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Cooling Coil
Drift Eliminator
PVC Fill
Fan
Spray Nozzle
V-type Air Cooler
Fan
Cooling Tower Fan
Overview
The fan is the driving force of airflow in cooling towers and evaporative condensers. By inducing or forcing air through the fill or coil sections, fans enable evaporative cooling and efficient heat rejection.
Role in Cooling Towers
Fans maintain the required air velocity and distribution across the heat exchange surfaces. Their design directly impacts cooling efficiency, noise levels, and power consumption.
Types of Fans
- Axial Fans: Lightweight, efficient, commonly used in most cooling towers. Available with adjustable pitch for performance tuning.
- Centrifugal Fans: Used where static pressure is high or when low noise operation is required, typically in indoor installations.
Applications
Fans are used in counterflow and crossflow cooling towers, hybrid towers, evaporative condensers, and dry coolers. Selection depends on airflow rate, static pressure, and noise requirements.
How to Select
- For large industrial towers → axial fans with FRP blades are preferred.
- For urban installations → centrifugal fans reduce noise and vibration.
- Choose blade material (aluminum, FRP) based on durability and cost.