Inline Centrifugal Fan

Most of the industries built the building without a predesign for the required airflow system. So, engineers often face the difficult situation of designing a ventilation system in those industrial facilities where ductwork is already built and the rooftop is also fixed. There is no place to install a general centrifugal fan because you need a proper space for 90° discharge housing and mounting space to install a housed centrifugal fan.

An axial fan can be installed in this case, but this fan cannot generate enough static pressure to overcome the long duct runs, multiple bends and filter obstructions. As a consequence, airflow decreases at the end point of the duct, which cannot fill the ventilation criteria.

Inline Centrifugal Fan can resolve this problem directly. It can be installed easily in the existing duct run. Its cylindrical casing can directly join with the existing duct flange without changing any direction. Air can come in and then go out straight through the backward-inclined centrifugal impeller. As a result, we can get the benefits that are mentioned below:

- centrifugal-class static pressure that can easily cross the duct friction, filter, damper and multiple bends.

- Doesn't require a 90° discharge housing.

- No need for extra ductwork transition.

- Easily install in horizontal, vertical or any angular direction.

There are some important specifications of an Inline Centrifugal Fan for engineers. It has mid-range airflow and fair enough static pressure with moderate aerodynamic efficiency. This unit has a bit low efficiency because of air direction, which is very normal for this model based on its design. It comes with cylindrical-tubular, and square casing types; it can be chosen based on the duct shape. It has a non-overloading power curve; lower noise compared to an axial fan and VFD compatibility. It is an ideal choice for those industrial facilities that need centrifugal pressure performance for existing duct.