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Dry Cooler
Challenges in Dry Cooler Applications
High ambient temperature reduces heat rejection efficiency
Airflow obstruction caused by dense fin heat exchangers
Continuous operation leads to high energy consumption
Fan noise and vibration affect system stability
What Dry Cooler Systems Require from Fans
High static pressure capability
Stable long-time operation
Energy-efficient speed control
Low noise performance
Corrosion resistance for outdoor use
Smart control compatibility (0–10V / PWM / Modbus)
OUR ENGINEERING SOLUTION
1. High-Efficiency Axial Fan Systems
Optimized blade geometry for dry cooler resistance
High airflow at low energy consumption
Suitable for large condenser arrays
2. EC Intelligent Fan Systems
Built-in electronic commutation motor
Variable speed control
Energy savings up to 70%
Smart integration with HVAC control systems
3. Heavy-Duty Industrial Fans
IP55–IP66 protection level
Corrosion-resistant materials
Designed for outdoor harsh environments
Product Range for Dry Cooler Fans
Wide range of axial fans covering 500mm to 910mm for dry cooler applications
| Model | Size (mm) | Fan Type | Voltage (V) | Air Flow (m³/h) | Speed (min⁻¹) | Power (W) | Current (A) | Air Pressure (Pa) |
|---|---|---|---|---|---|---|---|---|
| W6D910-GA01-01 | 910 | Axial Fan | 400 | 20700 | 885 | / | ≤ 3.5 | / |
| W6D910-KD01-01 | 910 | Axial Fan | 400 | 18355 | 870 | / | / | / |
| W6D910-KA19-03 | 910 | Axial Fan | 400 | 18755 | 1100 | 2580 | / | / |
| W3G910-KU25-03/F01 | 910 | Axial Fan | 400 | 20280 | 980 | / | ≤ 3.5 | / |
| W3G910-LU25-03/F01 | 910 | Axial Fan | 400 | 32930 | 980 | / | ≤ 3.5 | / |
| W3G910-LV12-36/F01 | 910 | Axial Fan | 400 | 35825 | 1070 | 3250 | / | / |
| W3G910-KV12-03/F01 | 910 | Axial Fan | 400 | 36070 | 1050 | / | ≤ 3.5 | / |
| W6D800-GD01-01/F01 | 800 | Axial Fan | 400 | 16545 | 880 | / | / | / |
| W6D800-GD01-01 | 800 | Axial Fan | 400 | 24110 | 880 | 1940 | / | / |
| W6D800-GE05-03 | 800 | Axial Fan | 480 | 25190 | 1125 | / | / | / |
| W6D800-KG13-01 | 800 | Axial Fan | 400 | 14615 | 870 | / | ≤ 3.5 | / |
| W3G800-KU21-05 | 800 | Axial Fan | 400 | 18635 | 1100 | / | / | / |
| W3G800-KS39-03/F01 | 800 | Axial Fan | 400 | 25740 | 940 | / | / | / |
| W3G800-GV01-01/F02 | 800 | Axial Fan | 400 | 18115 | 1090 | 2980 | ≤ 3.5 | / |
| W3G800-LV05-03/F01 | 800 | Axial Fan | 400 | 31740 | 1190 | 3500 | / | / |
| W6D710-GH01-01 | 710 | Axial Fan | 400 | 16080 | 1060 | / | / | / |
| W3G630-NR63-01 | 630 | Axial Fan | 400 | 7775 | 1260 | 1150 | / | / |
| W4D630-GD01-01 | 630 | Axial Fan | 400 | 10360 | 1050 | 1750 | / | / |
| W3G500-ZQ12-90 | 500 | Axial Fan | 400 | 11810 | 1870 | 1600 | / | / |
Note: “/” indicates data not available.
Recommended Fans for Dry Cooler Systems
High-efficiency axial fans for industrial dry cooler applications.
W6D910-GA01-01
910mm Fan |
W6D800-GD01-01/F01
Industrial Cooling |
W6D710-GH01-01
High Airflow |
W3G630-NR63-01
Energy Saving |
W3G500-ZQ12-90
Low Noise |
Dry Cooler Fan FAQs
Frequently asked questions about selecting the right axial fans and EC fans for industrial dry cooler systems.
Q1: Which fan is best for large dry coolers requiring maximum airflow with low noise?
We highly recommend the W6D910-GA01-01. This 910mm AC axial fan delivers up to 20,700 m³/h airflow while maintaining a low noise level of only 70 dB(A). Its aerodynamically optimized sickle-shaped blades reduce turbulence and vibration, making it ideal for dry coolers near offices, hospitals, and noise-sensitive environments.
Q2: Which 800mm fan is suitable for high static pressure dry coolers?
The W6D800-GD01-01/F01 is designed for high static pressure applications. It provides up to 160 Pa pressure and 16,545 m³/h airflow, making it ideal for dense fin packs and demanding heat exchange systems.
Q3: What fan is recommended for mid-sized dry coolers?
The W6D710-GH01-01 is an excellent balance of airflow, efficiency, and compact design. It generates 16,080 m³/h airflow with 170 Pa static pressure, making it suitable for a wide range of industrial cooling applications.
Q4: Which EC fan is best for intelligent dry cooler systems?
The W3G630-NR63-01 is ideal for smart dry cooler systems. It includes a built-in PID controller and RS-485 MODBUS-RTU communication for precise speed control and seamless BMS integration while maximizing energy savings.
Q5: Which EC fan is suitable for extremely high-pressure applications?
The W3G500-ZQ12-90 is optimized for high static pressure applications. Despite its compact 500mm size, it delivers up to 440 Pa pressure and 11,810 m³/h airflow, ideal for restrictive coils or long duct systems.
Q6: Why is fan selection critical for dry cooler performance?
The fan determines airflow volume and static pressure across the dry cooler coil. Proper fan selection ensures efficient heat rejection, stable operating temperatures, and reliable system performance under varying conditions.
Q7: What is the difference between AC and EC fan technology?
AC fans are reliable and cost-effective for standard cooling systems. EC fans offer higher energy efficiency, intelligent speed control, MODBUS communication, soft-start functionality, and significantly lower power consumption.
Q8: Are these fans suitable for outdoor dry cooler applications?
Yes. These fans use corrosion-resistant housings and coated aluminum or PP blades. Combined with IP54/IP55 protection ratings, they are designed for long-term outdoor operation in harsh industrial environments.
Q9: Are special fans needed for very cold climates?
Standard models support startup temperatures down to -40°C. For continuous low-temperature operation below -25°C, special low-temperature bearing designs are recommended for long-term reliability.
Q10: What smart control features are available?
EC fans provide advanced smart functions including RS-485 MODBUS-RTU communication, integrated PI controllers, alarm relays, soft-start technology, and 0–10V/PWM speed control for intelligent thermal management systems.
Need the Right Fan for Your Dry Cooler System?
Contact our engineering team for professional fan selection support, airflow optimization, and customized cooling solutions for industrial dry cooler applications.
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