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DC Backward Centrifugal Fans

Many different designs, sizes and air performance levels

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Speed (RPM)
Sound pres level[dB(A)]
Max. Airflow [m³/h]
Max. Air pressure [Pa]

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Model Nominal
Power input
Sound pres
Perm amb
Voltage Type Frequency Max. Airflow
Max. Air pressure
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DC (Direct Current) Backward Centrifugal Fans are advanced air-moving devices designed for high-performance ventilation and air circulation applications. They feature backward-curved impellers driven by DC motors, offering efficient and reliable operation.

1.Product Features:

  • DC Motor Technology:

Utilizes brushless DC motors for efficient and quiet operation with variable speed control options.

  • Backward-Curved Impellers:

Designed to deliver high airflow rates and static pressure capabilities while minimizing noise levels and energy consumption.

  • Compact Design:

Space-saving design suitable for installations where space is limited, such as equipment enclosures, HVAC units, and electronic cabinets.

  • Low Maintenance:

Maintenance-free operation with long service life due to the brushless motor design and durable construction materials.

  • Wide Operating Voltage Range:

Suitable for a variety of DC power sources, allowing for flexibility in application and installation.

2.Application Scenarios:

  • Electronic Cooling:

Ideal for cooling electronics and electrical components in server rooms, telecom enclosures, and industrial control cabinets.

  • Ventilation Systems:

Suitable for use in HVAC systems, air purifiers, and exhaust fans to provide fresh air circulation and remove indoor air pollutants.

  • Thermal Management:

Used in heat exchangers, refrigeration units, and cooling towers to dissipate heat and maintain optimal operating temperatures.

  • Automotive Cooling:

Critical for engine cooling and air conditioning systems in vehicles, buses, and trains to ensure passenger comfort and engine performance.

3.Company Advantages:

  • Reliability:

Our company is known for producing high-quality DC backward centrifugal fans that are reliable, durable, and built to withstand demanding operating conditions.

  • Customization:

We offer customization options to meet specific customer requirements, including different fan sizes, voltage ratings, airflow capacities, and control features.

  • Technical Expertise:

Our team of engineers and technicians possesses extensive experience and expertise in fan design, motor technology, and thermal management solutions, ensuring optimal performance and customer satisfaction.

  • Customer Support:

We provide comprehensive support services, including fan selection assistance, technical consultation, and after-sales support, to help customers find the right solution for their application needs.


Q: What are the advantages of using DC Backward Centrifugal Fans over AC fans?

A: DC fans offer variable speed control, lower power consumption, and quieter operation compared to AC fans. They are also suitable for use in applications where precise airflow modulation is required, such as electronic cooling and HVAC systems.

Q: Can DC Backward Centrifugal Fans be used in outdoor environments?

A: Yes, we offer DC fans with IP-rated enclosures and weather-resistant construction for outdoor use. These fans are designed to withstand exposure to moisture, dust, and other environmental factors, making them suitable for outdoor ventilation and cooling applications.

Q: Are DC Backward Centrifugal Fans compatible with solar power systems?

A: Yes, our DC fans can be powered by solar panels or battery systems, making them ideal for off-grid or remote locations where access to grid power is limited. They offer energy-efficient ventilation solutions for solar-powered buildings, off-grid cabins, and mobile applications.

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