The SF-B Series Oil- and Moisture-Resistant Axial Flow Fan is a specialized ventilation device desig...
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The T35-11, BT35, and FT35 series permanent magnet variable-frequency axial-flow fans serve as replacements for the 30K4 series. The T35 model was developed following a comparative analysis with similar international products; through optimized design, the fan's impeller structure was precisely defined, and the motor underwent significant improvements. Structurally, flow losses were minimized, resulting in a fan efficiency of up to 89.5% and a noise reduction of 3.6 dB (A-weighted). Furthermore, the strength of the blade roots was reinforced to prevent blade fracture.
This fan series is suitable for conveying non-flammable, non-explosive, non-corrosive gases that are free of significant dust particles; the gas temperature must not exceed 60°C. These fans are widely utilized in general factories, warehouses, offices, and residential buildings for ventilation and air exchange, or to enhance heat dissipation in heating systems. They can also be installed in series at intervals within long exhaust ducts to boost the internal pressure of the pipeline.
The BT35-11 is an explosion-proof permanent magnet variable-frequency axial-flow fan, designed for the ventilation and air exchange of flammable, explosive, and other volatile gases. The FT35-11 is a corrosion-resistant axial-flow fan, suitable for conveying corrosive gases.
| Immediately | D | D1 | D2 | L1 | L2 |
| 4 | 405 | 425 | 460 | 330 | 350 |
| 5 | 510 | 532 | 570 | 330 | 350 |
| 6 | 610 | 634 | 670 | 450 | 530 |
| 7 | 710 |
737 |
770 |
550 |
570 |
| 8 | 810 | 833 | 865 | 550 | 640 |
| Model | Speed (r/min) |
Power (kW) |
Traffic (m3/h) |
Total pressure (Pa) |
Frequency (Hz) |
| BT35-11-4 | 800-2000 | 0.75 | 8302-3350 | 160 | 50 |
| BT35-11-5 | 800-2000 | 1.1 | 5168-14500 | 200 | 50 |
| BT35-11-6 | 800-2000 | 1.5 | 6000-22000 | 400 | 50 |
| BT35-11-7 | 800-2000 | 2.2 | 8000-30000 | 420 | 50 |
| BT35-11-8 | 800-2000 | 3.0 | 10000-40000 | 480 | 50 |
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