CTI Certified Closed Circuit Type Evaporative Cooling Tower Factory Price Cooling Equipment Cooling System Open Closed Copper Type Heat Exchanger Cooling Tower

• Customization: Available
• After-sales Service: Efficient Post-Sale Response
• Warranty: 1 Year
• Model NO.: 50T-600T
• Cooling Method: Counter Flow
• Ventilation Mode: Natural Ventilation
• Material: Customized
• Air Contact Form: Dry
• Air Contact Way: Closed
• Tower Shape: Square
• Noise Level: Customizable Noise Reduction Equipment
• Application Fields: Industrial
• Certification: ISO, CE, CTI 2006/42/Ec
• Condition: New
• Product Name: Closed Cooling Tower
• Weight/Kg: 1000
• Voltage: Three Phases, 380~480V, AC
• Core Components: Motor
• Water Flow: 5~300t/H
• Power(W): Customized
• Colour: Customized
• Advantage: Easy to Operate
• Water Capacity: 150m3;/H
• Circulating Water Flow: 65m3/H
• Inlet/Outlet Pipe Size: DN100
• Production Capacitycoil Material: Cooper
• Inlet/Outlet Temperature: 37/32c
• Casing Material: Ss/Aluminium Zinc Plate/Superdyma
• Coil Material: Ss/Copper
• Transport Package: Wooden Case
• Specification: customized
• Trademark: Shandong Haofeng
• Origin: Shangdong Weifang
• HS Code: 8419500090
• Production Capacity: 10000pieces/Year
• Package Size: 1000.00cm * 800.00cm * 600.00cm
• Package Gross Weight: 1000.000kg

Product Description

Product Description

 Industrial Closed Circuit Cooling Tower

What's a Closed Circuit Cooling Tower?

A closed circuit cooling tower is a type of industrial cooling equipment used to remove heat from process fluids while keeping them completely enclosed within a sealed piping system.

Instead of exposing the process fluid directly to air, the fluid flows inside a coil bundle. Outside the coils, a combination of airflow and recirculated spray water works together to dissipate heat efficiently. The spray water absorbs heat from the coil surface and releases it into the atmosphere through evaporation, while fans enhance air movement for better performance.

This design ensures that the process fluid remains clean and unaffected by external contaminants. As a result, it minimizes fouling, scaling, and corrosion, which helps extend equipment lifespan and reduce operational costs.

Closed circuit cooling towers are widely used in industries such as HVAC, manufacturing, power generation, and chemical processing, where stable cooling performance and fluid protection are critical.

Cross Flow Closed Circuit Cooling Tower

Combined Closed Circuit Cooling Tower

In a cross flow cooling tower, hot water enters through the inlet and is evenly distributed over the fill media. As the water flows downward, air is drawn into the tower from the side by the fan and moves horizontally across the falling water. Through evaporation and convection, heat is transferred from the water to the air, reducing the water temperature efficiently. The warm air is discharged from the top, while the cooled water is collected in the basin and recirculated back to the system. This design ensures stable performance, low resistance, and efficient cooling operation.

Combined Flow Cooling Tower combines counter flow and cross flow air movement to enhance heat exchange. Air flows both vertically and horizontally, improving efficiency and ensuring stable, uniform cooling performance.

Part of the air flows vertically upward (counter flow), directly opposing the falling water, maximizing heat transfer efficiency. At the same time, another portion of air flows horizontally (cross flow) through the fill layers, improving airflow distribution and reducing resistance.

Components

Hot-dip Galvanized Steel VS 304 Stainless Steel 

1. Material Overview
Hot-dip Galvanized Steel (HDG)
Carbon steel coated with a protective zinc layer
Corrosion resistance depends on the zinc coating (sacrificial protection)
Cost-effective and widely used in standard industrial applications
 
304 Stainless Steel
Alloy steel containing chromium and nickel
Naturally corrosion-resistant due to its passive oxide layer
Suitable for harsh and demanding environments

Cost:
Hot-dip galvanized steel is more economical, while 304 stainless steel requires a higher initial investment.

Corrosion Resistance:
Galvanized steel offers moderate protection, while 304 stainless steel provides excellent corrosion resistance.

Water Quality Adaptability:
Galvanized steel is suitable for normal water conditions, while 304 stainless steel performs well in corrosive environments.

Application Environment:
Galvanized steel is used for standard industrial conditions, while 304 stainless steel is ideal for coastal, humid, or chemical environments.

Service Life:
Galvanized steel typically lasts 8–15 years, while 304 stainless steel can last 15–25+ years.

Maintenance:
Galvanized steel requires periodic maintenance, while stainless steel needs minimal maintenance.

Appearance:
Galvanized steel has an industrial look, while stainless steel offers a cleaner and more premium finish.

Spray Nozzle

Made of PP, ABS or Stainless Steel, anti-clogging and wear-resistant
Ensures uniform water distribution over coils or fill

Axial Flow Fan

Aluminum alloy or Nylon blades
Large air volume, low energy consumption
Stable and low-noise operation

Electrical Control System

Intelligent control (optional PLC)
Temperature-based automatic operation

Famous Brand Customized 
Energy-saving control.

Top Brands electric components

Specification

Mode No.	Cooling capacity (kcal/h)	Main circulating pump	Fan		Spray pump
		Power(kw)	Air Volumn(m³/h)	Power(kw)	Flow(m³/h)	Power(kw)
HFB-N10	50000	3*1	10000	0.37*1	11	0.75
HFB-N15T	75000	3*1	10000	0.37*1	11	0.75
HFB-N20T	100000	3*1	10000*2	0.37*2	22	.1.1
HFB-N30T	150000	4*1	15000*2	0.75*2	22	1.1
HFB-N40T	200000	5.5	15000*2	0.75*2	28	0.75
HFB-N50T	250000	5.5*2	22000*2	1.5*2	53	1.1
HFB-N100T	500000	11*2	22000*3	1.5*3	80	2.2

FAQ

1. How do I select the right cooling tower for my application?
Answer:
You only need to provide basic data such as flow rate, inlet/outlet temperature, and ambient wet-bulb temperature. Our engineers will calculate and recommend the most suitable model to ensure performance and cost efficiency.

2. What information is required for accurate quotation?
Answer:
Key data includes cooling capacity, fluid type, temperature range, installation location, and power supply. With complete information, we can provide a fast and accurate quotation.

3. What is the difference between open and closed circuit cooling towers?
Answer:
Open cooling towers allow direct contact between water and air, while closed circuit towers use a coil to keep the process fluid clean and protected. Closed systems are ideal for higher requirements on cleanliness and stability.

 4. How do you ensure cooling performance?
Answer:
All cooling towers are designed based on thermal calculations and can be tested according to CTI standards. We ensure stable outlet temperature under specified working conditions.

5. What materials do you use? Are they durable?
Answer:
We offer options such as galvanized steel, stainless steel, and FRP, depending on your environment. All materials are selected for corrosion resistance and long service life.

6. What is the lead time?
Answer:
Standard production time is 7–15 working days after deposit. For customized or bulk orders, the lead time may vary.

7. How about maintenance and operating cost?
Answer:
Our cooling towers are designed for low maintenance and energy efficiency. Regular inspection of key components is sufficient to ensure long-term operation.

 
8. Can you customize the cooling tower?
Answer:
Yes, we provide full customization including capacity, dimensions, materials, motor brands, and control systems to meet your project needs.

9. What certifications do you have?
Answer:
We can provide certifications such as CTI, CE, and ISO, depending on the product and market requirements.

 
10. What after-sales support do you provide?
Answer:
We offer 12 months warranty, technical support, spare parts supply, and on-site service if required.