Choosing the Right Centrifugal Fan: Backward vs. Forward Curved

The centrifugal fans have different types such as the backward curved and forward curved.

A popular fan type for maintaining high efficiency and performance are backward curved centrifugal fans. These are fans specially designed to move high volumes of air through the fan at a relatively high speed, as such are perfect option for applications that require movement of large amount of air over short distances. Furthermore, backward curved fans are built to work at higher static pressure which is why they perform with ducted systems smaller.

Key Selection for the Proper Centrifugal Fan

In selecting a centrifugal fans, there are numerous factors to take into consideration. The first important point is the airflow requirements of your application. If it is necessary to move a lot of air, a backward curved fan might be the right selection. However, if noise is a concern, you should pay attention to the noise as well with a forward curved fan. Also take into account the static pressure needs of your system. If you want a fan that can work with high static pressures, then go for a backward curved. In other extreme this type of fan are adequite for system that operates at low static pressures.

Difference Between Backward & Forward Curved Fan Efficiency & Performance

In general, backward curved fans are more efficient and perform better than forward curved fans. The benefit is backward curved blowers deliver air at especially high speeds and pressures, which can be more useful in some applications. However, in general forward curved fans are more energy efficient and quieter than backwards-curved fans. There are so many applications that can benefit from a backward and forward curved centrifugal fans, so it is critical to choose the right one for your needs. 

Select the Proper Centrifugal Fan for Your Application

However, there are many aspects to consider while selecting the best centrifugal fan for your application and constraints. Forward curved fans are the best choice when a low-speed / high-pressure type fan is needed, while reverse curve operates at higher speeds and pressures. Conversely, if noise and energy efficiency are being considered then the best bet is a forward curved fan. Another thing to remember is that Fans in Ahmedabad assume the size and setup of your system while selecting a centrifugal fan.