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The CF4-82 series products are all A-type drive, with the motor fixed on the side plate of the casing, eliminating the need for additional supports. The structure is compact, making it easy to install and arrange, and it looks neat and beautiful, with convenient adjustment of the air outlet. It uses flat blades, which effectively reduce oil stains on the blades; at the same time, it is beneficial for cleaning and maintenance. Its air inlet has a noise reduction device, resulting in lower noise compared to the same model 4-72 fan. This machine is specially designed for kitchen exhaust, but it can also be used for general ventilation.
Main Parameters
| Model Number (No.) |
Speed (t/min) |
Matching Motor （kw-p） |
Flow Rate (m3/h) |
Total Pressure (Pa) |
Sound Level dB(A) |
| 3.55A | 1450 | 0.55-4 | 2050-3050 | 373-248 | 69 |
| 4A | 1450 | 0.75-4 | 3050-4450 | 505-345 | 71 |
| 4.5A | 1450 | 1.1-4 | 3900-5454 | 618-428 | s71 |
| 5A | 1450 | 2.2-4 | 5850-8200 | 800-500 | s74 |
| 5.6A | 1450 | 3.0-4 | 8124-11475 | 965-625 | 78 |
| 960 | 1.5-6 | 4781-7219 | 389-252 | 74 | |
| 6.3A | 1450 | 5.5-4 | 9990-14200 | 1110-718 | 85 |
| 960 | 2.2-6 | 6600-9350 | 488-316 | s76 | |
| 7.1A | 1450 | 11-4 | 12146-21227 | 1544-1092 | s86 |
| 960 | 3.0-6 | 8044-14057 | 672-502 | s79 |
Fan Appearance and Installation Dimensions
| Model Number | A | B | C | D | E | R | φ1 | φ2 | G | H |
| 3.55A | 650 | 568 | 250 | 275 | 315 | 340 | 360 | 410 | 266 | 302 |
| 4A | 730 | 632 | 275 | 320 | 340 | 385 | 400 | 460 | 285 | 345 |
| 4.5A | 810 | 710 | 310 | 355 | 375 | 420 | 450 | 510 | 318 | 388 |
| 5A | 910 | 780 | 340 | 400 | 405 | 465 | 500 | 560 | 345 | 431 |
| 5.6A | 1000 | 880 | 385 | 460 | 450 | 525 | 560 | 620 | 378 | 486 |
| 6A | 1060 | 930 | 415 | 480 | 480 | 545 | 600 | 665 | 410 | 510 |
| 6.3A | 1100 | 960 | 440 | 480 | 505 | 545 | 600 | 665 | 427 | 537 |
| 7.1A | 1260 | 1070 | 440 | 560 | 520 | 640 | 700 | 780 | 455 | 615 |
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CF4-82, 4-85 type high-efficiency, low-noise kitchen dedicated centrifugal fan
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Address: Road 3, Ji'ao Industrial Zone, Xinqiao Town, Luqiao District, Taizhou City, Zhejiang Province (Shanghai Qiba Fan Factory)
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