Type: EC Motorized Inline Duct Fans
Model no: 4 INCH 5inch 6 inch 8 inch 10inch 12inch
Material: Steel
Voltage: 110-240v, 220-240V, 50/60Hz. Mixed Flow Blade design.
Low noise with constant speed, over voltage protection, over-current protection, locked-rotor protection, soft start.
Main Features
● Easier Duct Connection Design with Detachable Bracket
● Blade Fire Proofing Grade UL94V-0
● Detachable 0%-100% Speed Control(potentiometer) Included /Concealed Switch (Optional)
● Double Heavy Duty NMB Ball Bearing
● Locked Rotor Protection [AUTO-RESTART]; Soft-Start Motor; Over-Voltage Lockout Protection
● Customized Feature: PWM/Control by 0-10v/Voltage output/Tacho Output
● Max. IP68 Water-proof Level Available
● Designed to quietly ventilate grow tents, exhaust odors, transfer heating/cooling to rooms, and cool AV closets.
● Mixed flow design combined with an EC-powered motor for a truly quiet and energy efficient performance.

Dimensions | 4 INCH | 6 INCH | 8 INCH | 10 INCH |
voltage | 110-240VAC | |||
Outlet Dia(mm) | 4inch/100mm | 6inch/150mm | 8inch/200mm | 10inch/250mm |
Power (W) | 18 | 40 | 75 | 150 |
Speed (RPM) | 5000 | 5000 | 3800 | 3200 |
Air Volume (CFM) | 160 | 350 | 710 | 1065 |
Air Pressure (Pa) | 334 | 500 | 520 | 510 |
Noise Level(dBA) | 0-56.8 | 0-60 | 0-61.6 | 0-65 |
Fan Casing | Aluminum | Steel | Steel | Steel |
IP Level | IPX4 | IPX4 | IPX4 | IPX4 |

Dimensions | 6 INCH | 8 INCH | 10 INCH | 12 INCH |
voltage | 110-120VAC/220-240VAC | |||
Outlet Dia | 6 inch/150mm | 8 inch/200mm | 10 inch/250mm | 12 inch/315mm |
Power | 40 | 75 | 150 | 320 |
Speed | 5000 | 3800 | 3200 | 3000 |
Air Volume | 350 | 710 | 1065 | 1757 |
Air Pressure | 500 | 520 | 510 | 677 |
Noise Level | 0-60 | 0-61.6 | 0-65 | 0-72 |
Fan Casing | Steel | Steel | Steel | Steel |
IP Level | IPX4 | IPX4 | IPX4 | IP65 |


Fan Applications & Installation
Longwell manufactures an extensive range of ventilation products, beginning with our industry-first EC mixed flow fan to a wide range of industrial fans. Our products are second to none in quality, reliability, and length of service life and can be installed in a variety of applications, especially popular in the following places.
Residential Garages/ Residential Bathrooms/ Residential Laundries/ Residential Kitchens
Commercial Kitchens/ Greenhouses/ Hydroponics/ Workshops/ Warehouses/ Public Restrooms
Indoor Swimming Pools




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 fans, AC/BLDC/ECM motors as well as industrial fan blowers, established in 1990, equipped with high advanced testing labs and production facilities including B&K noise lab, CFD simulation lab, air dynamics test chamber, automatic welding machines, CNC machining centers, auto robot injection machines which makes over millions fans capacity annually. With over than 28 years manufacturing experiences, LONGWELL is very skilled in designing, developing and manufacturing of fans and motors, and exporting to over 30 countries including many Fortune Global 500 customers in HVACR application. and products complied with certificates of CCC,CE, ETL and UL.

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