Industrial Centrifugal Fan – (Cf – 11 Series)
Some machines are loud about what they do. The CF‑11 Series Industrial Centrifugal Fan isn’t one of them. It just gets to work — steady, quiet, and utterly dependable.
Built from thick steel and fitted with a perfectly balanced impeller, it doesn’t rattle, hum, or complain; it just keeps air moving wherever it’s needed. Whether the job is pushing air through a long duct, clearing fumes from a work area, or keeping machines cool, the CF‑11 handles it with quiet confidence.
We designed it to last. The corrosion‑resistant finish shrugs off moisture and dust, and the fan runs smoothly year after year with barely a hiccup. Maintenance is simple — because no one on a job site has time to wrestle with complicated equipment.
There are different models to pick from—each one tuned for the pressure, space, and airflow your setup calls for. Big or small, clean factory or gritty warehouse, the CF‑11 has likely been there, spinning in the background, doing its job without demanding attention.
The kind of reliability that lets you forget it’s even running — that’s the quiet power of the CF‑11 Series.
Dimensions (unit: mm):

| Model | D1 | D2 | D3 | n - d1 | A1 | A2 | A3 | B2 | B3 | n - d1 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1.5 A | 153 | 178 | 194 | 8 - Φ6.5 | 97 | 122 | 147 | 95 | 119 | 144 |
| 2A | 174 | 202 | 222 | 8 - Φ8.5 | 163 | 199 | 215 | 132 | 165 | 180 |
| 2.5A - 2 | 174 | 202 | 222 | 8 - Φ8.5 | 163 | 199 | 215 | 132 | 165 | 180 |
| 2.5A - 4 | 213 | 238 | 260 | 8 - Φ8.5 | 163 | 199 | 215 | 132 | 165 | 180 |
| 3A | 264 | 292 | 315 | 8 - Φ8.5 | 215 | 253 | 277 | 132 | 212 | 235 |
| 3.5A | 332 | 367 | 395 | 8 - Φ8.5 | 255 | 300 | 329 | 155 | 290 | 319 |
| 4A | 332 | 366 | 395 | 8 - Φ8.5 | 270 | 300 | 329 | 155 | 290 | 319 |
| Model | Overall Dimensions | Basic Dimensions | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| E | G | K | M | N | L | p1 | q1 | p2 | q2 | n-d1 | |
| 1.5 A | 12 - Φ9 | 76 | 307 | 106 | 321 | 216 | 340 | 110 | 242 | 152 | 4 - Φ13 |
| 2A | 12 - Φ9 | 101 | 406 | 128 | 406 | 257 | 410 | 465 | 310 | 190 | 4 - Φ13 |
| 2.5A - 2 | 12 - Φ9 | 101 | 479 | 169 | 468 | 300 | 460 | 469 | 330 | 208 | 4 - Φ13 |
| 2.5A - 4 | 12 - Φ9 | 101 | 479 | 169 | 465l | 296 | 410 | 254 | 312 | 196 | 4 - Φ13 |
| 3A | 12 - Φ9 | 1111 | 577 | 195 | 565 | 364 | 190 | 271 | 330 | 238 | 4 - Φ13 |
| 3.5A | 12 - Φ9 | 113 | 669 | 225 | 645 | 400 | 540 | 312 | 370 | 266 | 4 - Φ3 |
| 4A | 12 - Φ9 | 113 | 746 | 269 | 740 | 458 | 590 | 341 | 400 | 298 | 4 - Φ13 |
performance:
| Model And Power | Voltage | Speed | Airflow | Total Pressure | Size |
|---|---|---|---|---|---|
| (KW) | (v) | (r/min) | (m³/h) | (Pa) | (mm) |
| CF-11-1.5A-4-0.18kW | 220-380 | 1450 | 500-600 | 260-210 | ≤52 |
| CF-11-1.5A-2-0.37kW | 220-380 | 2900 | 830-1080 | 790-748 | ≤55 |
| CF-11-2A-4-0.37kW | 220-380 | 1450 | 900-1100 | 350-300 | ≤55 |
| CF-11-2A-2-1.1kW | 220-380 | 2900 | 1900-2500 | 1200-959 | ≤65 |
| CF-11-2.5A-4-0.75kW | 220-380 | 1450 | 2000-2800 | 530-450 | ≤62 |
| CF-11-2.5A-2-2.2kW | 220-380 | 2900 | 4200-5600 | 1678-1118 | ≤72 |
| CF-11-3A-4-1.5kW | 220-380 | 1450 | 3500-4000 | 800-715 | ≤65 |
| CF-11-3.2A-4-2.2kW | 220-380 | 1450 | 4500-5800 | 1199-998 | ≤65 |
| CF-11-3.5A-4-2.2kW | 220-380 | 1450 | 5100-6200 | 1199-998 | ≤65 |
| CF-11-3.5A-4-3kW | 220-380 | 1450 | 5800-6650 | 1210-1098 | ≤69 |
| CF-11-4A-6-1.1KW | 380 | 960 | 2500-4200 | 600-520 | ≤68 |
| CF-11-4A-4-4KW | 380 | 1450 | 8920-11200 | 1305-1040 | ≤73 |
| CF-11-4.5A-6-3kW | 380 | 960 | 4500-6500 | 764-630 | ≤70 |
- Global shipping: Free Shipping, Delivered within 7–15 days
- International Returns: Return by mail within 30 days
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