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DC Backward Centrifugal Fans (Plug Fan)

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

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Perm amb
Voltage Type Frequency Max. Airflow
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DC (Direct Current) Backward Centrifugal Fans, also known as Plug Fans, combine the energy-efficient features of DC motors with the high-performance capabilities of backward-curved impellers. They are designed for easy integration into various ventilation and air handling systems.

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 provide high airflow rates and static pressure capabilities while minimizing noise levels and energy consumption.

  • Plug-and-Play Design:

Compact and integrated design allows for easy installation and maintenance in a wide range of applications.

  • Variable Speed Operation:

Enables precise adjustment of fan speed to match airflow requirements, resulting in energy savings and enhanced system performance.

  • Versatile Mounting Options:

Can be installed horizontally, vertically, or at any angle, making them adaptable to different installation requirements.

2.Application Scenarios:

  • HVAC Systems:

Ideal for use in heating, ventilation, and air conditioning systems in commercial buildings, industrial facilities, and cleanrooms.

  • Air Handling Units (AHUs):

Suitable for integration into AHUs to provide efficient air circulation, filtration, and ventilation.

  • Process Cooling:

Used in industrial processes such as cooling towers, heat exchangers, and condensers to maintain optimal operating temperatures.

  • Air Purification Systems:

Critical for air purification and filtration applications in hospitals, laboratories, and pharmaceutical facilities.

3.Company Advantages:

  • Expertise:

Our company has extensive experience in the design, development, and manufacturing of DC backward centrifugal fans (plug fans), offering customers reliable and innovative solutions tailored to their specific needs.

  • Energy Efficiency:

We are committed to sustainability and energy conservation, providing DC backward centrifugal fans that meet or exceed industry standards for energy efficiency and environmental responsibility.

  • Customer Support:

Our dedicated team of engineers and technical experts provides comprehensive support, including fan selection assistance, system integration guidance, and after-sales service, to ensure customer satisfaction.

  • Customization Capabilities:

We offer custom fan solutions to meet unique performance requirements, including different sizes, airflow capacities, and control options, providing flexibility and versatility for our customers.


Q: What are the advantages of using Plug Fans in ventilation systems?

A: Plug Fans offer compact, space-saving designs with direct-drive motor configurations, eliminating the need for belt drives and reducing maintenance requirements. They also provide uniform airflow distribution and reduced noise levels compared to traditional fan configurations.

Q: Can DC Backward Centrifugal Plug Fans be integrated with building automation systems?

A: Yes, our DC Plug Fans are compatible with building automation systems, allowing for seamless integration and remote control capabilities. They can be operated via various control methods, including analog signals, digital communication protocols, and wireless interfaces.

Q: Are DC Backward Centrifugal Plug Fans suitable for high-temperature applications?

A: Yes, we offer DC Plug Fans with high-temperature-resistant components and materials to withstand elevated temperatures commonly found in industrial processes and HVAC systems. These fans are designed for reliable operation in challenging environments and can be customized to meet specific application requirements.

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