Model: 4-72 Series
4-72 Series Low Pressure Centrifugal Fan With the Widest Application
This type of centrifugal fan is normally design for a working condition which temperature below 80℃, dust and particle content below 150mg/m3. Based on the normal ventilation purpose, Roltec can provide:
4-72 series fans with vibration reduction platform for users.
4-72 series double suction fans for users.
High-temperature 4-72 series fans for users (maximum temperature ≤ 500 ℃).
Corrosion-resistant 4-72 series fans for users.
- Technical Data Sheet
| Size No. | Speed r/min | Flow m³/h | Air pressure Pa | Motor power KW |
| 2.8A | 2900 | 1131-2356 | 606-994 | 1.5 |
| 3.2A | 2900 | 1688-3517 | 792-1300 | 2.2 |
| 1450 | 844-1758 | 198-324 | 1.1 | |
| 3.6A | 2900 | 2664-5286 | 989-1578 | 3 |
| 1450 | 1332-2634 | 247-393 | 1.1 | |
| 4A | 2900 | 4012-7419 | 1320-2014 | 5.5 |
| 1450 | 2006-3709 | 329-501 | 1.1 | |
| 4.5A | 2900 | 5712-10562 | 1673-2554 | 7.5 |
| 1450 | 2856-5281 | 416-634 | 1.1 | |
| 5A | 2900 | 7728-15455 | 2019-3187 | 15 |
| 1450 | 3864-7728 | 502-790 | 2.2 | |
| 6A | 1450 | 6677-13353 | 724-1139 | 4 |
| 960 | 4420-8841 | 317-498 | 1.5 | |
| 6D | 1450 | 6677-13353 | 427-1139 | 4 |
| 960 | 4420-8841 | 317-498 | 1.5 | |
| 8D | 1450 | 15826-29344 | 1490-2032 | 18.5 |
| 960 | 10478-19428 | 887-651 | 5.5 | |
| 730 | 7968-14773 | 512-376 | 3 | |
| 10D | 1450 | 40441-56605 | 3202-2532 | 55 |
| 960 | 26775-37476 | 1395-1104 | 18.5 | |
| 730 | 20360-28497 | 805-637 | 7.5 | |
| 12D | 960 | 46267-64759 | 2013-1593 | 45 |
| 730 | 35182-49244 | 919-1160 | 18.5 | |
| 6C | 2240 | 10314-20628 | 1733-2734 | 15 |
| 2000 | 9209-18418 | 1380-2176 | 11 | |
| 1800 | 8288-16576 | 1116-1760 | 7.5 | |
| 1600 | 7367-14734 | 881-1389 | 5.5 | |
| 1250 | 5756-11511 | 537-846 | 3 | |
| 1120 | 5157-10314 | 431-679 | 2.2 | |
| 1000 | 4605-9209 | 344-541 | 2.2 | |
| 900 | 4144-8288 | 278-438 | 1.5 | |
| 800 | 3684-7367 | 220-346 | 1.1 | |
| 8C | 1800 | 19646-36427 | 2302-3143 | 30-37 |
| 1600 | 17463-32380 | 1816-2478 | 22-30 | |
| 1250 | 13643-25297 | 1106-1507 | 11 | |
| 1120 | 12224-22666 | 887-1209 | 7.5-11 | |
| 1000 | 10914-20237 | 707-963 | 5.5-7.5 | |
| 900 | 9823-18213 | 572-779 | 4-5.5 | |
| 800 | 8732-16190 | 425-615 | 3 | |
| 710 | 7749-14368 | 356-485 | 2.2-3 | |
| 630 | 6876-12749 | 280-381 | 2.2 | |
| 10C | 1250 | 34863-48797 | 1877-2372 | 37 |
| 1120 | 31237-43722 | 1505-1902 | 30 | |
| 1000 | 27890-39038 | 1199-1514 | 18.5 | |
| 900 | 25101-35134 | 970-1225 | 15 | |
| 800 | 22312-31230 | 766-967 | 11 | |
| 710 | 19802-27717 | 603-761 | 7.5 | |
| 630 | 17571-24594 | 475-599 | 5.5 | |
| 560 | 15618-21861 | 375-473 | 4 | |
| 500 | 13945-19519 | 299-377 | 3 | |
| 12C | 1120 | 53978-75552 | 2172-2746 | 75 |
| 1000 | 48195-67457 | 1729-2185 | 45-55 | |
| 900 | 43375-60712 | 1399-1767 | 37 | |
| 800 | 38556-53966 | 1104-1395 | 22-30 | |
| 710 | 34218-47895 | 869-1097 | 18.5 | |
| 630 | 30362-42468 | 684-863 | 15 | |
| 560 | 26989-37776 | 540-682 | 7.5-11 | |
| 500 | 24097-33728 | 430-543 | 7.5 | |
| 450 | 21687-30356 | 348-440 | 4-5.5 | |
| 400 | 19278-26983 | 275-347 | 3 | |
| 16B | 900 | 102810-143910 | 2497-3157 | 132-160 |
| 800 | 91392-127920 | 1969-2489 | 110 | |
| 710 | 81110-113520 | 1549-1957 | 75 | |
| 630 | 71971-100730 | 1218-1838 | 55 | |
| 560 | 63974-89544 | 961-1214 | 37 | |
| 500 | 57120-79950 | 766-967 | 30 | |
| 450 | 51408-71955 | 620-783 | 18.5 | |
| 400 | 45696-63960 | 490-618 | 15 | |
| 355 | 40555-56764 | 386-487 | 11 | |
| 315 | 35985-50368 | 303-383 | 7.5 | |
| 20B | 710 | 158410-221730 | 2427-3069 | 220 |
| 630 | 140560-196750 | 1908-2411 | 160 | |
| 560 | 124950-174890 | 1505-1902 | 110 | |
| 500 | 111560-156150 | 1199-1514 | 75 | |
| 450 | 100400-140530 | 970-1225 | 55 | |
| 400 | 89250-124920 | 766-967 | 37 | |
| 355 | 79209-110860 | 603-761 | 30 | |
| 315 | 70284-98376 | 475-599 | 22 | |
| 280 | 62475-87445 | 375-473 | 15 | |
| 250 | 55781-78076 | 299-377 | 11 |
4-72 Series Low Pressure Centrifugal Fan for Application
The 4-72 series low-pressure centrifugal fans are one of the most widely used fans for normal ventilation, high-temperature air transport, corrosion air transportation, etc with a slight adjustment in materials.