Description
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Types :
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high efficiency energy saving 180mm DC Forward Centrifugal Fan for Air Purification Systems
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Voltage Ranges :
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24/48/310V;
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Frequency :
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50/60 Hz
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Diamter :
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180mm ( impeller diameters )
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Motor Types :
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BLEC External Rotor Motor
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Speed Control :
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0-10V Signal / PWM / RS485(Optional)
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Max.ambient Temp:
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-25℃～ +60℃
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Certificating :
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All necessary certifications suitable for USA & Europe , ETL,UL ,CE ,RoHS, ISO19001,ISO 14001,BSCI
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Protection Level:
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IP44 ,IP54,IP55
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Electronic Protection:
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Current limiting protection ,Over-temperature protection,Over-current protection,Locked-rotor protection,Soft start
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Working & Storage
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Operating temperature：-25~60℃；Operating humidity：0 ~ 85 % RH
Storing temperature：-25 ~ 70℃；Storing humidity：0 ~ 95 % RH Applicable altitude range：＜1000m |
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Balancing
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According to JB/T 9101-1999 requirements G6.3
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Product Standards :
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LVD EN60950-1 EMC EN61000-6-3,EN61000-4-2, EN61000-4-3
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Mainly Applications
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AUH/ AIR PURIFIER / Server Cooling & Ventilation / Grow Tent /Ventilation SYSTEM/ Equipments Cooling /Refrigerator ,etc;ventilation fan cooling;ventilation exhaust fans
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Ningbo Longwell Electric Technology Co.,LTD
Trusted by Business Partner : GREE,BYD,Carrier,Midea,Systemair,LG,FRICO,Daikin,SIEMENS,YORK,etc
Go Further with LONGWELL
Centrifugal Fans |High quality Motor| 0-10V/PWM /RS485| High Air FLOW | Highly customizable
– High Pressure Customized Impeller design .(Patented impeller designed CFD (Computational Fluid Dynamics) ;
– OEM with your ventilation equipments perfectly ;
– Original manufacturer with professional engineer team to offer suitable fan & blower solutions ;
– Widely applications which the maximum air flow level can be up to 26000 m³/h( Air pressure be up to 3300Pa
Voltage Input : 110V/230V/380V/400V LONGWELL centrifugal fans are workable in 12V,/24V/48VDC,115/230/380Vac&EC
Speed Control System : 0-10V / PWM /RS485(DC/EC Motor) or 1-2-3 Speeds(AC Motor)
133,175,190,220,225mm ( Impeller Diameter )
Air Performance : 250 – 1600 m³/h ( 100- 1100 Pa)
Application : Air purifier , HRV,Fresh Air system,Air exchanger ,etc. with 0-10v/PWM/RS485 Modbus
250mm – 355mm Backward curved centrifugal fan & blower
Air Performance : 1000- 8000 m³/h (100 – 1800Pa)
Application :Air exchanger ,Ventilation Units, FFU,Clean Room ,etc .with 0-10v/PWM/RS485 Modbus
400mm- 630mm EC Motorized Centrifugal fan ( Backward Curved )
Air Performance : 3500 – 26000 m³/h ( 400 – 2200Pa)
Application : AHU(Air Handling Unit ),Clean Room,FFU(Fan Filter Unit) with PWM/RS485 Modbus
LONGWELL- Aprofessional Manufacturer of HVACr Ventilation fans & Blowers & Motors
Different Types of EC Fans：
EC fans come in various types, with bladeless EC fans being particularly popular due to their portability. These bladeless EC fans are compact and do not require installation on the ceiling, making them ideal for small electric fans.
How to Choose an EC Fan？
When choosing an EC fan, consider factors such as quality, blade design, and lighting features. For instance, green EC fans rangein size from 6 inches to 12 inches, catering to different needs. Therefore, select the fan type that best suits your specific requirements.Bladed EC fans also come in various sizes and styles. Whether you are buying EC fans for adults or children, you can find a wide selection of small and portable EC fans on Alibaba.com.
EC fans come in various types, with bladeless EC fans being particularly popular due to their portability. These bladeless EC fans are compact and do not require installation on the ceiling, making them ideal for small electric fans.
How to Choose an EC Fan？
When choosing an EC fan, consider factors such as quality, blade design, and lighting features. For instance, green EC fans rangein size from 6 inches to 12 inches, catering to different needs. Therefore, select the fan type that best suits your specific requirements.Bladed EC fans also come in various sizes and styles. Whether you are buying EC fans for adults or children, you can find a wide selection of small and portable EC fans on Alibaba.com.
EC Plug fans ( PLENUM centrifugal fans & blower )
80W-5500W POWER input ;
Air Performance : 3000 – 25000 m³/h Air flow ,up to 3300Pa ( Static AIR pressure )
O-10V/PWM & MODBUS RS485 Protocol
The Professional’s Choice for LONGWELL Cross Flow Fans
High quality Motor| 0-10V/PWM| High Air FLOW | Highly customizable
LONGWELL-Project & Customer Applicaiton
Heaating Convectors ,Heaters ,Fireplace, Floor heating system ,AIR-CURTAIN,Air conditioning ,Refrigerator,TRAIN_Ventilation system ,Medical machine,3d -printer,Greenhouse,etc
Air Purifier
AHU(Air Handling Units)
Data Center
Refrigeration
Clean Room (medical)
Train Ventilation
Commercial Ventilation Unit
Air-Condiitoning Unit
Greenhouse-Plant system
FAQs :
Q1.Why the Ec centrifugal fan is much efficiency than Ac centrifugal fan ?
– Longwell EC fans always operate in the correct direction ;
Operate on either 50Hz or 60Hz;
Operate on a wide voltage range(200-277Vsingle Phase&380-480 Vthree phase );
Operates much cooler-longer life ;
Less heat for a refrigeration system to handle (increased refrigeration COP),30 % average energy saving compared to AC technology ;
Q2. Does Longwell provide any speed control options for EC FANS ?
Yes , Longwell can provide some speed regulator solutions according customer’s reguirements such as .The RM-ECi controller is for use with the full range of ebm-papst EC fans. Powered by the 10VDC output fromthe motor, it provides infinitely variable, manual speed control between 0% and 100%Can control multiple fans running at the same speed
– Stepless control knob for infinitely variable speed setting
– Cable entries 4xM16 or M20
– 4mm mounting holes
Q3. how we connect fan unit to our application ,is there a wiring diagram ?
Please check the speed control of your application first ( is it PWM or 0-10V , LONGWELL’s all series of Centrifugal fans support 0-10V or PWM and RS485 internet Protocol )
for more details please contact us for professional engineer service
Q4. Life span of this kind of Centrifugal fans ?
Longwell EC external rotor motor surpasses efficiency class IE4, magnets with no rare earths, maintenance-free ball bearings (sealed) with long-term lubrication, theoretical nominal service life of at least 40,000 hours of operation, installation with horizontal and vertical motor shaft; soft start, integrated current limitation. Integrated electronics, quiet commutation logic; 100 % speed controllable; control signal 0-10 V DC / PWM; tach output.
Q5. Are there any other AC DC EC centrifugal fans options or solutions for selection ?
Yes ,sure .
LONGWELL is a professional manufacturer of fans, blowers , motors and components for heating ,venlation, air conditioner and refrigeration applications ,specialist in centrifugal fans, axial fans, AC /BLDC cross flow fans, single / double forward curved fan BLOWERS ,AC / BLDC/ECM motors as well as industrial fan blowers, inline duct fans , Poultry ventilation fans ( AC / DC /EC ) , etc. Please check below photos for reference :
Longwell as a known and trustworthy DC cross flow fan Supplier in China , we assure you the best product quality and service.
If you are looking for DC cross flow fans for your manufacturing applications or electronic devices, do go through the features and specifications of our various models of DC cross flow fans. In case you require any further information or have technical queries, you can contact us directly at :
Ningbo Longwell Electric Technology Co.,ltd @Version.2025
Contact us for more details and special discount for New customers only !!!
WHY LONGWELL ？
Centrifugal fans & blowers | Cross flow fans | Axial fans | Exhaust fans & Blowers | Motors | Air-conditioning impeller & blades| Accessories and Moulds
LONGWELL focuses on providing global customers with high-efficiency, controllable fan solutions and HVACR integrated technical solutions based on ventilation technology. Driven by technological innovation, Longwell continuously researches and develops advanced fan technology to offer customers high-performance and high-efficiency solutions. Our products cover civilian ventilation, wind power generation, industrial manufacturing, new energy, and agricultural production, earning the trust and praise of customers worldwide.
● Highly qualified : ISO9001, ISO14001, ISO45001, BSCI, CE, UL/ETL, FCC, CCC, Rohs, EMC, LVD, etc.
● OEM for well-known brands
● Supplies Fortune 500 Companies
● Global technical support (European office, North American office, Dubai office, etc.)
Trusted by top Brands
Longwell’s efforts make us advocates of sustainable development and leaders in the high-efficiency fan and motor industry.
Worldwide Marketing of LONGWELL
Exhibitions & Offices | AHR_USA ,MCE_Italy, CRH_China, ISH_China/German,HARFKO_Korea,etc
Over 15Years Ventilation fans & Motors Production Experience
Longwell’s expertise in fan manufacturing can be traced back to 1998. It is a leading fan manufacturer dedicated to providing global customers with efficient and controllable fan solutions. The company is committed to addressing global energy crisis and creating a healthier, more comfortable, and environmentally friendly living environment for people.
Longwell has a strong team of research and development professionals dedicated to studying innovative fan technologies. We adopt advanced EC (Electronically Commutated) motor drive technology to achieve high efficiency and precise airflow control. Through EC motor-driven fans, our customers can enjoy higher quality and more reliable airflow, achieving significant breakthroughs in energy utilization. We continuously promote the development of fan technology to meet the demand for high-tech and high-efficiency solutions.
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