4-72 Centrifugal Fan
High-Efficiency 4-72 Centrifugal Fan – The Ultimate Solution for Industrial Ventilation
Upgrade your HVAC system with the 4-72 Industrial Centrifugal Fan, engineered for peak performance and efficiency. Whether you need to ventilate a large theater, clear dust in a mining operation, or circulate air in a commercial complex, this fan delivers unmatched reliability.
Unlike ordinary fans, the 4-72 modelatures an optimized de fesign that drastically reduces noise while maintaining high static pressure and impressive flow rates. Built with durability in mind, it withstands continuous heavy-duty use. For hazardous environments, our specialized B4-72 variant comes equipped with explosion-proof motors, ensuring safe operation even when handling flammable gases.
Key Benefits:
✅ Efficiency: Cuts down on energy bills.
✅ Quiet: Ideal for noise-sensitive applications.
✅ Tough: Heavy-duty construction for 24/7 operation.
✅ Safe: Certified for explosive and toxic gas ventilation.
Parameter | Specification |
Airflow Capacity | 844-221730m³/h |
Static Pressure | 220-3187(pa) |
Motor Type | Belt-drive (Optional) |
Impeller Type | arc-shaped blades |
Dynamic Balancing | AMCA G2.5 Standard |
Protection Grade | IP44 (Standard) / Higher grades optional |
Product Details
Standard Models & Customization Services
The performance data below represents our standard model series. However, as a specialist manufacturer, we understand that every project is unique.
We offer comprehensive custom solutions tailored to your exact specifications.
| Model No. | Speed(rpm) | Pressure(Pa) | Airflow(m³/h) | Power(kw) |
| 2.8A | 2900 | 994~606 | 1131~2356 | 15 |
| 3.2A | 2900 | 1300~792 | 1688~3517 | 2.2 |
| 1450 | 324~198 | 844~1758 | 1.1 | |
| 3.6A | 2900 | 1578~989 | 2664~5268 | 3 |
| 1450 | 393~247 | 1332~2634 | 1.1 | |
| 4A | 2900 | 2014~1320 | 4012~7419 | 5.5 |
| 1450 | 501~329 | 2006~3709 | 1.1 | |
| 45A | 2900 | 2554~1673 | 5712~10562 | 7.5 |
| 1450 | 634~416 | 2856~5281 | 1.1 | |
| 5A | 2900 | 3187~2019 | 7728~15455 | 15 |
| 1450 | 790~502 | 3864~7728 | 2.2 | |
| 6A | 1450 | 1139~724 | 6677~13353 | 4 |
| 960 | 498~317 | 4420~8841 | 1.5 | |
| 6D | 1450 | 1139~724 | 6677~13353 | 4 |
| 960 | 498~317 | 4420~8841 | 1.5 | |
| 8D | 1450 | 2032~1490 | 15826~29344 | 18.5 |
| 960 | 887~651 | 10478~19428 | 5.5 | |
| 730 | 512~376 | 7968~14773 | 3 | |
| 10D | 1450 | 3202~2532 | 40441~56605 | 55 |
| 960 | 1395~1104 | 26775~37476 | 18.5 | |
| 730 | 805~637 | 20360~28497 | 7.5 | |
| 12D | 960 | 2013~1593 | 46267~64759 | 45 |
| 730 | 1160~919 | 35182~49244 | 18.5 | |
| 6C | 2240 | 2734~1733 | 10314~20628 | 15 |
| 2000 | 2176~1380 | 9209~18418 | 11 | |
| 1800 | 1760~1116 | 8288~16576 | 7.5 | |
| 1600 | 1389~881 | 7367~14734 | 5.5 | |
| 1250 | 846~537 | 5756~11511 | 3 | |
| 1120 | 679~431 | 5157~10314 | 2.2 | |
| 1000 | 541~344 | 4605~9209 | 2.2 | |
| 900 | 438~278 | 4144~8288 | 1.5 | |
| 800 | 346~220 | 3684~7367 | 1.1 | |
| 8C | 1800 | 3143~2302 | 19646~36427 | 30、37 |
| 1600 | 2478~1816 | 17463~32380 | 22、30 | |
| 1250 | 1507~1106 | 13643~25297 | 11 | |
| 1120 | 1209-887 | 12224~22666 | 7.5、11 | |
| 1000 | 963~707 | 10914~20237 | 5.5、7.5 | |
| 900 | 779~572 | 9823~18213 | 4、5.5 | |
| 800 | 615~452 | 8732~16190 | 3 | |
| 710 | 485~356 | 7749~14368 | 2.2、3 | |
| 630 | 381~280 | 6876~12749 | 2.2 | |
| 12C | 1120 | 2746~2172 | 53979~75552 | 75 |
| 1000 | 2185~1729 | 48195~67457 | 45、55 | |
| 900 | 1767~1399 | 43375~60712 | 37 | |
| 800 | 1395~1104 | 38556~53966 | 22、30 | |
| 710 | 1097~869 | 34218~47895 | 18.5 | |
| 630 | 863~684 | 30362~42498 | 15 | |
| 560 | 682~540 | 26989~37776 | 7.5、11 | |
| 500 | 543~430 | 24097~33728 | 7.5 | |
| 450 | 440~348 | 21687~30356 | 4、5.5 | |
| 400 | 347~275 | 19278~26983 | 3 | |
| 16B | 900 | 3157~2497 | 102810~143910 | 132、160 |
| 800 | 2489~1969 | 91392~137920 | 110 | |
| 710 | 1957~1549 | 81110~113520 | 75 | |
| 630 | 1538~1218 | 71971~100730 | 55 | |
| 560 | 1214~961 | 63974~89544 | 37 | |
| 500 | 967~766 | 57120~79950 | 30 | |
| 450 | 783~620 | 51408~71955 | 18.5 | |
| 400 | 618~490 | 45696~63960 | 15 | |
| 355 | 487~386 | 40555~56764 | 11 | |
| 315 | 383~303 | 35985~50368 | 7.5 | |
| 20B | 710 | 3069~2427 | 158410~221730 | 220 |
| 630 | 2411~1908 | 140560~196750 | 160 | |
| 560 | 1902~1505 | 124950~174890 | 110 | |
| 500 | 1514~1199 | 111560~156150 | 75 | |
| 450 | 1225~970 | 100400~140530 | 55 | |
| 400 | 967~766 | 89250~124920 | 37 | |
| 355 | 761~603 | 79209~110860 | 30 | |
| 315 | 599~475 | 70284~98376 | 22 | |
| 280 | 473~375 | 62475~87445 | 15 | |
| 250 | 377~299 | 55781~78076 | 11 |
Show only some parameters
Our Service
Engineering & Consultation
·Connect with our senior engineers for system planning and technical advice tailored to your project specs.
·Get full technical packs: catalogs, CAD drawings, performance curves, and manual sets for precise selection.
· Receive customdesigned ventilation solutions optimized for your space, load, and budget.
Showcase & Verification
· Schedule a plant tour to see our production lines and inspect build quality up close.
· View interactive 3D models and VR walkthroughs of key products before ordering.
· Review lab test reports and field performance data—all validated against international standards.
Setup & Commissioning
· Follow clear installation guides with layout drawings, foundation specs, and tool lists.
· Get live remote support or onsite engineer dispatch for complex installations.
Reliability & Maintenance
· Count on extended technical support and genuine spare parts for longterm uptime.
· Reach our 24/7 hotline for emergency repairs and fast troubleshooting.
Care Programs & Training
· Enjoy scheduled site visits (warranty phase) and annual remote checkins postwarranty.
· Receive tailored maintenance plans based on runtime, duty cycle, and environment.
· Join online operator training and access our tech portal—we reply within 24hrs.
FAQ
Q: Are you a factory or reseller?
A: We operate our own 70,000m² manufacturing base, producing central airconditioning hosts, fireproof ducts, louvers, valves, fan coils, and blowers.
Q: Can you do OEM/custom builds?
A: Yes—our engineering team handles custom orders and provides designformanufacturability feedback on client drawings.
Start Your Project
Contact our engineering team for a free consultation and a detailed, custom quotation.
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