4-72、B4-72型中低压离心通风机
一.用途：4-72型离心通风机可作为一般工厂及大型建筑物的室内通风换气用，输送空气和其它不自燃的、对人体无害的、对钢材无腐蚀性的气体。B4-72型风机可作为易燃挥发性气体的通风换气用。气体内不许有粘性物质，所含尘土及硬质颗粒物不大于150毫克/立方米。气体温度不得超过80摄氏度。
B4-72型风机的性能与选用件及地基尺寸与4-72一致，可按其选择。该风机结构基本与4-72型相同，电动机选用与Y 系列对应的YB系列。
二．特点：空气性能好、效率高、运转平稳。
离心通风机性能选用表
|
机号No |
转速r/min |
流量m3/h |
全压pa |
内功率kw |
所需功率kw |
|
4-72No2.8A |
2900 |
1131-2356 |
606-994 |
0.45-0.57 |
0.67-0.80 |
|
4-72No3.2A |
2900 |
1688-3517 |
792-1300 |
0.88-1.13 |
1.23-1.47 |
|
4-72No3.2A |
1450 |
844-1758 |
198-324 |
0.11-0.14 |
0.16-0.21 |
|
4-72No3.6A |
2900 |
2664-5268 |
989-1578 |
1.56-1.95 |
2.03-2.52 |
|
1450 |
1335-2634 |
247-393 |
0.20-0.24 |
0.29-0.36 |
|
4-72No 4A
|
2900 |
4012-7419 |
1320-2014 |
2.89-3.49 |
3.47-4.19 |
|
1450 |
2006-3709 |
329-501 |
0.36-044 |
0.54-066 |
|
2900 |
5712-10562 |
1673-2554 |
5.21-6.30 |
6.00-7.24 |
|
4-72No4.5A |
1450 |
2856-5281 |
416-634 |
0.65-0.79 |
0.91-1.10 |
|
4-72No 5A |
2900 |
7728-15455 |
2019-3187 |
8.72-11.22 |
10.02-12.90 |
|
1450 |
3864-7728 |
502-790 |
1.09-1.40 |
1.42-1.82 |
|
4-72No 6A |
1450 |
6677-13353 |
724-1139 |
2.71-3.49 |
3.25-4.19 |
|
960 |
4420-8841 |
317-498 |
0.79-1.01 |
1.10-1.40 |
|
4-72No 6D |
1450 |
6677-13353 |
724-1139 |
2.71-3.45 |
3.32-4.27 |
|
960 |
4420-8841 |
317-498 |
0.79-1.01 |
1.12-1.35 |
|
4-72No 8D |
1450 |
15826-29344 |
1490-2032 |
11.42-14.71 |
13.41-17.26 |
|
960 |
10478-19482 |
651-887 |
3.32-4.27 |
4.06-5.23 |
|
730 |
7968-14773 |
376-512 |
1.46-1.88 |
1.93-2.49 |
|
4-72No 10D |
1450 |
40441-56605 |
2523-3202 |
41.00-46.86 |
48.12-54.98 |
|
960 |
26775-37476 |
1104-1395 |
11.9-13.60 |
13.96-15.96 |
|
730 |
20360-28497 |
637-805 |
5.23-5.92 |
6.14-7.02 |
|
4-72No 12D |
960 |
46267-64759 |
1593-2013 |
29.61-33.84 |
34.75-39.71 |
|
730 |
35182-49244 |
919-1160 |
13.02-14.88 |
15.28-17.46 |
|
4-72No6C |
2240 |
10314-20628 |
1733-2734 |
10.00-12.87 |
12.10-15.57 |
|
2000 |
9209-18418 |
1380-2176 |
7.11-9.136 |
8.61-11.09 |
|
1800 |
8288-16576 |
1116-1760 |
5.19-6.68 |
6.28-8.08 |
|
1600 |
7364-14734 |
881-1389 |
3.64-4.69 |
4.60-5.92 |
|
4-72No8C |
1800 |
19646-36427 |
2302-3143 |
21.85-28.13 |
26.45-34.05 |
|
1600 |
17463-32380 |
1816-2478 |
15.35-19.76 |
18.58-23.59 |
|
1250 |
13643-25297 |
1106-1507 |
7.32-9.42 |
8.86-11.40 |
|
1120 |
12224-22666 |
887-1209 |
5.26-6.78 |
6.378.20 |
|
1000 |
10914-20237 |
707-963 |
3.75-4.82 |
4.73-5.87 |
|
900 |
9823-18213 |
572-779 |
2.73-3.52 |
3.45-4.44 |
|
800 |
8732-16190 |
452-615 |
1.92-2.47 |
2.42-3.12 |
|
710 |
7749-14368 |
356-485 |
1.34-1.73 |
1.84-2.36 |
|
630 |
6876-12749 |
280-381 |
0.94-1.21 |
1.38-1.65 |
|
4-72No10C |
1250 |
34863-48797 |
1877-2373 |
26.27-30.02 |
31.80-36.34 |
|
1120 |
31237-43722 |
1505-1902 |
18.90-21.59 |
22.87-26.14 |
|
1000 |
27890-39038 |
1199-1514 |
13.45-15.37 |
16.2818.60 |
|
900 |
25101-35134 |
970-1225 |
9.81-11.20 |
11.87-13.56 |
|
800 |
22312-31230 |
766-967 |
6.89-7.87 |
8.34-9.53 |
|
710 |
19802-27717 |
603-761 |
4.81-5.50 |
5.83-6.66 |
|
630 |
17571-24594 |
475-599 |
3.36-3.83 |
4.25-4.85 |
|
560 |
15618-21861 |
375-473 |
2.36-2.70 |
2.98-3.38 |
|
500 |
13945-19519 |
299-377 |
1.68-1.92 |
2.30-2.56 |
|
4-72No12C |
1120 |
53978-75552 |
2172-2746 |
47.02-53.73 |
56.92-65.04 |
|
1000 |
48195-67457 |
1729-2185 |
33.47-38.25 |
40.51-46.30 |
|
900 |
43375-60712 |
1399-1767 |
24.40-27.88 |
29.53-33.75 |
|
800 |
38556-53966 |
1104-1395 |
17.14-19.58 |
20.74-23.70 |
|
710 |
34218-47895 |
869-1097 |
11.98-13.69 |
14.50-16.57 |
|
630 |
30362-42498 |
684-863 |
8.37-9.56 |
10.13-11.58 |
|
560 |
26989-37776 |
540-682 |
5.88-6.72 |
7.11-8.13 |
|
500 |
24097-33728 |
430-543 |
4.18-4.78 |
5.28-5.98 |
|
450 |
21687-30356 |
348-440 |
3.05-3.49 |
3.85-4.40 |
|
400 |
19278-26983 |
275-347 |
2.14-2.45 |
2.71-3.09 |
|
4-72No16B |
900 |
102810-143910 |
2497-3157 |
102.81-117.48 |
124.45-142.84 |
|
800 |
91392-127920 |
1969-2489 |
72.21-82.52 |
87.41-99.89 |
|
710 |
81110-113520 |
1549-1957 |
50.48-57.68 |
61.10-69.83 |
|
630 |
71971-100730 |
1218-1538 |
35.27-40.30 |
42.69-48.31 |
|
560 |
63974-89544 |
961-1214 |
24.77-28.30 |
29.98-34.26 |
|
500 |
57120-79950 |
766-967 |
17.63-20.15 |
21.34-24.39 |
|
450 |
51408-71955 |
620-783 |
12.85-14.69 |
15.56-17.78 |
|
400 |
45696-63960 |
490-618 |
9.03-10.31 |
10.93-12.48 |
|
355 |
40555-56764 |
386-487 |
6.31-7.21 |
7.64-8.73 |
|
315 |
35985-50368 |
303-383 |
4.41-5.04 |
5.57-6.10 |
|
4-72No20B |
710 |
158410-221730 |
2427-3069 |
154.04-176.03 |
186.46-213.08 |
|
630 |
140560-196750 |
1908-2411 |
107.62-122.98 |
130.27-148.86 |
|
560 |
124950-174890 |
1505-1902 |
75.59-86.37 |
91.50-130.54 |
|
500 |
111560-156150 |
1199-1514 |
53.80-61.48 |
65.13-74.42 |
|
450 |
100400-140530 |
970-1225 |
39.22-44.82 |
47.48-54.25 |
|
400 |
89250-124920 |
766-967 |
27.55-31.48 |
33.34-38.10 |
|
355 |
79209-110860 |
603-761 |
19.26-22.00 |
23.31-26.64 |
|
315 |
70284-98376 |
475-599 |
13.45-15.37 |
16.28-18.62 |
|
280 |
62475-87445 |
375-473 |
9.45-10.80 |
11.44-1307 |
|
250 |
55781-78076 |
299-377 |
6.73-7.68 |
8.14-9.30 |
|
