SWSI Backward-curved Single Inlet Centrifugal Fan

Short Description:

Product Detail

Product Tags

Quick Details
Centrifugal Fan
Electric Current Type:
Blade Material:
cold-rolled sheet
Place of Origin:
Zhejiang, China
Brand Name:
Model Number:
Air Volume:
1000-120000 M^3/h
CCC, ce, ISO 9000
After-sales Service Provided:
Engineers available to service machinery overseas
Impeller Diameter:
Total pressure range:
Sound Range:
Drive Type:
Belt drive
250, 280, 315, 355, 400, 450, 500, 560, 630, 710, 800, 900, 1000
Ideal subsidiary equipment for various subsidiary conditioning units
Total pressure efficiency:
Air Volume Range:
High efficiency, good strength, good aerodynamic characteristics
Surface treatment:
Spraying plastics


Product Description

 LKQS series of backward-curved single layer plate centrifugal fans are newly developed products which adopt backward plate blades, with good aerodynamic characteristics, high efficiency, good strength, low noise.

The air volume range can reach 1000-120000m³/h, greatly improving the efficiency.




Impeller Diameter 180-1400mm
Air Volume Range 1000-120000m3/h
Total Pressure Range 100-3000pa
Total Pressure Efficiency 64-80%
Sound Range 80-110dB(A)
Drive Type Belt drive
MODEL 250, 280, 315, 355, 400, 450, 500, 560, 630, 710, 800, 900, 1000, 1120, 1250, 1400



Subsidiary equipment for various subsidiary conditioning units, heating, air-conditioning, cleansing and ventilating equipments











1. Product Features  



2. Construction of  Centrifugal Fan

(1). Scroll (made of hot galvanizing steel sheet)

(2). Impeller (made of high grade cold-rolled steel sheet)

(3). Frame ( made of angle sections steel)

(4). Bearings (High quality with low noise ventilator)

(5). Shaft (made of 40Cr or C45 carbon steel bars)

(6). Outlet Flange( made of galvanized steel sheet)



 3. V-belt drive installation




4. Belt tenstion



5. Instructions







Packaging & Shipping










Company Information


Zhejiang Lion King Ventilator Co., Ltd., a professional manufacturer of various axial fans, centrifugal fans, air-conditioning fans, engineering fans, mainly consists of Research and Development Department, Production Department, Sales Department, Testing Center, and Customer Service.
It is located in Taizhou City, Zhejiang Province, which is near to Shanghai and Ningbo with very convenient transportation system. The company has CNC lathes, CNC machining centers, CNC punch press, CNC bending machine, CNC spinning lathes, hydraulic press, dynamic balancing machine and other equipment.
The company has perfect comprehensive Testing Center, which includes facilities for air volume test, noise test, torque force and tensile force test, high and low temperature test, overspeed test , life test etc.
Relying on its mold technology center and engineering technology center, the company has developed forward curved multi-blades centrifugal fan,backward centrifugal fan, voluteless fan, roof fan, axial flow fan, box-type fan series with more than 100 specifications of metal fans and low noise fans.
The company attaches great importance to quality management, and was awarded the ISO9001 international quality system certification very early. At present, the “LION KING” brand has enjoyed great popularity and well-deserved reputation. Meanwhile, the products are also exported to many countries, and honored with consistent high praise and recognition by domestic and foreign customers.
The company always insists the business philosophy of “Safety First, Quality First”, and are keeping to serve all customers based on “honesty, innovation, rapid response, and full services.




Our Services

  24-hours on line service with excellent sellers.







Ordering the fan

After selection of the fan best for your needs please order as follows:

1. Fan type and installation

2. Fan code and type

3. Quantity required

4. Duty required standard air and temperature, such air volume in (m³/h), static pressure or total pressure in (Pa)

5. Motor rated power(KW)

6. Electrical supply

7. Ancillaries required


If you interested in our products, pls contact with me directly.


Whatsapp or wechat: 0086-13738539157


Skype: blanche-lin

  • Previous:
  • Next:

  • Send your message to us:

    Write your message here and send it to us

    Send your message to us:

    Write your message here and send it to us