DC Centrifugal Fan_Shenzhen Bingfeng Electronics Technology Co., Ltd

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Series	mm	inch	Inquire
EK7020B	Ø70x20	Ø2.76"x0.79"	Inquire
EK10025B	Ø100x25	Ø3.94"x0.98"	Inquire
EK11025B	Ø110x25	Ø4.33"x0.98"	Inquire
EK12025B	Ø120x25	Ø4.72"x0.98"	Inquire
EK133B	Ø133x80	Ø5.24"x3.35"	Inquire
EK175B	Ø175x69	Ø6.89"x2.72"	Inquire
EK190B	Ø190x67	Ø7.48"x2.64"	Inquire
EK220B-1	Ø220x76	Ø8.66"x2.99"	Inquire
EK220B-2	Ø220x76	Ø8.66"x2.99"	Inquire
EK225B-1	Ø225x99	Ø8.86"x3.90"	Inquire
EK225B-2	Ø225x99	Ø8.86"x3.90"	Inquire

DC Centrifugal Fan Feature And Advantage

DC centrifugal fans, also known as DC blower fans or DC radial fans, are specialized fans that offer distinct features and advantages. These fans are characterized by their unique impeller design and airflow pattern, which differs from the axial flow pattern of traditional axial fans. Here are the key features and advantages of DC centrifugal fans:

Features of DC Centrifugal Fans:

● Centrifugal Impeller: The most distinctive feature is the centrifugal impeller, which consists of a curved blade wheel that draws air into the center and then expels it radially. This design generates a more focused and high-pressure airflow compared to axial fans.

● Compact Design: DC centrifugal fans are often more compact than their axial counterparts, making them suitable for installations where space is limited.

● Variable Speed Control: Many DC centrifugal fans support variable speed control, typically through PWM (Pulse Width Modulation) or voltage regulation. This allows for precise adjustment of airflow and noise levels.

● Brushless DC (BLDC) Motors: Like other DC fans, centrifugal fans often use BLDC motors, which offer efficiency, reliability, and long operational life.

● Sleeve Bearings or Ball Bearings: These fans may use sleeve bearings or ball bearings, with ball bearings providing longer operational life and durability, especially in demanding environments.

● Directional Airflow: The centrifugal design allows for directional airflow, which can be channeled into specific directions or through ducts, making them suitable for HVAC systems and enclosed spaces.

Advantages of DC Centrifugal Fans:

● High Static Pressure: DC centrifugal fans excel at generating high static pressure, making them ideal for applications where air needs to be moved against resistance, such as through ducts, filters, or heatsinks.

● Focused Airflow: The radial airflow pattern allows for concentrated and directed airflow, which is advantageous for cooling specific components or areas within an enclosure.

● Space Efficiency: The compact design of centrifugal fans allows them to fit into tight spaces, making them suitable for applications with limited room for cooling solutions.

● Variable Speed Control: Variable speed control enables precise adjustment of airflow, enabling users to balance cooling performance and noise levels according to specific requirements.

● Noise Reduction: DC centrifugal fans often operate with lower noise levels than axial fans at similar airflow rates, making them suitable for noise-sensitive environments.

● Directional Airflow Control: The ability to control the direction of airflow makes centrifugal fans versatile for various cooling and ventilation applications.

● Heat Sink Cooling: They are often used to provide efficient cooling for heatsinks, where the focused airflow helps dissipate heat effectively.

● HVAC Systems: DC centrifugal fans are commonly used in HVAC systems, air purifiers, and air circulation systems due to their high static pressure capabilities and directional airflow.

● Industrial and Commercial Applications: These fans are employed in industrial machinery, equipment cooling, refrigeration, and cleanroom systems where reliable and efficient airflow is essential.

● Compact Electronics: They find use in compact electronics, such as mini-PCs, industrial automation, and small appliances, to ensure adequate cooling within confined spaces.

DC Centrifugal Fan Application

DC centrifugal fans find applications in various industries and devices where high-pressure airflow and efficient cooling are crucial. Their ability to generate focused and directional airflow makes them well-suited for a wide range of applications. Here are some common applications of DC centrifugal fans:

● HVAC Systems: DC centrifugal fans are used in heating, ventilation, and air conditioning (HVAC) systems to move air through ducts, filters, and heat exchangers. Their ability to generate high static pressure helps maintain consistent airflow in HVAC applications.

● Air Purifiers: Air purifiers use centrifugal fans to draw air through filters, removing particles, allergens, and pollutants. The high-pressure airflow ensures efficient filtration and improved indoor air quality.

● Industrial Ventilation: In industrial settings, these fans are employed for ventilation and exhaust purposes. They can efficiently remove fumes, dust, and hot air from manufacturing facilities and warehouses.

● Electronics Cooling: DC centrifugal fans are used to cool electronic components in devices like mini-PCs, network switches, power supplies, and servers. They help maintain safe operating temperatures for sensitive electronics.

● Refrigeration and Freezers: Refrigeration and freezer units use centrifugal fans to circulate cool air and maintain consistent temperatures. They are essential for preserving food and perishable goods.

● Cleanroom Environments: Cleanroom facilities, such as semiconductor manufacturing and pharmaceutical production, rely on centrifugal fans for maintaining controlled airflow and air quality.

● Heat Sinks and Electronics Enclosures: Centrifugal fans are used to provide efficient cooling for heatsinks and electronic enclosures, ensuring that components like power transistors and amplifiers operate within safe temperature ranges.

● Automotive HVAC Systems: Automobiles use DC centrifugal fans in their heating and cooling systems to circulate air within the cabin, defrost windows, and provide comfort to passengers.

● Kitchen Appliances: Range hoods, ovens, and microwave ovens utilize centrifugal fans to exhaust cooking odors, smoke, and heat, improving kitchen air quality.

● Medical Devices: Medical equipment, such as medical ventilators and laboratory instruments, incorporate centrifugal fans for cooling and airflow management.

● Aerospace and Aviation: In aircraft, centrifugal fans are used for cabin ventilation, avionics cooling, and environmental control systems to ensure a safe and comfortable flight experience.

● Data Centers: Data centers rely on centrifugal fans for cooling servers and IT equipment, where the ability to move air effectively through server racks is critical for preventing overheating.

● Power Electronics: Centrifugal fans are used in power electronics applications, including motor drives, inverters, and battery management systems, to dissipate heat and maintain component efficiency.

● Industrial Drying and Cooling: Industries like food processing and paper manufacturing use centrifugal fans for drying processes and cooling applications.

● Transportation: Centrifugal fans are used in buses, trains, and subway systems to provide ventilation and cooling in passenger cabins.