Backward Curved Centrifugal Exhaust Fan Blower 175mm Diameter High Efficiency
centrifugal exhaust fan
,centrifugal duct fan
,175mm Centrifugal Exhaust Fan Blower
backward curved centrifugal fan blower, 175mm diameter centrifugal fan
Features
High efficiency, low noise.
Light weight, compact size.
Convenient use, small space.
Plastic or steel impeller.
Drawing Size

Application
Heat recoverer, fresh air ventilation, air purifying equipment, exhaust and ventilation.
Air cooling and heating equipment, air control system.
Fan drive air purifying unit, cleaning equipment, dehumidifier, constant temperature and humidity incubator.
Air purifier, telecommunication cabinet, portable air conditioner.
Technical Parameters:
| Model |
Air Volume /m³/h |
Voltage /V |
Frequency /Hz |
Input Power /W |
Current /A |
Capacitor /μF |
Speed /RPM |
Static Pressure /mmAg |
Noise /dB |
Weight /kg |
| TOB-180/30-2P | 524 | 220 | 50 | 77 | 0.38 | 1.5 | 2609 | 22 | 62 | 1.3 |
| TOB-180/30-2P | 564 | 220 | 60 | 81 | 0.38 | 1.5 | 2984 | 30 | 63 | 1.3 |
| TOB-190/45-2P | 522 | 220 | 50 | 54 | 0.25 | 2 | 2450 | 29 | 55 | 1.3 |
| TOB-190/45-2P | 600 | 220 | 60 | 75 | 0.35 | 2 | 2550 | 40 | 57 | 1.3 |
| TOB-190/45-2S | 522 | 220 | 50 | 54 | 0.25 | 2 | 2450 | 29 | 55 | 2.8 |
| TOB-190/45-2S | 600 | 220 | 60 | 75 | 0.35 | 2 | 2550 | 40 | 57 | 2.8 |
| TOB-190/45-4S | 282 | 220 | 50 | 24 | 0.14 | 2 | 1320 | 7 | 43 | 2.5 |
| TOB-190/45-4S | 342 | 220 | 60 | 25 | 0.25 | 2 | 1450 | 13 | 45 | 2.5 |
| TOB-225/50-2S | 972 | 220 | 50 | 135 | 0.60 | 4 | 2650 | 48 | 55 | 2.8 |
| TOB-225/50-2S | 1152 | 220 | 60 | 170 | 0.75 | 4 | 2950 | 70 | 57 | 2.8 |
| TOB-225/50-4S | 282 | 220 | 50 | 24 | 0.14 | 1 | 1320 | 7 | 43 | 2.5 |
| TOB-225/50-4S | 342 | 220 | 60 | 25 | 0.25 | 1 | 1450 | 13 | 45 | 2.5 |
| TOB-250/50-2S | 1230 | 220 | 50 | 175 | 0.81 | 6 | 2600 | 55 | 68 | 3.5 |
| TOB-250/50-2S | 1482 | 220 | 60 | 240 | 1.00 | 6 | 2700 | 80 | 70 | 3.5 |
| TOB-250/50-4S | 780 | 220 | 50 | 37 | 0.17 | 1 | 1400 | 14 | 55 | 3.2 |
| TOB-250/50-4S | 918 | 220 | 60 | 40 | 0.20 | 1 | 1600 | 20 | 58 | 3.2 |
| TOB-280/50-2S | 1698 | 220 | 50 | 250 | 1.12 | 8 | 2400 | 69 | 70 | 2.8 |
| TOB-280/50-2S | 2010 | 220 | 60 | 340 | 1.50 | 8 | 2700 | 100 | 75 | 2.8 |
| TOB-280/50-4S | 1200 | 220 | 50 | 85 | 0.41 | 3.5 | 1420 | 19 | 55 | 3.8 |
| TOB-280/50-4S | 1470 | 220 | 60 | 100 | 0.50 | 3.5 | 1635 | 26 | 60 | 3.8 |
| 315-4 | 2170 | 220/380 | 50 | 110 | 0.35 | / | 1400 | / | 61 | 3.5 |
| 315-4 | 2420 | 230/400 | 60 | 150 | 0.33 | / | 1600 | / | 63 | 3.5 |
| 315-4 | 2170 | 220 | 50 | 120 | 0.58 | 4 | 1400 | / | 60 | 3.5 |
| 315-4 | 2400 | 230 | 60 | 160 | 0.74 | 4 | 1530 | / | 63 | 3.5 |
| 315-6 | 1400 | 220 | 50 | 50 | 0.25 | 1.5 | 930 | / | 51 | 3.5 |
| 315-6 | 1650 | 230 | 60 | 60 | 0.29 | 1.5 | 1050 | / | 54 | 3.5 |
| 315-4 | 1300 | 220 | 50 | 95 | 0.44 | 4 | 1430 | / | 60 | 2.7 |
| 355-4 | 2930 | 220 | 50 | 180 | 0.83 | 6 | 1400 | / | 66 | 4.8 |
| 355-4 | 3350 | 230 | 60 | 250 | 1.16 | 6 | 1600 | / | 69 | 4.8 |
| 355-6 | 1600 | 220 | 50 | 70 | 0.32 | 2 | 930 | / | 55 | 3.6 |
| 355-6 | 2350 | 230 | 60 | 90 | 0.39 | 2 | 1020 | / | 58 | 3.6 |
| 355-4 | 2930 | 220 | 50 | 250 | 1.1 | 6 | 1410 | / | 67 | 5.5 |
| 355-4 | 3350 | 230 | 60 | 300 | 1.3 | 6 | 1580 | / | 70 | 5.5 |
| 355-6 | 1700 | 220 | 50 | 75 | 0.33 | 2 | 900 | / | 56 | 4.3 |
| 355-6 | 2250 | 230 | 60 | 95 | 0.41 | 2 | 980 | / | 58 | 4.3 |
| 400-4 | 2600 | 220 | 50 | 340 | 1.48 | 6 | 1400 | / | 68 | 6 |
| 400-4 | 3500 | 220/380 | 50 | 420 | 0.95 | / | 1380 | / | 72 | / |
| 450-4 | 5600 | 220/380 | 50 | 690 | 1.32 | / | 1220 | / | 83 | 9 |
| 450-4 | 5400 | 220 | 50 | 730 | 3.3 | 12 | 1230 | / | 82 | 11 |
| 450-6 | 3900 | 220/380 | 50 | 260 | 0.64 | / | 870 | / | 74 | 8 |
| 450-6 | 3700 | 220 | 50 | 240 | 1.1 | 6 | 840 | / | 68 | 8 |
| 500-4 | 7900 | 220/380 | 50 | 1150 | 2.12 | / | 1360 | / | 85 | 17 |
| 500-6 | 5200 | 220/380 | 50 | 410 | 0.89 | / | 870 | / |
73 |
12 |
| 500-6 | 5100 | 220 | 50 | 390 | 1.7 | 10 | 820 | / |
73 |
12 |
| 500-8 | 3900 | 220/380 | 50 | 180 | 0.39 | / | 640 | / | 64 | 10 |
| 500-8 | 3900 | 220 | 50 | 220 | 1.01 | 5 | 660 | / | 68 | 11 |
| 560-4 | 10500 | 220/380 | 50 | 1850 | 3.4 | / | 1230 | / | 86 | 23 |
| 560-6 | 7050 | 220/380 | 50 | 620 | 1.08 | / | 840 | / | 76 | 13 |
| 560-6 | 7100 | 220 | 50 | 630 | 2.9 | 14 | 850 | / | 77 | 22 |
| 560-8 | 5400 | 220/380 | 50 | 280 | 0.56 | / | 620 | / | 71 | 13 |
| 560-8 | 5700 | 220 | 50 | 320 | 1.5 | 8 | 670 | / | 72 | 20 |


backward curved centrifugal fan blower, 175mm diameter centrifugal fan Features High efficiency, low noise. Light weight, compact size. Convenient use, small space. Plastic or steel impeller. Drawing Size Application Heat recoverer, fresh air ventilation, air purifying equipment, exhaust and ...