High Air Pressure Steel Centrifugal Fan 4-72 Type For Industrial HVAC Duct Systems
4-72 Type A Series Stainless Steel/Carbon Steel Centrifugal Fan
The 4-72 Type A Series Centrifugal Fan is a high-efficiency, general-purpose ventilation unit designed for various industrial and commercial applications. Available in carbon steel or stainless steel construction, it offers reliable performance, high efficiency, and low noise.
4-72 Model Features
Material & Structural Properties
· The fan body is available in carbon steel or stainless steel, providing durability and corrosion resistance for different environments.
· High-efficiency backward-curved impeller design for optimal airflow and pressure.
· Robust construction with a rigid base for stable operation.
· A design allows for direct drive (Type A) configurations, depending on the model.
Core Advantages
· High Efficiency & Performance: The 4-72 design is known for its high efficiency, delivering powerful airflow and static pressure with minimal energy consumption.
· Versatile Construction: Carbon steel models are suitable for general ventilation, while stainless steel models are ideal for corrosive environments.
· Low Noise & Vibration: Optimized impeller design ensures quiet, stable operation.
· Wide Application: Suitable for a variety of applications, including ventilation, air conditioning, and industrial exhaust systems.
Transport Medium Restriction
The fan is designed for handling clean air or non-corrosive, non-flammable gases. The gas temperature must be ≤80°C, and the concentration of dust and hard particles must not exceed 150mg/m³.
Model Selection
The series includes models from 2.8A to 7A, with power ratings ranging from 1.1kW to 11kW and speeds from 1420 to 2930r/min.
| Model | Power(kW) | Rotation(r/min) | Air Flow(m³/h) | Total Pressure(Pa) |
|---|---|---|---|---|
| 2.8A | 1.1 / 1.5 | 2800 / 2800 | 1224~2408 / 1131~2536 | 963~596 / 994~606 |
| 3.2A | 1.5 / 2.2 | 2900 / 2900 | 1527~3383 / 1688~3517 | 1205~648 / 1300~792 |
| 3.6A | 2.2 / 3 | 2900 / 2900 | 2436~5042 / 2664~5268 | 1552~1086 / 1578~989 |
| 4A | 4 / 5.5 | 2900 / 2900 | 3669~6988 / 4012~7419 | 2105~1275 / 2014~1320 |
| 4.5A | 7.5 | 2900 | 5712~10562 | 2554~1673 |
| 5A | 2.2 / 11 / 15 | 1420 / 2900 / 2930 | 3864~7728 / 7446~13821 / 7728~15455 | 790~502 / 3043~1779 / 3187~2019 |
| 5.6A | 3 / 22 | 1420 / 2930 | 5009~12736 / 10122~25736 | 1017~570 / 4152~2330 |
| 6A | 4 / 5.5 | 1450 / 1450 | 6677~13353 / 7010~14021 | 1139~724 / 1253~796 |
| 7A | 11 | 1450 | 10602~21204 | 1550~984 |
A1: It is a general-purpose centrifugal fan suitable for ventilation, air conditioning, and industrial exhaust systems in various environments.
A2: The fan is available in carbon steel for general applications or stainless steel for corrosive environments.
A3: Type A is direct drive, where the impeller is directly connected to the motor shaft. Type C is belt drive, where the motor is connected via a belt and pulley system, allowing for different speed options.
A4: The maximum gas temperature is 80°C.
A5: Yes, but the dust concentration must not exceed 150mg/m³.
A6: Yes, it is designed for 24/7 continuous operation with low noise and vibration.
A7: Select based on your required airflow (m³/h) and static pressure (Pa). Our technical team can help you choose the best model based on your specific application.
A8: The belt drive allows for different speed options, making it more flexible for various airflow and pressure requirements.
A9: Yes, it comes with a standard base for floor mounting, and installation is straightforward.
A10: Each unit includes a detailed installation and operation manual, and we offer full after-sales technical support.
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