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This large axial fan keeps big spaces ventilated with steady airflow, without turning the work area into a noisy, uncomfortable place.
SF Low Noise Axial Fan is made for large spaces that need air to move steadily without adding harsh background noise. It brings practical ventilation to industrial and commercial environments where comfort and airflow both matter.
With efficient axial airflow, durable construction and clear model data, the series supports workshops, warehouses and equipment rooms that need reliable fresh-air movement or exhaust ventilation.
Built for large-area ventilation, the SF series combines efficient airflow, low-noise operation and straightforward installation.
The axial design supports practical air exchange across workshops, warehouses and similar open spaces.
Noise-conscious design helps keep occupied work areas more comfortable.
Robust materials support long-hour operation and repeated project use.
The fan is easier to install and service than complex fixed ventilation assemblies.
Clear parameters help buyers compare dimensions, airflow and motor data before ordering.
Practical airflow delivery helps reduce wasted power in everyday ventilation tasks.
| Model | D | D1 | D2 | D3 | L1 | L2 | L3 | H1 | H2 | n-d1 | A | B | d2 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2 | 210 | 230 | 255 | / | 235 | / | / | 1350 | / | 6-7 | 140 | 256 | 9 |
| 2.5 | 260 | 290 | 310 | 345 | 260 | 270 | 280 | 183 | 470 | 6-9 | 200 | 282 | 9 |
| 3 | 310 | 340 | 360 | 395 | 260 | 280 | 300 | 197 | 470 | 6-9 | 250 | 282 | 9 |
| 3.5 | 362 | 392 | 420 | 440 | 325 | 350 | 390 | 238 | 460 | 6-9 | 290 | 352 | 9 |
| 4 | 412 | 440 | 472 | 500 | 340 | 370 | 420 | 273 | 525 | 6-9 | 340 | 365 | 9 |
| 4.5 | 462 | 490 | 522 | 560 | 340 | 370 | 400 | 298 | 525 | 6-9 | 340 | 365 | 9 |
| 5 | 512 | 542 | 572 | 600 | 350 | 380 | 450 | 317 | 630 | 6-9 | 430 | 378 | 9 |
| 5.5 | 562 | 592 | 625 | 670 | 450 | 480 | 520 | 345 | 630 | 6-9 | 434 | 478 | 10 |
| 6 | 612 | 646 | 690 | 690 | 500 | 530 | 580 | 400 | 685 | 8-10 | 500 | 528 | 12 |
| 7 | 720 | 750 | 790 | 810 | 535 | 570 | 620 | 460 | 770 | 8-12 | 540 | 593 | 14 |
| 8 | 825 | 865 | 905 | 920 | 600 | 640 | 690 | 551 | 870 | 8-12 | 630 | 658 | 14 |
| 10 | 1030 | 1075 | 1110 | / | 805 | / | / | 682 | / | 8-13 | 800 | 860 | 14 |
| Model | Power (kW) | Voltage (V) | Speed (r/min) | Airflow (m³/h) | Pressure (Pa) | Noise (dB/A) |
|---|---|---|---|---|---|---|
| SF2-2 | 0.12 | 38 | 2800 | 1300 | 140 | 62 |
| SF2-2R | 0.12 | 220 | 2800 | 1300 | 140 | 62 |
| SF2-4 | 0.06 | 380 | 1450 | 600 | 20 | 57 |
| SF2-4R | 0.06 | 220 | 1450 | 600 | 20 | 57 |
| SF2.5-2 | 0.25 | 380 | 2800 | 2100 | 215 | 65 |
| SF2.5-2R | 0.25 | 220 | 2800 | 2100 | 215 | 65 |
| SF2.5-4 | 0.09 | 380 | 1450 | 1000 | 35 | 59 |
| SF2.5-4R | 0.09 | 220 | 1450 | 1000 | 35 | 59 |
| SF3-2 | 0.37 | 380 | 2800 | 3000 | 230 | 68 |
| SF3-2R | 0.37 | 220 | 2800 | 3000 | 230 | 68 |
| SF3-4 | 0.12 | 380 | 4150 | 2000 | 59 | 61 |
| SF3-4R | 0.12 | 220 | 4150 | 2000 | 59 | 61 |
| SF3.5-2 | 0.75 | 380 | 2800 | 6000 | 260 | 70 |
| SF3.5-2R | 0.75 | 220 | 2800 | 6000 | 260 | 70 |
| SF3.5-4 | 0.25 | 380 | 1450 | 4000 | 100 | 63 |
| SF3.5-4R | 0.25 | 220 | 1450 | 4000 | 100 | 63 |
| SF4-4 | 0.55 | 380 | 1450 | 5870 | 149 | 72 |
| SF4-4R | 0.55 | 220 | 1450 | 5870 | 149 | 72 |
| SF4-2 | 1.5 | 380 | 2880 | 10000 | 170 | 80 |
| SF4-2R | 1.5 | 220 | 2800 | 10000 | 170 | 80 |
| SF5-4 | 0.57 | 380 | 1450 | 10000 | 200 | 74 |
| SF5-4R | 0.73 | 220 | 1450 | 10000 | 170 | 74 |
| SF5-6 | 2.2 | 380 | 960 | 7700 | 120 | 66 |
| SF6-4 | 1.1 | 380 | 1450 | 18700 | 300 | 80 |
| SF6-6 | 3.0 | 380 | 960 | 14500 | 180 | 75 |
| SF7-4 | 2.2 | 380 | 1450 | 24500 | 350 | 85 |
| SF7-6 | 3 | 380 | 960 | 21500 | 210 | 80 |
| SF8-4 | 2.2 | 380 | 1450 | 37200 | 235 | 88 |
| SF8-6 | 3 | 380 | 960 | 28000 | 196 | 82 |
| SF10-6 | 4 | 380 | 960 | 50000 | 260 | 88 |
Ventilasi aksial bersuara rendah untuk ruangan luas yang memerlukan pertukaran udara stabil dan kemudahan pemasangan.
Dukungan ventilasi umum untuk area produksi dan perbaikan.
Sirkulasi udara untuk ruang penyimpanan di mana udara stagnan memengaruhi kenyamanan dan kondisi barang.
Dukungan ventilasi untuk area servis bersama dan zona peralatan.
Membantu membuang udara panas atau pengap dari ruang mesin dan utilitas.
We eliminate procurement and installation risks through rigorous factory verification and straightforward B2B warranty support.
Setiap batch melewati pengujian fungsional dan dimensi rutin yang ketat, termasuk inspeksi perakitan bilah kipas, uji operasi motor, evaluasi tingkat kebisingan, konfirmasi aliran udara, pemeriksaan ukuran dudukan, dan pencocokan model dengan tabel spesifikasi. Kami memastikan setiap unit tiba di lokasi proyek Anda berfungsi penuh dan siap untuk pemasangan yang sempurna.
We stand firmly behind our manufacturing craftsmanship. In the rare event of any material defect or mechanical failure under standard project operations, KCVENTS provides a straightforward, hassle-free hardware replacement service to secure your timeline.
As a global manufacturer of HVAC and ventilation equipment, KCVENTS is dedicated to providing flexible customization services and robust long-term supply chain warranty terms for contractors, brands, and wholesalers.
We support full private labeling (OEM) and custom housing finishes. Our ODM engineering covers custom chassis modifications, specialized airflow curves, and regional electrical standards (e.g., 110V/60Hz, 24V variable frequency).
For large-scale HVAC and green building deployments, we offer structured MOQ tiers, staged shipping contracts, and agile multi-batch delivery aligned with your construction timeline. Technical submittals and parameter validation are included.
Motors enjoy an extended warranty of up to 3 to 5 years, backed by a comprehensive 1-year full system warranty. Bulk orders are eligible for a dedicated percentage of maintenance spares along with 1-on-1 remote engineering support.
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