The YWL series external rotor multi-wing centrifugal fan is a new-type centrifugal fan developed by our company by incorporating advanced technologies at home and abroad. All fans are produced via modular manufacturing, subjected to static and dynamic balance correction, and treated with high-grade electrostatic spraying on the surface. They feature small size, large air volume, high efficiency, minimal vibration, low noise, and easy installation and debugging. The gases transported by this series of fans shall not contain viscous substances, and must be non-corrosive, non-flammable, and non-explosive.
The YWL series external rotor multi-wing centrifugal fan is a new-type centrifugal fan developed by our company by incorporating advanced technologies at home and abroad. All fans are produced via modular manufacturing, subjected to static and dynamic balance correction, and treated with high-grade electrostatic spraying on the surface. They feature small size, large air volume, high efficiency, minimal vibration, low noise, and easy installation and debugging. The gases transported by this series of fans shall not contain viscous substances, and must be non-corrosive, non-flammable, and non-explosive.
According to the motor operating conditions, the fans must be used under the conditions of ambient temperature ranging from -40°C to +60°C, relative humidity not exceeding 90%, and altitude not exceeding 1,000m.
This series of fans is widely used for ventilation in civil and industrial buildings, laboratories, and environments with strict noise requirements, as well as in air conditioning, purification, refrigeration industries, etc.
| Core Technical Parameters | |||||||
| Model | Voltage (V) |
Frequency (Hz) |
Power (W) |
Rotation speed (r/min) |
Air flow (m³/h) |
Static pressure (Pa) |
Noise Level
dB(A) |
| YWL-200 | 220/380 | 50 | 330 | 1360 | 1500 | 350 | 62 |
| YWL-250 | 220/380 | 50 | 580 | 1360 | 2300 | 460 | 65 |
| YWL-280 | 220/380 | 50 | 950 | 1380 | 2800 | 490 | 67 |
| YWL-300 | 220/380 | 50 | 850 | 1380 | 2600 | 480 | 66 |
| YWL-300 | 220/380 | 50 | 1250 | 1380 | 3400 | 500 | 70 |
| YWL-300G | 220/380 | 50 | 1500 | 1400 | 4500 | 500 | 71 |
| YWL-300T | 220/380 | 50 | 1800 | 1400 | 5800 | 520 | 72 |
| YWL-320 | 220/380 | 50 | 2200 | 1380 | 6500 | 550 | 73 |
| YWL-350 | 220/380 | 50 | 2500 | 1380 | 7000 | 580 | 74 |
| YWL-350 | 220/380 | 50 | 3000 | 1380 | 8000 | 580 | 74 |
| YWL-11-62-300 | 220/380 | 50 | 2200 | 1380 | 6800 | 520 | 73 |
| YWL-11-62-320 | 220/380 | 50 | 2500 | 1380 | 8000 | 600 | 74 |
| YWL-11-62-350 | 220/380 | 50 | 3000 | 1380 | 9000 | 620 | 75 |
| Model | Outlet flange size
(mm) |
Inlet flange dimensions
(mm) |
Outline size
(mm) |
|||||||||||
| A | A1 | B | B1 | ΦD | Φd | C | E | L | H | L2 | H2 | L3 | H3 | |
| YWL-200 | 188 | 135 | 215 | 160 | 230 | 180 | 140 | 265 | 345 | 405 | 400 | 375 | 345 | 425 |
| YWL-250 | 190 | 130 | 260 | 200 | 280 | 220 | 135 | 270 | 425 | 465 | 445 | 440 | 425 | 475 |
| YWL-280 | 225 | 160 | 265 | 205 | 295 | 240 | 160 | 290 | 440 | 565 | 520 | 490 | 440 | 535 |
| YWL-300 | 192 | 130 | 285 | 220 | 315 | 260 | 130 | 268 | 480 | 595 | 565 | 512 | 480 | 570 |
| YWL-300G | 222 | 160 | 285 | 220 | 315 | 260 | 160 | 298 | 480 | 595 | 565 | 512 | 480 | 570 |
| YWL-300T | 262 | 200 | 285 | 220 | 315 | 260 | 200 | 338 | 480 | 595 | 565 | 512 | 480 | 570 |
| YWL-320 | 270 | 205 | 305 | 235 | 340 | 275 | 210 | 350 | 500 | 620 | 590 | 535 | 500 | 600 |
| YWL-350 | 275 | 210 | 315 | 255 | 365 | 305 | 215 | 350 | 540 | 670 | 630 | 582 | 540 | 645 |
| YWL-11-62-300 | 322 | 260 | 285 | 220 | 315 | 260 | 260 | 398 | 480 | 595 | 565 | 512 | 480 | 570 |
| YWL-11-62-320 | 320 | 255 | 355 | 285 | 340 | 275 | 210 | 400 | 500 | 620 | 590 | 535 | 500 | 600 |
| YWL-11-62-350 | 325 | 260 | 315 | 255 | 365 | 305 | 265 | 400 | 540 | 670 | 630 | 582 | 540 | 645 |
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