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Customized Power Saving EC Centrifugal Fan With Box

Suzhou Dowell Ventilation Technology Co., Ltd. is a leading manufacturer and supplier of high-efficiency EC motors and fans in China. We specialize in the design, production, and customization of EC centrifugal fans, tailored to meet your technical specifications. With a professional design team and advanced testing facilities, we ensure that each product meets the highest standards of performance and reliability. Let us help you optimize your ventilation systems with a customized solution that suits your specific needs.
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The Customized Power Saving EC Centrifugal Fan With Box, designed and produced by Suzhou Dowell Ventilation Technology Co., Ltd., provides a highly efficient solution for various ventilation applications. Powered by an IE5 high-efficiency EC motor, this fan is engineered for energy savings while delivering consistent airflow. Its variable speed control adapts to different airflow demands, ensuring optimal performance in diverse environments.


Constructed with durable materials, the fan housing is available in either stainless steel or powder-coated low-carbon steel. These materials offer resistance to corrosion and ensure long-lasting durability, even in harsh conditions. The integrated box design minimizes noise and simplifies installation, featuring plug-and-play connections for ease of use and quick setup.


The fan offers multiple mounting options, giving you flexibility in how it is installed to meet specific operational needs. Side discharge is available as a standard feature, or you can request a custom configuration tailored to your requirements. For added air quality, the fan can be equipped with G3 or G4 replaceable filters, which help to improve filtration and reduce maintenance.


This fan is perfect for use in HVAC systems, industrial ventilation setups, and cooling towers, where energy efficiency, low noise, and reliable performance are essential. The intelligent design and robust construction make it an excellent choice for businesses looking to enhance their ventilation systems while minimizing operational costs.


Product Specifications


ParameterValue
Motor TypeIE5 EC Motor
MaterialStainless Steel or Powder-Coated Low Carbon Steel
Speed ControlVariable Speed (0-10V, RS485)
Mounting OptionsMultiple Mounting Options
Discharge TypeSide Discharge (Standard) or Custom Design
FiltrationG3 or G4 Replaceable Filter
Noise LevelLow Noise Design
ApplicationHVAC, Industrial Ventilation, Cooling Towers


Customized Power Saving EC Centrifugal Fan With Box: Key Features


Energy Efficiency

The EC centrifugal fan with an advanced IE5 EC motor offers up to 30% energy savings compared to traditional AC motors. This power-saving feature is ideal for industrial ventilation and HVAC systems, helping reduce operational costs while optimizing airflow efficiency.


Long Service Life

Constructed with high-quality materials, the power-saving EC fan ensures durability and a longer lifespan. The robust design requires minimal maintenance, reducing long-term costs. This makes it a great choice for businesses looking for reliable and low-maintenance solutions.


Compact and Integrated Box Design

The compact box design simplifies installation and reduces noise. It fits easily into tight spaces, making it suitable for systems with limited installation room. The integrated housing provides stability and ease of setup, making it perfect for HVAC systems and cooling tower applications.


Low Noise Operation

Designed to minimize sound, the EC fan operates quietly, making it ideal for noise-sensitive environments. Whether for commercial spaces, residential buildings, or agriculture, the fan’s low-noise design ensures minimal disruption and optimal comfort.


Intelligent Speed Control

The fan features intelligent speed control via 0-10V or RS485 signals, allowing precise adjustments based on real-time airflow needs. This advanced EC motor control enhances performance while maintaining energy efficiency. Ideal for HVAC systems and industrial ventilation, it adapts to varying operational requirements.


Flexible Mounting Options

With versatile mounting configurations, this EC centrifugal fan can be customized to meet specific installation needs. It’s compatible with various systems, ensuring ease of integration for industrial ventilation and HVAC applications.


Customizable Filtration

The fan can be equipped with replaceable G3 or G4 filters, improving air quality and ensuring compliance with specific filtration requirements. This feature is ideal for applications where clean air is essential, such as in HVAC systems, cooling towers, and agriculture.


Versatile Applications

This fan is well-suited for a variety of applications, including HVAC systems, industrial ventilation, and cooling towers. Its high-efficiency airflow and reliable performance make it a top choice for commercial, industrial, and agricultural sectors seeking energy-efficient ventilation solutions.



Model

Dia. Of impeller  (mm)

Max speed

(rpm)

Max. Power  (W)

Max. Airflow (m3/h)

Noise Level (dB)

Weight

(kg)

DWBF-220-EC

220

3200

177

985

37

29
           

DWBF-250-EC

250
           

2900

182

1465

37

29

DWBF-300-EC

300
           

1930

176

1923

28

30

DWBF-400-EC

400

1560

460

3640

38

60

DWBF-500-EC

500

1240

1155

6570

36

108



How can we effectively reduce noise levels in air movement for specialized ventilation systems, such as those in hospitals, schools, offices, and laboratories? One of the most important factors is optimizing the structural design to minimize airflow noise. Another critical aspect is operating the impeller according to its specific airflow needs.


The below is calculation of noise level deduct when EC box fan run in variable speed.


This is noise level formula from impeller speed.


           

Air Flow rate percentage

100%

75%

50%

AC motors ON/FF control

M dB @ 4 fans on

-2 dB @ 3 fans on, 1 fan off

-3 dB @ 2 fans on, 2 fans off

EC motor Variable speed control

M dB

-10 dB @ 75% speed

-15 dB @ 50% speed


So, the EC motors driven impeller can give best solution in noise control.


Applications of Customized Power Saving EC Centrifugal Fan With Box


Healthcare Settings

In hospitals, operating rooms, and laboratories, this EC centrifugal fan ensures clean air while maintaining a quiet atmosphere. Its low noise levels are crucial in sensitive environments, ensuring that ventilation systems operate efficiently without disrupting medical procedures or patient recovery.


Commercial Buildings

For office buildings, shopping centers, and hotels, the fan provides efficient air circulation while minimizing noise. It meets the stringent air quality and noise control requirements essential for creating comfortable indoor environments in commercial spaces.


Residential Spaces

In apartments and villas, the fan maintains a peaceful indoor environment. Its reliable performance and noise-reducing design make it perfect for homes that require efficient ventilation without disturbing the comfort of residents.


Efficient and Quiet Operation

The fan’s EC motor technology reduces airflow noise, delivering both high performance and energy efficiency. By adjusting the impeller to real-time requirements, it not only lowers noise but also reduces power consumption, making it an excellent choice for industrial ventilation and HVAC systems.


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We are focusing on design, manufacturing and sales of EC motors, EC fans, EC axial fans, EC centrifugal fans, fan impellers, which are electronically commutated PMSM internal rotor motors.

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