite material.
Bird-mesh guards are an optional extra.
Powder-coating is an optional extra.
3. FAQ
1. Are you a factory or trading company?
We are a factory which specialized in produce external rotor motor about 10 years. We accept OEM or ODM
2. How do I know which model I should choose
Please tell us the fans pressure and ofan and size of fans’ diameter you need. We will study and suggest you the right model.
3. Can we buy a sample for testing?
Sure, you are welcomed to buy a sample before mass order.
4. if the fans doesn't work well, what shall I do ?
If happens within one year, we will take in charge of the maintenance, or send you a new machine freely.
If after one year, we will supply you the right parts to replace at low price.
5. What about delivery date?
Product can be sent to you within a week if there is stock after receiving deposit or 100% payment from customer. If there is no stock, the delivery date will be 15 to 30 days.
