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4-72 Stainless Steel Belt-Driven Centrifugal Fan

The 4-72 stainless steel belt-driven centrifugal fan offers outstanding corrosion resistance and durability, thanks to its high-quality stainless steel construction. It is ideal for handling moist, corrosive, or chemically aggressive air streams commonly found in chemical plants, electroplating facilities, food processing areas, and laboratory ventilation systems. The belt-driven design allows for flexible speed adjustment by changing the pulley ratio, enabling precise control of airflow and static pressure to match specific application requirements. Additionally, the fan operates with relatively low noise and vibration levels, and its robust structure ensures long service life and reliable performance even under continuous heavy-duty operation. The movable base with casters (as shown in the image) further enhances convenience for on-site positioning and maintenance.

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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
3.2A	1450	324~198	844~1758	1.1
3.6A	2900	1578~989	2664~5268	3
3.6A	1450	393~247	1332~2634	1.1
4A	2900	2014~1320	4012~7419	5.5
4A	1450	501~329	2006~3709	1.1
45A	2900	2554~1673	5712~10562	7.5
45A	1450	634~416	2856~5281	1.1
5A	2900	3187~2019	7728~15455	15
5A	1450	790~502	3864~7728	2.2
6A	1450	1139~724	6677~13353	4
6A	960	498~317	4420~8841	1.5
6D	1450	1139~724	6677~13353	4
6D	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
12D	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

Key Features & Benefits

Outstanding Energy Efficiency, Reduced Operating Costs
The aerodynamically optimized impeller and volute casing achieve higher airflow and pressure with the same power input, saving up to 15%–20% energy compared to conventional models.
The direct-driven structure ensures nearly 100% transmission efficiency, eliminating energy loss associated with belt drives.
Robust and Durable, Built for Industrial Environments
Core components are made of stainless steel or hot-dip galvanized steel, offering excellent corrosion and high-temperature resistance (up to 300°C).
Fully welded frame and heavy-duty base ensure structural integrity and stability under continuous operation and vibration.
Reliable and Stable Operation, Minimal Maintenance Required
Precision dynamic balancing of the motor and impeller ensures smooth operation, low vibration, and low noise (typically below 75 dB(A)), extending the lifespan of bearings and the motor.
The direct-driven design eliminates wear-prone parts such as belts and pulleys, reducing routine maintenance to a minimum.
Highly Adaptable, Meeting Diverse Needs
Supports in-depth customization: available in different materials, explosion-proof ratings, inlet/outlet orientations, and motor frequencies/voltages (50Hz/60Hz).
Widely used in various industrial applications, including workshop ventilation, dust collection, fume extraction, material conveying, and process cooling.
Value Assurance from a Professional Manufacturer
With over 20 years of experience as a specialized manufacturer, we offer competitive factory-direct pricing, eliminating additional costs from intermediaries.
Strict quality control from design to production and testing ensures each unit meets specified performance standards, backed by comprehensive technical support and warranty services.

Why Choose Our Industrial Centrifugal Fan?

✅ Superior Corrosion Resistance – Crafted from high-grade stainless steel, this Industrial Centrifugal Fan excels in humid, chemical, and washdown environments, ensuring exceptional longevity.

✅ Energy Efficient Operation – Aerodynamically optimized for maximum airflow with minimal power consumption, reducing your long-term operating costs.

✅ Quiet & Reliable Performance – Engineered for low-noise operation, ensuring smooth and stable ventilation for a productive workspace.

✅ Hygienic & Easy to Maintain – The smooth, non-porous surface of the Industrial Centrifugal Fan prevents contamination buildup and allows for easy cleaning, meeting strict sanitary standards.

✅ Direct Factory Pricing – As a specialized manufacturer, we offer competitive pricing for the Industrial Centrifugal Fan with no compromise on quality or durability.

Get Your Custom Quote Today

As a trusted supplier and manufacturer of industrial ventilation solutions, we provide tailored Industrial Centrifugal Fan configurations to meet your specific static pressure, temperature, and dimensional needs. Contact us for a detailed quote and discuss your project requirements.

We ensure reliable performance, timely delivery, and comprehensive after-sales support for your Industrial Centrifugal Fan system.

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