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Good Quality EC Axial Fan with Short Case

Suzhou Dowell Ventilation Technology Co., Ltd. is a leading manufacturer of high-performance EC axial fans. We provide a wide range of energy-efficient solutions designed for various industrial applications. Our EC axial fans with short cases are engineered for compact spaces, offering reliable cooling and ventilation.
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Product Description for Good Quality EC Axial Fan with Short Case


The Good Quality EC Axial Fan with Short Case is a high-performance, energy-efficient solution designed for various industrial cooling applications. This EC axial fan offers reliability and superior airflow while optimizing energy consumption.


The fan features blades made of die-cast aluminum or pressed aluminum sheet, ensuring both strength and efficient airflow. The housing is constructed from durable steel plate, coated with a primer and powder coating for long-lasting protection. The painted components, including the fan housing, motor, and grid, provide resistance against corrosion and wear.


This fan is available with protection ratings of IP55, IP65, and IP66, making it suitable for both indoor and outdoor installations. Its installation options include horizontal (airflow upward) and vertical (drain plug downward), offering flexibility for various setups.


The EC motor integrates electronic commutation and features an inverter at the non-drive end (NDE), ensuring quiet operation and high efficiency. The motor is F-class insulated, guaranteeing reliability and extended operational life. The fan is built according to global standards like IEC 60034-1, IEC 60335-2:80, and ISO 5801, ensuring top-tier performance.


This EC axial fan is ideal for industrial HVAC systems, machinery cooling, and any other ventilation application requiring a compact, efficient, and low-maintenance fan. Its energy-efficient design reduces operational costs, making it a perfect choice for industries looking to enhance efficiency and minimize energy consumption.


Product Parameters:


ParameterValue
Blade MaterialDie-cast aluminum or pressed aluminum sheet
Housing MaterialSteel plate with primer coating and powder coating
Painted ComponentsEC fan housing, motor, grid
Protection ClassIP55, IP65, or IP66 (depending on model)
MotorEC motor with integrated inverter (NDE)
Motor InsulationF-class insulation
Production StandardsIEC 60034-1, IEC 60335-2:80, ISO 5801
Installation PositionHorizontal (airflow upward) or vertical (drain plug downward)
ApplicationIndoor and outdoor installations


This fan offers excellent durability and energy-saving benefits, making it a preferred choice for industrial ventilation, HVAC systems, and cooling systems in a variety of industries, including manufacturing, data centers, and commercial applications.


Suzhou Dowell Ventilation Technology Co., Ltd., located near Shanghai, specializes in designing, manufacturing, and supplying energy-efficient ventilation solutions. With a strong focus on providing high-quality EC motors and fans, our products are widely used in industrial ventilation, HVAC systems, livestock farming, and more. We pride ourselves on offering tailored solutions to meet specific client needs, ensuring optimal performance and energy efficiency. Our commitment to innovation and excellence is reflected in our dedication to creating customized EC fan solutions for every unique application.

Key Features of Good Quality EC Axial Fan with Short Case


The Good Quality EC Axial Fan with Short Case is designed to provide enhanced efficiency, flexible control, and reliable performance in industrial and commercial applications. Below are the key features that make this fan an ideal choice for your ventilation and cooling systems.


High-Efficiency IE5 EC Motor

This fan is equipped with an advanced IE5 EC motor, a permanent magnet synchronous motor (PMSM). The motor provides high power density, minimal magnet loss, and reduced noise, making it highly energy-efficient. The motor's variable speed capability ensures that the fan adjusts to real-time load requirements, optimizing energy consumption for industrial and commercial applications.


Remote Monitoring and Control

A standout feature of the EC axial fan is its ability to be remotely controlled. It can be managed via a 0-10VDC potentiometer or MODBUS interface. This remote control functionality allows for easy monitoring and precise management of airflow in various applications, from industrial HVAC systems to transformer cooling.


Customizable Control with Sensors

The fan’s advanced control logic board offers dynamic adjustments based on environmental conditions. It can integrate with humidity, pressure, or temperature sensors, enabling automatic performance optimization. This feature ensures that the fan operates efficiently, maintaining the desired temperature in systems like data centers, HVAC, and industrial cooling.


Designed for Versatility

The fan’s short case design ensures compatibility with a wide range of applications, including industrial ducts, transformer cooling systems, and HVAC units. Its compact and robust construction allows for seamless integration into both indoor and outdoor setups, providing a versatile solution for various cooling needs.


Easy Installation and Maintenance

With its plug-and-play design, the fan is easy to install in both new systems and as part of upgrades. The durable materials and protective coatings ensure that the fan requires minimal maintenance, reducing long-term operational costs. Its ease of installation makes it ideal for commercial and industrial systems where downtime needs to be minimized.


Industry Standards Compliance

This fan is manufactured to meet international standards such as IEC 60034-1, IEC 60335-2:80, and ISO 5801. These certifications guarantee reliable performance, safety, and compatibility with other industrial and commercial systems. This ensures it meets industry-specific requirements for energy efficiency and operational safety.


Durability and Protection

The fan offers IP55, IP65, or IP66 protection ratings, ensuring that it can withstand tough environmental conditions. These ratings make the fan resistant to dust, moisture, and other external elements, ensuring a long operational life in various applications such as HVAC systems, transformer cooling, and industrial ventilation.


Flexible Airflow Direction

The fan can be installed in both horizontal and vertical configurations to meet specific airflow requirements. This flexibility makes it suitable for various installations, from industrial ventilation systems to transformer cooling setups, ensuring effective air circulation and optimal cooling performance.


These features combine to provide a powerful, efficient, and reliable solution for a variety of industrial and commercial cooling needs. Whether you're optimizing HVAC systems or maintaining critical infrastructure like transformers, this EC axial fan offers high efficiency and excellent performance.


Why induction motor + inverter will cannot compete with EC Motor


Fan Application 

1800 rpm

2400 rpm

3000 rpm

Note

System Efficiency

IE3+drive

68.7

78.1

81.5

IE3 T3A 90L-2

T90ECI

77.4

82.6

84.9

T90ECI07

Saving %

12.80%

5.80%


               

4.10%


Work time %

25%

25%

50%

Fan running %

Input power

0.475

1.125

2.5

kw

Energy saving per hour

0.015

0.016

0.052

kwh

0.083

kwh

Work hours

12

h

Energy saving per day

1

kwh

Money saving per day

0.5US Dollars

0.5 US Dollar per 1 kwh

Motor cost

IE3+drive

230US Dollars

More copper and steel in induction motor

T90ECI

225 US Dollars



Model: DW500-EC-4Z-35-F50


Speed

(rpm)

Voltage ±10%

(V)

*Air Flow ±5%

m³/h

Input Current

(A)

Input Power ±8%

(W)

*Sound Level ±4

LpA @lateral

300

400

1.500

0.09

30

40.8

600

400

3.151

0.20

85

51.7

800
           

400

4.700

0,27

115

59.4

1000
           

400

5.800

0.44

190

63.1

1200

400

7.000

0.62

310

67.0

1400
           

400

8.400

0.86

465

72,0

1600
           

400

9.500

1.20

690

77.7

1800

400

10.850

1.54

920

82.5


Note: the above model is for impeller dimensions at 500mm, we also can provide size at 630mm, 710mm, 800mm, and 910mm . The case length can be customized as per request



Premium Industrial Cooling Solution


Construction & Design:

  • Premium aluminum construction for motor housing and terminal box

  • Corrosion-resistant stainless steel fasteners

  • Compact short case design for space-efficient installation

  • Clear airflow direction and rotation indicators

  • Comprehensive rating plate with detailed performance metrics


Advanced EC Motor Technology:

  • Intelligent soft-start functionality with minimal inrush current

  • Energy-efficient operation with precise speed control

  • Professional wiring diagram included in terminal box

  • Optimized performance at various back pressure levels up to 10Pa

  • Enhanced power efficiency at maximum back pressure conditions


Superior Acoustic Performance:

  • Low noise operation verified through wind tunnel testing

  • Sound pressure measurements at 1m and 2m (ISO 13347 standard)

  • Acoustic performance data available for LwA and LpA levels

  • Advanced airfoil design for optimal noise reduction


Maintenance & Reliability:

  • Simple maintenance protocol including visual inspections

  • Regular current consumption monitoring

  • 2-year maintenance interval

  • Secure motor drain ply operation during fan running

  • Long service life with proper maintenance


Items

Function

Wire color

Note

1

Speed output

White

3 pulse per revolution

2

Run/Stop

Red

Start: Red +Yellow

3

DC 12V output

Yellow


4

DC 0-10V input

Blue

Speed control, VSP

5

COM

Black


6

CW/CCW

Brown

CW: Brown, CCW: Brown+Yellow

7

RS485 B

Gray

When RS485 connect On/Off will not

8

RS485 A

Green

work

Applications of Good Quality EC Axial Fan with Short Case


The Good Quality EC Axial Fan with Short Case is designed to deliver superior cooling performance in space-constrained environments where efficiency is crucial. With its advanced EC motor technology and compact structure, it provides consistent airflow for a wide range of industrial and commercial applications. Here’s how this fan can be effectively used across different industries.


Optimized Cooling for Industrial Equipment

The short case design of the EC axial fan is particularly suited for cooling industrial machinery where space is at a premium. It ensures reliable airflow to prevent overheating, which is essential for maintaining equipment efficiency and extending its lifespan. The high energy efficiency of the EC motor minimizes operational costs, making it a vital component for machinery cooling systems in industries like manufacturing, automation, and heavy equipment.


Efficient HVAC Integration

In HVAC systems, the EC motor-driven fan is an energy-efficient solution for effective ventilation. Its compact size makes it easy to integrate into tight spaces, ideal for residential, commercial, and industrial HVAC applications. The fan’s low-noise operation ensures a comfortable indoor environment without sacrificing cooling performance. This makes it a preferred choice for efficient HVAC systems in commercial buildings and office spaces.


Perfect Cooling Solution for Data Centers

Data centers rely heavily on cooling systems to maintain optimal operating conditions for sensitive IT equipment. The Good Quality EC Axial Fan with Short Case excels in this area, providing high airflow to ensure servers and networking gear stay cool and function optimally. Its energy-efficient EC motor minimizes power usage while maintaining robust cooling capabilities, making it a smart choice for data center infrastructure.


Transformer Cooling Applications

Efficient cooling is essential for transformers, where overheating can lead to failures or decreased performance. This EC axial fan ensures that transformers maintain an optimal temperature, enhancing their efficiency and longevity. With its compact design, the fan can be installed in tight spaces around transformers, providing reliable ventilation and improving overall system reliability.


Versatile Design for Space-Saving Installations

The short case EC axial fan is designed to fit in areas with limited space. Its compact size allows it to be installed in a variety of configurations, such as ceilings, ducts, or walls, without compromising on cooling efficiency. Whether used in industrial machines or HVAC systems, the fan’s space-saving design provides flexible and effective solutions in confined environments.


Low Maintenance and Long-Term Durability

This fan is built for durability and minimal maintenance. The energy-efficient EC motor and high-quality construction ensure reliable performance over time, reducing the need for frequent servicing and lowering long-term operational costs. With its robust design, it delivers consistent, trouble-free performance, making it ideal for industrial settings that require dependable, low-maintenance solutions.


In conclusion, the Good Quality EC Axial Fan with Short Case is a versatile, energy-efficient solution for cooling applications in industrial machinery, HVAC systems, data centers, and transformer cooling. Its compact design, low-maintenance features, and high efficiency make it a preferred choice for various industries looking for space-saving and cost-effective cooling solutions.

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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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