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 | |
4-72No4A
| 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 |
4-72No5A | 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 | |
4-72No6A | 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 | |
4-72No6D | 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 | |
4-72No8D | 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 | |
4-72No10D | 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 | |
4-72No12D | 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 |
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