140mm EC Forward Curved Fan and EC Forward Centrifugal Fan Manufacturers Supply Energy Saving Ventilation Fans for HVAC Systems

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EC Forward Centrifugal Fan delivers energy-efficient airflow

* Energy-efficient EC Forward Centrifugal Fans provide intelligent, variable airflow with superior static pressure for optimal HVAC system performance; * Commercial Buildings | Data Centers | Industrial Applications | Public Facilities; * Power(W):70-230w,Voltage(V):230V,Frequency(Hz):50/60Hz; * Current(A):0.58-1.65A Speed(RPM):1800-3340RPM Air Flow(m³/h):330-803m³/h; * Material:Galvanised sheet steel Type of Protection:IP55 Operation Temperature:-30℃~+60℃;

LWFE3G108-072NS-01

LWFE3G120-072NS-01

LWFE3G133-072NS-01

LWFE3G140-072NS-01

Voltage

230V

Frequency

50/60Hz

Power

82w

90w

85w

70w

Current

0.65W

0.67W

0.67A

0.58A

Speed

3340RPM

3230RPM

2290RPM

1910RPM

Air Flow

330m³/h

350m³/h

433m³/h

484m³/h

Air Pressure

330Pa

412Pa

288Pa

216Pa

Noise

57dB(A)

67dB(A)

63dB(A)

72dB(A)

LWFE3G140-072NS-02

LWFE3G160-072NS-01

LWFE3G160-072NS-02

LWFE3G160-092NS-03

Voltage

230V

Frequency

50/60Hz

Power

85w

70w

115w

Current

0.85A

1.1A

1.65A

Speed

2060RPM

1800RPM

3050RPM

3300RPM

Air Flow

494m³/h

639m³/h

649m³/h

803m³/h

Air Pressure

845Pa

906Pa

989Pa

927Pa

Noise

74dB(A)

64dB(A)

68dB(A)

75dB(A)

Specification


About this item – EC Forward Centrifugal Fan:

The EC Forward Centrifugal Fan is an energy-efficient and intelligent ventilation solution that combines advanced EC motor technology with an optimized design to deliver superior airflow while significantly reducing energy consumption and operational noise for HVAC and industrial applications.

Superior Energy Savings: Its EC motor technology delivers unmatched efficiency, reducing energy consumption by up to 40% and significantly lowering operating costs.

Precise & Intelligent Control: Integrated smart controls offer seamless variable speed adjustment and effortless integration with building management systems for optimized performance.
Unmatched Reliability: The robust, direct-drive EC motor design eliminates unnecessary moving parts, drastically reducing maintenance needs and enhancing long-term operational reliability.
Exceptional Airflow Performance: The aerodynamically optimized forward-curved centrifugal impeller generates high-pressure,efficient airflow ideal for complex ducted systems.
Future-Proof Sustainability: With inherently high efficiency and compliance with global ErP directives, this fan prepares your operation for evolving environmental regulations.

Recommend Products


What drives us?

Our product range includes:
1. EC/DC/AC Centrifugal Fans: We design and manufacture high-efficiency, low-energy consumption EC/DC/AC centrifugal fans widely used in industrial manufacturing, commercial buildings, medical facilities, and more. These fans utilize advanced electronically commutated (EC) motor technology to achieve precise airflow control and energy optimization, providing customers with high-quality air movement solutions.

2. EC/DC/AC Axial Fans: We provide high-performance, high-efficiency EC/DC/AC axial fans for ventilation, air conditioning, and refrigeration applications. These fans offer excellent airflow capacity and energy optimization, creating comfortable and healthy indoor environments.

3. Industrial Ventilation Fans: We offer a wide range of ventilation solutions for industrial applications, including exhaust fans, supply fans, and environmental control fans. These fans feature high efficiency, reliability, and durability, meeting the requirements of various industrial applications.

4. Commercial Building Fans: Our commercial building fans are suitable for office buildings, shopping malls, hotels, sports arenas, and other venues. These fans are characterized by low noise, high efficiency, and controllability, providing good indoor air quality and a comfortable environment.

5. Agricultural Fans: We provide professional fan solutions for agricultural production, including greenhouse ventilation fans,poultry and livestock ventilation fans, and agricultural irrigation fans. These fans effectively enhance crop growth conditions and animal comfort, contributing to increased productivity and efficiency in agriculture.

Why choose us ?

* High-end, Highly Customized
* High Performance,High-Efficiency Motor
* High Cost-Performance Ratio
* Global Leader in Fan & Motor Manufacturing
* OEM/ODM Global Fan Supplier
* Manufacturer and Provider of High-quality Ventilation Fans and HVACR Complete Machine Technology Solutions

FAQ


FAQ

Q1: Whats your advantages of your centrifugal fans?
1,high efficiency

2,long life span
3,easy installation
Q2: Are you a manufacturer or trading company?
Yes, we are manufacturers
Q3: whats your production capacity?
We are capable to produce over millions pcs fans and motors annually.
Q4: whats your main machines and capacity?
For the motors: We have owned CNC machines 18 units &4 auto-robots.
capacity :500k pcs annually.
winding machine 20 units,capacity 500kpcs annually
magnetization machine 6 : capacity 500kpcs annually
Balance machine 22 units :500k pcs annually boring
mill: 2 units high temp failure detection :3 chambers500k pcs annually
For the fan:
Injection machine : 12 units, capacity:2millions pcs annually
Welding machine:10units
Balance machines: 14 units
Q5: what your advantages of technologies in fans and motors?
we makes very quiet noise , and good air performances of fans . We are capable to do fans and motors matching and make them optimized to achieve best air performances and lowest noise with CFD simulation.
Q6: whats your quality and certificates?
For us, quality issues are more important than ever before we always focus on quality thing. 100% inspection before delivery makes almost zero complains. MTTF is less 500/million. LONGWELL products can pass CE,ETL UL certificates.
Q7: Where is our main market?
North America,Europe . some of longwell customers are the top 1 in their application.

mounting

other

Power source type

other

Noise Level

57-75dB(A)

Voltage

230 V

Material

Galvanised sheet steel

speed

1800-3340RPM

Blade Material

Galvanised sheet steel

customized support

OEM, ODM, OBM

warranty

1 Year

After-sales Service Provided

Online support

Duct Diameter

4.25-6.3in

model number

LWFE3G140-072NS-01

Selling Units

Single item

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140mm EC Forward Curved Fan and EC Forward Centrifugal Fan Manufacturers Supply Energy Saving Ventilation Fans for HVAC Systems140mm EC Forward Curved Fan and EC Forward Centrifugal Fan Manufacturers Supply Energy Saving Ventilation Fans for HVAC Systems
$35.96
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