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| 4-68Centrifugal fan
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| Date：2014-12-13 Update：2014-12-13 Views： |
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| Purpose:
4-68 type Centrifugal fan can be used as general ventilation. Conditions of use are as follows:
1. Application places: as a general factories and large buildings, indoor ventilation, both can be used as the input gas, also can be used as the output of gas.
2. Conveying gas types: air and other spontaneous combustion, harmless to the human body, non-corrosive gas of iron and steel material.
3. The impurities in the body: a viscous material, not allowed in the gas contained in the dust and hard particle is not more than 150 mg/cubic meter.
4. The temperature of the gas: no more than 80 degrees Celsius.
4-68 Centrifugal fan selection table
|
Immediately
No
|
Speed
r/min
|
Total presssure
pa
|
Traffic
m3/h
|
The required power
kw
|
The motor power
kw
|
|
4-68No2.8A
|
2900
|
657-950
|
1131-2262
|
0.59-0.78
|
1.1
|
|
1450
|
166-245
|
565-1131
|
0.07-0.11
|
0.55
|
|
4-68No3.15A
|
2900
|
853-1245
|
1825-3435
|
1.11-1.40
|
1.5
|
|
1450
|
215-313
|
912-1718
|
0.14-0.18
|
0.55
|
|
4-68No3.55A
|
2900
|
1108-1608
|
2708-5013
|
1.94-2.41
|
3
|
|
1450
|
274-402
|
1354-2507
|
0.29-0.38
|
0.55
|
|
4-68No4A
|
2900
|
1431-2069
|
3984-7281
|
3.34-4.44
|
4
|
|
1450
|
353-519
|
1992-3641
|
0.53-0.69
|
0.75
|
|
4-68No4.5A
|
2900
|
1833-2657
|
5790-10485
|
5.90-7.73
|
7.5
|
|
1450
|
460-666
|
2895-5242
|
0.90-1.19
|
1.1
|
|
4-68No5A
|
2900
|
2304-3314
|
8050-14490
|
10.12-13.25
|
15
|
|
1450
|
578-823
|
4025-7245
|
1.42-1.89
|
2.2
|
|
4-68No6.3D
|
1450
|
921-1323
|
8320-14761
|
4.42-5.69
|
5.5
|
|
960
|
402-578
|
5508-9773
|
1.38-1.78
|
2.2
|
|
4-68No8D
|
1450
|
1500-2157
|
17585-30774
|
14.4-18.3
|
18.5
|
|
960
|
657-941
|
11643-20375
|
4.3-5.5
|
5.5
|
|
730
|
382-549
|
8853-15403
|
2.1-2.7
|
3
|
|
4-68No10D
|
1450
|
2422-3442
|
35420-61179
|
45.3-57.0
|
55
|
|
960
|
1059-1510
|
23450-40505
|
13.1-16.5
|
18.5
|
|
730
|
617-872
|
17832-30801
|
5.8-7.3
|
7.5
|
|
4-68No12.5D
|
960
|
1657-2353
|
45800-79111
|
40.13-50.45
|
55
|
|
730
|
961-1363
|
34828-60157
|
17.66-22.25
|
22
|
|
4-68No6.3C
|
2240
|
2196-3159
|
12852-22803
|
16.09-20.80
|
22
|
|
2000
|
1755-2510
|
11476-20359
|
11.42-14.78
|
15
|
|
1800
|
1422-2040
|
10328-18324
|
8.35-10.77
|
11
|
|
1600
|
1117-1608
|
9180-16287
|
5.85-7.53
|
7.5
|
|
1400
|
863-1235
|
8032-14251
|
4.10-5.31
|
5.5
|
|
1250
|
686-980
|
7172-12724
|
2.91-3.77
|
4
|
|
1120
|
549-784
|
6426-11401
|
2.26-2.93
|
3
|
|
1000
|
441-627
|
5737-10179
|
1.61-2.09
|
2.2
|
|
900
|
353-509
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5164-9162
|
1.27-1.51
|
1.5
|
|
8000
|
284-402
|
4590-8144
|
0.89-1.17
|
1.1
|
|
4-68No8C
|
1800
|
2314-3314
|
21830-38202
|
28.4-36.1
|
37
|
|
1600
|
1833-2618
|
19404-33958
|
19.93-25.4
|
30
|
|
1400
|
1401-2009
|
16979-29713
|
13.4-17.0
|
18.5
|
|
1250
|
1117-1597
|
15159-26528
|
9.5-12.1
|
15
|
|
1120
|
892-1284
|
13583-23770
|
6.8-8.7
|
11
|
|
1000
|
715-1019
|
12128-21224
|
5.1-6.2
|
7.5
|
|
900
|
578-833
|
10915-19101
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3.7-4.7
|
5.5
|
|
800
|
460-657
|
9702-16979
|
2.6-3.3
|
4
|
|
710
|
362-519
|
8611-15069
|
2.0-2.5
|
3
|
|
630
|
284-402
|
7641-13371
|
1.4-1.7
|
2.2
|
|
4-68No10C
|
1250
|
1793-2558
|
30534-52740
|
30.0-37.6
|
37
|
|
1120
|
1441-2048
|
27358-47256
|
21.5-27.0
|
30
|
|
1000
|
1147-1637
|
24427-42192
|
15.4-19.2
|
22
|
|
900
|
931-1323
|
21984-37974
|
11.2-14.0
|
15
|
|
800
|
735-1049
|
19541-33754
|
7.78-9.85
|
11
|
|
710
|
578-823
|
17343-29956
|
5.72-6.88
|
7.5
|
|
630
|
460-647
|
15389-26581
|
3.99-6.40
|
5.5
|
|
560
|
362-509
|
13679-23627
|
2.79-3.57
|
4
|
|
500
|
284-411
|
12214-21096
|
2.01-2.48
|
3
|
|
4-68No12.5C
|
1120
|
2255-3206
|
53434-92296
|
65.76-82.62
|
75-90
|
|
1000
|
1794-2559
|
47710-82404
|
46.86-58.70
|
55-75
|
|
900
|
1451-2069
|
42938-74166
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34.10-42.72
|
45
|
|
800
|
1147-1637
|
38168-65926
|
23.99-30.02
|
30
|
|
710
|
902-1284
|
33874-58509
|
16.70-20.95
|
22
|
|
630
|
706-1010
|
30057-51917
|
11.75-14.55
|
15
|
|
560
|
558-804
|
26717-46148
|
8.24-10.24
|
11
|
|
500
|
451-637
|
23855-41204
|
6.60-7.38
|
7.5
|
|
450
|
362-519
|
21469-37083
|
4.47-5.57
|
5.5
|
|
400
|
284-411
|
19084-32963
|
3.14-3.88
|
4
|
|
4-68No16B
|
960
|
2716-3863
|
96052-165908
|
142-179
|
200
|
|
800
|
1882-2687
|
80043-138257
|
83-103
|
90-110
|
|
710
|
1480-2118
|
71038-122703
|
58-72
|
75
|
|
630
|
1167-1667
|
93034-108877
|
40-50
|
55
|
|
560
|
921-1314
|
56030-96780
|
28.3-35.4
|
37
|
|
500
|
735-1049
|
50027-86410
|
20.1-25.2
|
30
|
|
450
|
598-853
|
45024-77769
|
14.7-18.5
|
18.5
|
|
400
|
470-666
|
40022-69128
|
10.2-12.9
|
15
|
|
355
|
372-529
|
35519-61351
|
7.22-9.07
|
11
|
|
315
|
294-411
|
31517-54439
|
5.2-6.62
|
7.5
|
|
4-68No20B
|
710
|
2324-3304
|
138747-239654
|
176-221
|
220
|
|
630
|
1824-2598
|
123113-212650
|
123-154
|
160
|
|
560
|
1441-2059
|
109434-189023
|
86.5-108
|
110
|
|
500
|
1147-1637
|
97709-168770
|
61.4-76.9
|
75
|
|
450
|
931-1323
|
87938-151893
|
44.7-56.2
|
55
|
|
400
|
735-1049
|
78167-130016
|
31.5-39.4
|
45
|
|
355
|
578-823
|
69373-119827
|
21.9-27.5
|
30
|
|
315
|
460-647
|
61557-106325
|
15.3-19.5
|
22
|
|
280
|
362-509
|
54717-94511
|
10.7-13.61
|
15
|
|
250
|
284-411
|
48855-84385
|
7.72-9.52
|
11
|
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