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Backward Centrifugal Fan

Backward Centrifugal Fan
Backward Centrifugal FanBackward Centrifugal FanBackward Centrifugal Fan
CategoriesAC Centrifugal Fans
BrandYADE Industrial Fan Manufacturer
ModelΦ133 ~ Φ710
Impeller MaterialAluminum, Plastic or Magnalium
Rotor MaterialAluminum Casting
Protection ClassIP54
Insulation ClassF
BearingBall Bearing
Terms of PaymentL/C, D/P, T/T, Unit
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Update TimeAug 30,2025
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Detail Information
     φ133 ~ φ710                     Backward Centrifugal Fan

Product description：

AC external rotor motor powered backward-curved centrifugal fan series covers a diameter range from φ133 to φ710 mm, with maximum air volume up to 8,500 m3/h and maximum static pressure up to 650 Pa. This external rotor fan series has a compact structure, operates reliably and is both energy saving and efficient. It is designed with low noise, a long service life, and is easy to install.


Maintenance of centrifugal fan

(1) It must be confirmed that the centrifugal fan is in good condition before operation.

(2) Regularly remove ash, dirt and other impurities inside the centrifugal fan, and prevent rust.

(3) the lubricant should be replaced after each overhaul; Normal operation must be in accordance with the specified period of refueling.

(4) When the centrifugal fan is working, if there is any abnormal phenomenon, it must be stopped for inspection immediately. If there is a small fault, it should try to find out the cause and eliminate it. If there is a big fault, it should be stopped for inspection immediately.

Model selection
Type     
Voltage
V
Frequency
Hz 
Current
A
Input  Power W
Speed
RPM
Air Flow
m³/h
Noise
dB (A)
Net Weight kg
 B2E133-42P-72/15 

220
50
0.1
23
2630
 230
53
0.9
60
0.12
25
3020
250
55
0.9

B2E175-42P-72/20
220
50
0.14
34
2600
470
65
0.95
60
0.19
39
2950
550
68
0.95
115
60
0.6
68
2500
470
64
0.95
B2E180-30P-92/15
220
50
0.23
50
2500
380
62
1.1
B2E190-44P-92/15
220
50
0.25
57
2400
520
67
1.2
60
0.3
71
2630
550
70
1.2
B2E220-44P-92/25
220
50
0.37
81
2500
850
65
1.8
B2E250-48P-92/35
220
50
1.07
250
2800
1340
80
3.2
B2E250-48P-92/35
220
50
0.80
190
2400
1130
70
3.2
60
1.06
240
2550
1230
71
3.2
B2E280-50M-92/45
220
50
0.35
74
1400
1050
64
3.5
60
0.37
80
1680
1230
67
3.5
B4E355-100M-102/34         (169 )
220
50
1.00
210
1350
2550
62
4.6
60
1.35
280
1500
2660
64
4.6
B4D355-100M-102/34         (169 )
380
50
0.53
200
1390
2520
61
4.6
400
60
0.55
270
1610
2610
63
4.6
B4E400-123M-137/50           ( 188 )
220
50
1.5
430
1380
4300
67
5.5
B4D400-123M-137/50       ( 188 )
380
50
0.8
510
1380
4100
66
5.5
B4D450-160M-137/70        ( 218 )
380
50
1.00
550
1350
5850
69
12
400
60
1.50
800
1480
6510
75
12
B4D500-180M-180/75 
380 △
50
2.18
1070
1450
8000
80
20
380   Y
1.48
880
1300
7000
78
20
B6D560-155M-180/75 
380
50
1.4
600
920
8500
73
27
B6D630-195M-180/105
380
50
3.0
1150
950
13000
78
30
B6D710-219M-180/105
380
50
3.8
1900
910
16000
83
32
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