LTWD series duct fan with external rotor motor adopts square inlet and outlet flange. Its shape is similar to a section of air duct. It can be directly installed in the ventilation duct without ground installation foundation. It is very convenient to install, operate and maintain.
8.9~17.7 inches (225mm~450mm)
Standard Performance Range
Airflow: min 297.5 CFM ～max 36,30CFM ( 500 m3/h～6,100 m3/h, 17,657.33 ft³/h~215,419.52 ft³/h)
Static pressure: 0.64~3.61 inches w.g. (160～900 pa)
(Beyond this range, please choose other series of our fan products, or contact our technical department for customization.)
It is widely used in hotels, hospitals, gymnasiums, libraries and other places with low noise requirements, as well as in civil buildings, electronics, medicine and other industries, factories and mining enterprises. Specific application of fans needed is selected according to space limitations and mounting capabilities. Such as in electronic working room, exhaust fans are used to discharge harmful gas while supply fans are used to provide fresh air for continuous working.
The fan is duct shaped, installed in the ventilation duct, easy to do maintenance.
It needn’t ground foundation for fans’ installation. Can be coaxial with the air duct, available to be lifted, floor mounted or vertical mounted.
Model Definition Difference from LTW Series
Such as LTWD250M–4 is duct fan with external rotor motor, blade diameter 250mm with medium width, motor poles 4.
Available for mobile use with battery group or other mobile power supply;
About Power Supply & Speed Mode
Power supplies single-phase, three-phase, DC power supply, voltage and frequency customized;
Speed modes of single-speed, double-speed, three-speed and stepless speed regulation available.
How to Select Configuration ?
We have software to help users select configuration. Please contact for technical support.
Link to Videos
About Installation of base, rotor, wheel; Performance on field.