Description
Products Description
Model
|
Voltage
(V)
|
Frequency
(Hz)
|
Maximum Flow Value
(CFM)
|
Working Power
(W)
|
Speed
(RPM)
|
Noise
[dB(A)]
|
250(10”)-01
|
110-120
|
60
|
1219
|
228
|
3000
|
69
|
250(10”)-02
|
220-240
|
50
|
1900
|
162
|
2750
|
68
|
300(12”)-01
|
110-120
|
60
|
1900
|
41
|
3450
|
78
|
300(12”)02
|
220-240
|
50
|
3150
|
41
|
2900
|
72
|

Go Further with LONGWELL
Inline Duct Fans |High quality Motor| 0-10V/PWM| High Air FLOW | Highly customizable
Air Duct : 4 inch – 8inch
Bearings: NMB or NSK ball bearings for Duct FANS
Voltages: LONGWELL Duct fans are workable in 110V- 240 VAC
Speed Control System : 0-10V / PWM (DC/EC Motor) or 1-2-3 Speeds(AC Motor)

Low noise level&energy-saving
Hybrid flow design that focuses fan airflow and cuts turbulentkinetic energy down to 30 dB; Ec motor controlled by PWMfor more energy efficiency

PWM Controlled EC- Motor
The speed controller allows the inline duct fans to run at different speedsusing this speed controller you can adjust it to the desired airflow level according to your requirements

4 Inch Inline duct fan with Digital controller
Voltage:AC110V – 240V , 35W, 385 m³/h, 28dBA, Air Duct Diameter:98mm
Out-side speed control box with temperature & humidity function Speed control/Timer/Alarm Function

6 Inch Inline duct fan with Digital controller
Voltage:AC110V – 240V , 70W, 705m³/h, 34dBA, Air Duct Diameter:147mm
Out-side Speed control box with temperature & humidity function Speed control/Timer/Alarm Function

8 Inch Inline duct fan with Digital controller
Voltage:AC110V – 240V , 180W, 1453m³/h, 51dBA, Air Duct Diameter:196mm Out-side
Speed control box with temperature & humidity function Speed control/Timer/Alarm Function




Grow Tent / Building ventilation system/Primary air system/ Bathroom ventilation/Kitchen ventilation/Air conditioning vent
NOTES:
The price attached to the above products is only the reference price or the price reference under the standard parameter configuration, please contact our sales engineer for the specific price, to provide you with the most accurate quotation and discount

The Professional’s Choice for LONGWELL Inline Duct Fans
High quality Motor| 0-10V/PWM| High Air FLOW | Highly customizable

Ningbo Longwell Electric Technology CO.,LTD
High Quality Air & Smart Fans
Centrifugal fans & Blowers, Cross flow fans,Axial fans ,duct fans ,motos,etc

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.