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SF series axial flow fan
SF series axial flow fan
SF series axial flow fan
SF series axial flow fan

SF series axial flow fan

Product performance parameters

Model (A) (B) (C) (D) (G) (F) (E) (L) (M) (K) (Q) (P)
SF2.5-4 305 252 280 φ8.SX4 330 260 120 290 200 245 φ8.5X4 240
SF3-4 370 314 342 φ8.SX4 405 315 140 335 220 265 φ8.5X4 290
SF4-4 470 410 435 φ8.5x6 510 416 200 450 285 355 φ11X4 390
SF5-4 570 520 540 φ8.5x6 620 460 205 495 300 375 φ11X4 490
SF6-4 678 615 648 φ8.5x6 730 590 285 630 390 490 φ11X4 590
SF7-4 775 710 740 φ8.5x6 800 690 288 725 390 475 φ11X4 690
Note: The pipe has no feet, other installation dimensions are the same as

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SF series axial flow fan——Product introduction

  • The blades are forward-swept three-dimensional twisted wide blades with low noise, large air volume, high efficiency, and stable wind pressure. The surface of the casing and impeller adopts advanced assembly line electrostatic spray painting technology, and the color is soft, bright, and long-lasting.
  • Suitable for ventilation in industrial and mining enterprises, civil buildings, warehouses, workshops, entertainment venues, roofs, etc.
  • SF series axial flow fans are divided into three types according to usage requirements: duct type, fixed type, and post type. There are 6 machine numbers according to the diameter of the impeller, which are 2.5/3/4/5/6/7. According to the equipped motor, it is divided into single-phase and three-phase. See the performance references below.

Model and machine number Rated voltage(V) Rated speed (r/min) Air volume (m3/h) Full pressure(Pa) Equipped with motor (W) Noise(dB) Weight (kg)
SF2.5-4 380 1420 1350 41 90 55 8
SF2.5-4R 220 1400 1360 41 90 55 9
SF3-4 380 1420 2000 59 120 61 12
SF3-4R 220 1400 2000 59 120 61 12
SF4-4 380 1430 5870 149 370 72 24
SF4-4R 220 1410 5870 149 370 72 24
SF5-4 380 1430 10000 170 750 74 33
SF5-4R 220 1410 10000 170 750 74 33
SF6-4 380 1490 18700 300 1500 80 65
SF6-6 380 960 14500 170 1100 75 60
SF7-4 380 1450 24250 350 2200 85 78
SF7-6 380 960 21500 210 1500 78 78
Product structure diagram

Parameter information

Implement international and domestic standards such as IEC60034 and GB755
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Typical application

Widely used in various transmission machinery industries such as water pumps, fans, textile machinery, construction machinery, etc.

Machinery and equipment industry
Central air conditioning industry
Agricultural and animal husbandry fan industry
Elevator and escalator industry
Reducer industry
Lifting equipment industry
Air compressor industry

Case reference

  • Solutions for the machinery and equipment industry

    ● Customized motor design and manufacturing to meet the power needs of different mechanical equipment.
    ● High-quality and reliable motor products comply with international standards and industry requirements to ensure stable operation of equipment.
    ● Provide customized blower and fan solutions to meet the ventilation and heat dissipation needs of equipment.
    ● Professional pre-sales and after-sales technical support ensures smooth progress in equipment selection, installation and maintenance.

  • Reducer industry solutions

    ● Design and manufacture various types of reducers, including orthogonal reducers, helical gear reducers, planetary gear reducers, etc., to meet the power transmission needs of different industrial applications.
    ● Provide high-efficiency, low-noise and reliable reducer products to help customers improve production efficiency and quality.
    ● Custom designed and manufactured reducers to suit customer-specific application requirements.
    ● Provide professional technical support and after-sales service to ensure the normal operation and maintenance of the reducer.

  • Elevator and escalator industry solutions

    ● Develop and manufacture special motors for elevators to meet the operation needs of elevator systems, such as elevator drives, door machine drives, etc.
    ● Provide efficient, safe and reliable elevator motor products that comply with relevant safety standards and industry requirements.
    ● Customized design and manufacture of elevator-specific fans to ensure ventilation and heat dissipation of the elevator system.
    ● Provide technical support and after-sales service for the elevator and escalator industry to ensure the normal operation and maintenance of equipment.

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