Advantages of Closed-Circuit Cooling Towers (All Types)
- System Cleanliness: Process loop stays clean, preventing scaling, fouling, and biological growth in sensitive equipment (e.g., lasers, PLCs, reactor jackets).
- Water & Chemical Treatment Savings: Only the small spray water loop is open to the atmosphere, reducing water volume and treatment chemical costs.
- Freeze Protection: Easier to add glycol to the closed, clean process loop for winter operation.
Lower System Pumping Head: Often located at grade level, unlike open towers which may be on roofs
Reduced Maintenance on Primary System: Less corrosion and fouling in the chilled water or process loops.