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  •  [Shandong,China]
  • Business Type:Manufacturer , Trade Company
  • Exporter:1% - 10%
  • Certs:ISO9001, CCC



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Home > Products > Duct Fans > LKWG Duct Fans with External Rotor motor
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LKWG Duct Fans with External Rotor motor

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Unit Price: USD 300 - 530 / Piece/Pieces
Min.Order Unit Price
1 Piece/Pieces USD 300 / Piece/Pieces
1 Piece/Pieces USD 530 / Piece/Pieces
Payment Type: L/C,T/T
Terms of Trade: FOB
Min. Order: 1
Delivery Time: 30
Basic Info
Model No.:LKWG
Material: Metal
Blade Material: Stainless Steel
Type: Centrifugal Fan
Electric Current Type: AC
Mounting: Duct Fan
Certification: CCC, SGS, ISO
Additional Info
Transportation: Ocean,Land,Air
Place of Origin: CHINA
Certificate: IOS 9001 / CCC
Port: Qingdao
Product Description


LKWG series duct fan with external rotor motor is a special fan for air conditioning system developed by our company. Its shape is similar to a section of air duct. It adopts square inlet and outlet flange. It can be directly installed in the ventilation duct without ground installation foundation. It is very convenient to install, operate and maintain.

The fluid model of this series of fans has been optimized by CFD advanced technology, which not only increases the output pressure, but also reduces the noise and improves the efficiency. It has the characteristics of energy saving and low noise. It is especially suitable for supporting various air conditioning, refrigeration, purification, fresh air units and other products, and has been widely used in hotels, schools, hospitals, factories, refrigerators, cinemas, buildings and other fields.

LKWG series of fans has the following remarkable advantages:

1. Duct shape is adopted, which is compact in structure, small in size, light in weight and easy to install;

2. The forward multi wing impeller with high pressure, low noise, high efficiency and low noise is adopted;

3. Our self-developed matching motors have better reliability and service life than ordinary motors after with optimization of power;

Model Definition
Part 1: Model Code
No. 1 L: Centrifugal Fan;
No.2 K: air conditioning fan; W
No. 3 P: belt driven; external rotor motor drive; Z: shaft drive;
No. 4 None: single-case, double inlet; D: single-case, single-inlet; S: double-case, double-inlet; W: single-inlet without case;
Part 2: blade diameter code, unit is mm;
Part 3: case width code, up to 2 bits
SS: tiny width; S: small width; M: medium width; L: large width;
Part 4: motor pole

Part 5: code for different motors

None: non-single-phase motor; C: single-phase single-speed motor; C2: single-phase two-speed motor; C3: single-phase three-speed motor; EC: brushless DC motor

Part 6: code for motor installation method

None: B3 motor, belt-drive rear installation or shaft drive horizontal installation

L: B5 motor, shaft-drive vertical installation

X: B3 motor, belt-drive underneath installation

D: B3 motor, belt-drive top installation

E: B3 motor, belt-drive side installation
Such as LKWG250M4 is duct fan with external rotor motor, blade diameter 250mm with medium width, motor poles 4.

Technical Parameter & Drawing

Work Environment

1) Altitude not more than 1000 meters;

2) The ambient temperature is not lower than - 25 , not higher than 40 ;

3) The relative humidity of the environment shall not exceed 90%;

4) The conveying gas does not contain acid, alkaline and corrosive medium, and the dust content is not more than 150mg / m3.

When the working environment does not meet the above requirements, it needs to be explained when ordering. We can customize the product according to the specific site conditions.

Performance Range

Flow: 5006100 m3/h

Total pressure:160900 pa

Beyond this range, please choose other series of our fan products, or contact our technical department for customization.

Matters Needing Attention

1. Before use, please check carefully:

(1) Whether the motor is intact;

(2) Whether the connecting bolts are loose;

(3) Whether there is serious deformation of fan volute, impeller, fan shaft and other components;

(4) Rotate the fan impeller by hand, the hand induction rotation is stable, without obvious stuck phenomenon.

2. Installation

(1) The fan shall be equipped with phase loss and overload protection devices;

3. Start up and Operation

(1) Before starting the fan, check the working power supply, which must be within ± 5% of the rated voltage and ± 1% of the rated frequency;

(2) The rotation direction of the fan impeller shall be the same as that of the turning mark;

(3) The operating current of the fan shall not exceed the defined current, otherwise the motor will be damaged or burnt;

(4) When the fan is running, it is strictly prohibited to extend the body or foreign matters to the inside of the fan, and it is strictly prohibited to approach the belt and pulley to avoid danger;

(5) Before starting the single-phase fan, close the air valve of the outlet channel, otherwise it may be difficult to start;

Looking for ideal DUCT FAN SERIES Manufacturer & supplier ? We have a wide selection at great prices to help you get creative. All the FAN WITH EXTERNAL ROTOR MOTOR are quality guaranteed. We are China Origin Factory of DUCT FAN SERIES. If you have any question, please feel free to contact us.

Product Categories : Duct Fans

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