4-73 Series 210kw Energy-Efficient Low Noise Axial Fume Fan for Factory Exhaust Systems

• Customization: Available
• Application: Ventilation Fan
• Type: Mine Fan
• Model NO.: 4-73 Series
• 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: 1200.00cm * 800.00cm * 960.00cm
• Package Gross Weight: 1000.000kg

Product Description

4-73 Series 210kW Energy-Efficient Low Noise Axial Fume Fan for Factory Exhaust Systems

The 4-73 Series 210kW Energy-Efficient Low Noise Axial Fume Fan is engineered to deliver powerful ventilation performance with minimal noise output, making it the ideal solution for large-scale industrial exhaust applications. Designed with precision and built from high-quality materials, this axial flow fan ensures optimal airflow, energy savings, and long-term reliability in demanding factory environments.

Product Overview:
This fan series is designed specifically for high-volume fume extraction in manufacturing, chemical processing, metallurgy, power generation, and other heavy-duty industrial settings. With its 210kW high-efficiency motor, the 4-73 Series offers superior airflow capabilities while maintaining low operational noise, enhancing both air quality and workplace comfort.

Technical Specifications:
Series: 4-73 Axial Flow Fan
Motor Power: 210kW
Airflow Volume: Up to 200,000 m³/h (varies by model and application)
Pressure Range: Medium static pressure
Noise Level: Low noise (≤85 dB based on configuration)
Material: Carbon steel or stainless steel
Speed: 960–1450 RPM (optional)
Mounting: Wall-mounted, duct-mounted, or floor-supported
Voltage: 380V / 415V / 660V, 3-phase industrial standard
Certifications: ISO, CE (optional), explosion-proof grade available

Why Choose the 4-73 Series?
With a perfect balance of power, efficiency, and quiet operation, the 4-73 Series 210kW Axial Fume Fan ensures a healthier, safer, and more productive working environment. Whether you're dealing with intense factory fumes, high temperatures, or need consistent airflow over large spaces, this fan delivers top-tier industrial ventilation performance you can rely on.

Specification

Applications

- Factory fume and smoke exhaust systems
- Welding and metalworking ventilation
- Paint booth and chemical processing exhaust
- High-temperature heat extraction
- Dust-laden air removal in manufacturing plants
- General industrial ventilation and air renewal

Key Configurations

High Power & Airflow: The 210kW motor delivers strong and steady airflow, capable of exhausting large volumes of smoke, fumes, dust, or heat over wide factory areas.
Low Noise Design: Engineered with aerodynamically optimized blades and precision balancing, this fan minimizes noise and vibration, making it suitable for environments requiring reduced acoustic impact.
Energy-Efficient Performance: Designed with efficiency in mind, this axial fan consumes less energy without compromising performance, helping reduce operational costs over time.
Customizable Options: Available with explosion-proof motors, frequency inverters, silencers, and anti-corrosion coatings depending on site requirements.

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.