Evaporative Closed Circuit Coolers

Evaporative closed-circuit coolers represent the next generation of industrial heat-rejection technology. Engineered for high-efficiency cooling, low water use, and complete fluid separation, these systems ensure dependable temperature control for important processes where cleanliness, efficiency, and continuous operation are essential.

Designed for demanding industrial environments, our evaporative closed-circuit coolers combine evaporative cooling, dry cooling, and closed-loop functionality to deliver unmatched performance, even in extreme ambient temperatures.

What Is an Evaporative Closed-Circuit Cooler?

An evaporative closed-circuit cooler (also known as a closed-loop cooling tower) is a heat-transfer system where the process fluid flows through a sealed coil. Water cascades over the coil, while a high-efficiency fan draws air through the unit. The resulting evaporation removes heat from the coil without exposing the process fluid to contaminants.

This technology ensures:

Zero contamination of process fluid
Lower operating temperatures vs. dry coolers
Reduced chemical usage compared to open cooling towers
Consistent, dependable cooling performance

This makes closed-circuit coolers ideal for industries where product quality, precision cooling, and equipment protection are essential.

Key Performance Advantages

1. Fully enclosed process loop—maximum fluid protection

Your process fluid never comes in contact with external water, dust, scale, or biological contaminants. This leads to:

Longer equipment life
Minimal fouling or scaling
Reduced maintenance and downtime

2. Superior Cooling Efficiency

Evaporative heat transfer allows the system to deliver lower temperatures than air-cooled units, making it ideal for high heat loads and continuous operation.

3. Significant Water & Energy Savings

Lower water usage than conventional cooling towers
Variable-speed EC/axial fans for reduced power consumption
Optimized drift eliminators reduce water carryover

4. Compact Footprint & High Capacity

The system is designed to optimize performance while occupying minimal space, allowing for flexible installation in both new and existing facilities.

5. Industry-Grade Construction

Available in galvanized steel, stainless steel, epoxy-coated casings, and corrosion-resistant materials to ensure long-term durability.

6. Reduced Chemical Treatment

Because the process loop is sealed, far fewer chemicals are required—making the system safer, environmentally friendly, and cost-effective.

Where closed-circuit coolers are used

Evaporative closed-circuit coolers are ideal for industries that require clean, reliable, and efficient cooling:

Industrial HVAC systems
Plastic injection molding & extrusion.
Chemical & pharmaceutical plants
Power generation & energy facilities.
Food & beverage production
Metalworking, foundries, and forging
Datacenters and IT cooling
Process refrigeration systems

Their ability to maintain water purity and stable temperatures makes them a superior choice for precision manufacturing environments.

Comparison Table: Closed Circuit Coolers vs. Traditional Cooling Towers

Feature	Closed Circuit Coolers	Traditional Cooling Towers
Process Fluid Protection	A fully sealed loop prevents contamination, scaling, and dirt entry.	Open to the atmosphere; high risk of debris, bacteria, and impurities.
Maintenance Requirements	Low maintenance; minimal cleaning and reduced chemical usage.	High maintenance; frequent cleaning, chemical dosing, and descaling needed.
Water Consumption:	Lower water usage due to controlled evaporation and closed-loop design.	Higher water consumption because of continuous evaporation and blowdown.
Energy Efficiency	High efficiency with lower approach temperatures; ideal for continuous loads.	Efficient, but performance decreases with contamination and poor water treatment.
System Reliability	Consistent cooling performance; protects downstream equipment.	Performance varies depending on water quality and environmental conditions.
Equipment Lifespan	Longer lifespan due to reduced corrosion and scaling.	Shorter lifespan due to open exposure and heavy scaling.
Operating Cost:	Lower overall cost (less water, fewer chemicals, reduced downtime).	Chemicals, maintenance, and water treatment contribute to higher long-term costs.
Installation Flexibility	Compact and modular; easy to integrate in restricted spaces.	A larger footprint may require significant installation space.
Environmental Impact	The system reduces chemical discharge, thereby improving hygiene and safety.	Higher chemical use and greater risk of biological growth (e.g., Legionella).
Best Use Cases	Precision industries, pharmaceuticals, HVAC, plastics, and data centers.	General cooling needs where water quality is manageable.

Why Choose Our Evaporative Closed Circuit Coolers?

We provide cooling systems engineered with industry-leading performance, long-term reliability, and smart design enhancements. Industrial operators worldwide trust our coolers because they offer the following benefits:

Our coolers offer high thermal performance per square meter.
Robust, low-maintenance operation
Reduced total cost of ownership
Custom capacities, configurations, and coil materials
Full technical support, from sizing to commissioning.

Whether upgrading from an open cooling tower or designing a new line, our closed-circuit coolers deliver the efficiency and safety modern industries require.

Request Technical Specifications or a Custom Quotation

Every industrial process has unique cooling demands.

Our engineering team can help you size the perfect evaporative closed-circuit cooler for your application.