4-72 Series 250kw Compact Axial Fume Extraction Fan for Factory Ventilation

• Customization: Available
• Application: Ventilation Fan
• Type: Mine Fan
• Model NO.: 4-72
• Phase: Three
• Operation Condition: Indoor
• Usage: Protection
• Winding Form: Single Layer & Tightly Wound Type
• Insulating Medium: Epoxy Resin
• Installation: Extension Type
• Magnetic Circuit Structure: Combined Type
• Voltage Transformation Principle: Electromagnetic Type
• Life Time: 40000h+
• Type of Protection: IP55 / IP65
• Rotor: Electrophoresis
• After-Sales Service Provided: Online
• Color: Green, Red, Blue, Yellow, Purple, Silver etc.
• Transport Package: Wooden Packing
• Specification: Different models, different sizes
• Trademark: HNDING
• Origin: Shandong, China
• HS Code: 8414593000
• Production Capacity: 10, 0000 Units/Year
• Package Size: 700.00cm * 450.00cm * 560.00cm
• Package Gross Weight: 870.000kg

Product Description

4-72 Series 250kW Compact Axial Fume Extraction Fan for Factory Ventilation

Enhance air quality and ensure safe working conditions with our 4-72 Series 250kW Compact Axial Fume Extraction Fan, specifically engineered for large-scale industrial environments. Designed with performance, reliability, and space efficiency in mind, this powerful ventilation solution is ideal for factories, manufacturing plants, welding shops, chemical processing facilities, and other heavy-duty applications requiring continuous fume and smoke extraction.

Product Overview:
The 4-72 Series fan utilizes advanced axial flow technology to deliver high air volume with exceptional energy efficiency. Featuring a 250kW high-performance motor, this compact yet robust system ensures optimal airflow rates and stable operation even under demanding conditions. Its modular structure and compact design make installation and maintenance straightforward, reducing downtime and maximizing operational productivity.

Technical Specifications:
Model: 4-72 Series Axial Flow Fan
Motor Power: 250kW
Fan Type: Axial flow, direct drive
Material: Carbon steel / stainless steel options
Voltage: 380V / 415V, 3-phase
Flow Rate Range: Up to 250,000 m³/h (varies by model size)
Pressure Range: Medium static pressure
Mounting Type: Floor Mounted
Optional Features: Frequency inverter, silencer, explosion-proof motor, corrosion-resistant coating

Why Choose the 4-72 Series 250kW Axial Fan?
With an excellent balance between performance, durability, and energy efficiency, the 4-72 Series fume extraction fan offers a reliable and economical solution for industrial air ventilation. Whether for handling welding fumes, heat, or hazardous gases, this unit provides a safer and cleaner working environment for your factory operations.

Specification

Applications

- Factory and industrial shop ventilation
- Smoke and fume extraction in metalworking and welding facilities
- Chemical and pharmaceutical plant ventilation
- Exhaust systems in textile and food processing plants
- Combustion air supply and HVAC support in manufacturing units

Key Configurations

High-Power Performance: Equipped with a 250kW motor, the fan delivers strong airflow capable of handling extensive air volume demands across wide areas.
Axial Flow Design: The fan blades are aerodynamically optimized to maintain a high flow rate with low energy consumption and minimal turbulence.
Compact & Space-Saving: Engineered for limited-space installations, the compact design allows for flexible mounting in tight areas without sacrificing power.
Heavy-Duty Construction: Built with corrosion-resistant materials and precision engineering, the fan withstands harsh environments, high temperatures, and chemically active fumes.
Noise Reduction: Integrated noise control features such as blade balancing and vibration damping reduce operational noise for a quieter workspace.
Continuous Operation: Designed for 24/7 industrial use with thermal overload protection and long-lasting bearing systems to ensure stable, uninterrupted service.

Right elevation

Left elevation

Front elevation

Technical Specifications

(Custom configurations available upon request.)

4-72 centrifugal fan performance table
Machine Number	Rotating Speed r/min	Flow m3/h	Full Pressure Pa	Full Pressure %	Full Pressure KW	Required power KW	Electric motor
							Model	Power kw
3.2A	2900	1688	1300	69.3	0.88	1.23	Y90L-2 (B35)	2.2
		1955	1263	73.2	0.93	1.31
		2209	1220	75.5	0.99	1.38
		2476	1160	76.8	1.03	1.34
		2729	1091	76.9	1.07	1.39
		2996	1006	75.6	1.1	1.43
		3250	918	73.2	1.13	1.47
		3517	792	69.3	1.11	1.45
4A	2900	4012	2014	77	2.89	3.47	Y132S1-2 (B35)	5.5
		4506	1969	80.3	3.05	3.66
		4973	1915	82.5	3.18	3.82
		5468	1830	84.1	3.28	3.94
		5962	1723	84.6	3.35	4.02
		6457	1606	83.7	3.42	4.11
		6924	1459	81.4	3.43	4.11
		7419	1320	77.5	3.49	4.19
4.5A	2900	5712	2554	77	5.21	6	Y132S2-2(B35)	7.5

Drawings & Dimensions

Detailed CAD drawings and dimensional diagrams are available for download here or upon inquiry. Our engineering team can provide tailored designs to meet specific project requirements.

After Sales Service

Standard Warranty: 18 months or 5,000 operating hours (whichever comes first).
Extended Warranty: Optional coverage up to 36 months.
Global Support: 24/7 technical assistance and spare parts supply.
Training: On-site or remote operation/maintenance training.

Company Profile

Zibo HengDing Fan Co., Ltd.

Zibo Hengding Fan Co., Ltd. is located in Industrial Park, Beijiao Town, Zhoucun District, Zibo City, Shandong Province, China. The company covers an area of 12,000 square meters and a construction area of 8,000 square meters. The company has total assets of 32 million RMB and 186 employees, 46 engineers, and technicians. It has passed ISO9001 quality management system certification and has maintained long-term technical cooperation relationships with many colleges and universities, such as Xi'an Jiaotong University, Tianjin Nankai University, and so on. Now, it has developed into a modern ventilation equipment manufacturing enterprise with first-class testing and producing equipment, high-quality and excellent production molds, strong scientific research and development strength, a strict quality management system, and gradually perfected development. The company has 18 years of production experience, with an annual output of 7,000 sets of ventilators.

Why chose us?

Other Products

 Zero Ignition Risk – Non-sparking materials and hermetically sealed motor.
Global Compliance – Meets ATEX (EU), IECEx (global), and MSHA (US) standards.
Rugged Durability – Withstands high humidity, corrosive gases, and vibrations.
 Custom Configurations – Adjust size, airflow, voltage, and control systems (VFD/IoT).
 3-Year Warranty – Backed by 24/7 technical support.

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FAQ

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Q: What's the lead time for orders?
A: Standard models ship in 5–10 days; customized units require 10–30 days.

Q: Do you provide after-sales service overseas?
A: Yes, we have partnered service centers in key regions.

Q: Can I request a customized bucket size?
A: Absolutely! We offer tailored attachments.

Q: What documents do you provide for export?
A: Full export package (Commercial Invoice, Packing List, Bill of Lading, COC, etc.).

Q: How do I place an order?
A: Contact us via email/phone for a quote, then confirm with a PO.