The centrifugal duct fan listed here carries power source type Corded Electric, blade material Aluminum Alloy, documented exactly as the manufacturer publishes it. Made by Shandong Zhongse Heavy Industry Co., Ltd. (1 year on the platform, typical reply ≤9h). For a binding price and lead time, send the volume you need and where it ships to.
Key Features of This Centrifugal Duct Fan
- Model Number: 4-72
- Power Source Type: Corded Electric
- Power (KW): 2.2kW-250kW
- Voltage: 415V, 440 V, 480V, 460V, 400 V, 380 V, 260 V, 220-240V
- Material: Cast Iron, Aluminum, Metal, Stainless Steel
- Blade Material: Aluminum Alloy
Technical Specifications
| Duct Diameter | 12 in, 10 in, 20 in, 14 in, 16 in, 18 in |
|---|---|
| Mounting | Duct Fan |
| Voltage | 415V, 440 V, 480V, 460V, 400 V, 380 V, 260 V, 220-240V |
| Motor Type | DC Motor, Induction Motor |
| Speed | 1500 RPM, 900rpm, 1 000 RPM, 3 000 RPM, 3500rpm, 700rpm |
| Material | Cast Iron, Aluminum, Metal, Stainless Steel |
| Blade Material | Aluminum Alloy |
| Power Source Type | Corded Electric |
| Warranty | 1 Year |
| After-Sales Service Provided | Online support |
| Customized Support | OEM, ODM |
| Noise Level | 40 dB and above |
| Place Of Origin | Shandong, China |
| Brand Name | Zhongse |
| Model Number | 4-72 |
| Power (KW) | 2.2kW-250kW |
| Rotating Speed (R/Min) | 740-2900 |
| Air Volume (M3/H) | 824-42000 |
| Pressure (Pa) | 3500-15000 |
| Color | Red/white/grey/yellow/blue/customized |
| Package | Wooden case |
| Core Components | Motor |
| Selling Units | Single item |
Product Details
The 4-72 Industrial Centrifugal Duct Fan is specially designed for rice mill processing lines, including rice whitener, husker, polisher, and grain cleaning machines. Built with a high-efficiency impeller and strong airflow output, this fan ensures stable suction, smooth material flow, and reliable dust extraction inside the milling system.
Driven by a powerful 15 kW motor, the 4-72 series provides consistent pressure performance, low vibration, and long service life. It can operate on AC 220V/380V, making it suitable for a wide range of industrial installations and international markets.
Manufactured with precision welding, balanced impellers, and a durable steel housing, this centrifugal fan is ideal for continuous heavy-duty operation in rice mills, grain processing plants, and agricultural production facilities.
Key Features
-
High Efficiency Airflow
Strong suction and smooth duct ventilation for rice whitener, husker, and polisher machines. -
Durable Heavy-Duty Design
Reinforced steel housing, precision balancing, and industrial-grade bearings. -
15 kW Industrial Motor
Provides stable pressure output for long-hour continuous operation. -
220V / 380V AC Compatibility
Suitable for domestic or export installations with different voltage requirements. -
Low Noise & Low Vibration
Optimized impeller reduces noise while maintaining airflow efficiency. -
Wide Application in Rice Mills
Supports dust removal, material conveying, and internal airflow stabilization. -
Easy Installation & Maintenance
Designed for quick mounting on milling systems and duct pipelines.
Q. What's the information should I provide when inquiry?
A: Flow rate&Air Volume
B: Pressure
C: Purpose
D: Use environment(Temperature, atmospheric pressure)
Or other specials you give us will be more appreciated.
Q. What is your warranty?
A.Our warranty is 12 months after received the centrifugal fans. During the warranty period, replace the damaged parts for free of charge. Out warranty period, to provide timely, high-quality technical services and price concessions spare parts to ensure.
continuous safe and high-quality equipment operation.
Q. How does your factory control product quality?
A.We have quality inspection department. All blowers are running more than 3 hour before delivery to test the quality. If there is quality problem, we will produce new one.
Q. What are your terms of payment?
A. TT 30% AS THE ADVANCE PAYMENT AND TT 70% AFTER INSPECTION BEFORE SHIPPING.
B. 100% IRREVOCABLE L/C AT STGHT.
Q. What products do you produce?
A. Centrifugal fan, tunnel fan, axial fan, jet fan, mining fan, exhaust fan,anti-corrosion blower, high pressure blower, explosion proof fan, etc, welcome to contact us to learn more details.
Q. Where is your factory? Can i visit your factory?
A. Our factory is located in Zibo, Shandong, welcome to visit our factory.
Q. What is the time of loading?
A. 5-7 days.
Q. Is the product customized?
A. Various types can be customized.
Ordering and Pricing
- Minimum order quantity: 1 set
- Volume pricing:
- 1–4 set: US $3899 / set
- 5+ set: US $3849 / set
- Ships from: China
- Customization: OEM and ODM accepted on qualifying volumes.
Frequently Asked Questions
What is the minimum order quantity for this centrifugal duct fan?
The standard minimum order quantity is 1 set. Trial orders can usually be arranged for buyers evaluating the product before a full production run.
What warranty is provided?
The manufacturer provides a 1 Year warranty. Spare parts and technical support remain available after the warranty period.
Can the centrifugal duct fan be supplied for my local voltage?
The standard configuration is 415V, 440 V, 480V, 460V, 400 V, 380 V, 260 V, 220-240V. Alternative voltage and frequency builds are available when specified at the time of order.
Do you accept OEM or custom branding?
Yes. Custom logo, colour, packaging and specification changes are accepted on qualifying order volumes. Send your artwork and technical requirements with your enquiry.
How long does production and delivery take?
In-stock configurations typically ship within 7–15 days. Customised or large-volume orders are usually produced in 25–35 days, confirmed on order.
About the Manufacturer
This product is produced by Shandong Zhongse Heavy Industry Co., Ltd., based in China. The company 1 years as a verified Alibaba.com supplier, Trading Company. Browse the full Shandong Zhongse Heavy Industry Co., Ltd. range on HVACR Nexus.
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