Featuring EX-rated explosion-proof motors, high-temperature endurance, and anti-corrosive treatments, our fans guarantee safe, continuous operation. The precision-balanced impellers are aerodynamically optimized for stable, low-noise performance across all heavy-duty applications.
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Inside these downloadable PDF brochures, you will find precise aerodynamic performance curves (PQ curves), exact dimensional drawings, wiring diagrams, and acoustic data to help you select the optimal airflow solution for your HVAC or industrial project.
Industrial axial fan is typically installed in industrial applications such as power supplies, control cabinets, measurement equipment, etc. As an electromechanical device, it enables air to flow along the axis of the fan, providing excellent heat dissipation performance and preventing equipment from shutting down due to excessively high temperatures.
Combining energy saving and high air volume, industrial axial fan is a very reliable ventilation solution. It can achieve an air flow of 150,000 m³/h and still maintain an IE3 energy efficiency standard. Its compact structure ensures efficient gas transportation even when embedded in systems.
Thanks to its high air volume and high-efficiency exhaust characteristics, industrial axial fan is widely used in various industrial and commercial scenarios that require large-scale air circulation and strict environmental control, such as factory workshops, warehousing and logistics, chemical processing plants, mining areas, underground tunnels, and other application fields.
EX-FS / EX-WFS Explosion-Proof Oscillating Fan150m³/min-290³/min220 V1450RPMView & Inquire
LONGWELL 185mm AC Axial Fan, Industrial Axial Ventilation Fan, 230V, Stainless Steel, for Cold Storage, Air Purifiers, HVAC Systems230V2500rpmNSK ball bearingView & Inquire
LONGWELL 190mm AC Axial Fan, Industrial Axial Ventilation Fan, 220/380V, 1500 m³/h Airflow – LWA-200S190 mm1500-2100 m³/h220/380 VDatasheet, curve & drawing →
LONGWELL 200mm AC Axial Fan, Industrial Axial Ventilation Fan, 110/120V, 1300 m³/h Airflow – LWA-200200 mm1300 m³/h110-120/220-240 VDatasheet, curve & drawing →
LONGWELL 200mm AC Axial Fan, Industrial Axial Ventilation Fan, for Cold Storage, Air Purifiers, Control Cabinet CoolingView & Inquire
LONGWELL 200mm DC Axial Fan, Industrial Axial Ventilation Fan, 120V, for Air Curtains, HVAC Systems – LW-200MM120VView & Inquire
LONGWELL 240mm AC Axial Fan, Industrial Axial Ventilation Fan, 220/380V, 2700 m³/h Airflow – LWA-250S240 mm2700-3300 m³/h220/380 VDatasheet, curve & drawing →
LONGWELL 250mm AC Axial Fan, Industrial Axial Ventilation Fan, 110/120V, 2100 m³/h Airflow – LWA-250250 mm2100 m³/h110-120/220-240 VDatasheet, curve & drawing →
LONGWELL 250mm AC Axial Fan, Industrial Axial Ventilation Fan, for Cold Storage, Air Purifiers, HVAC SystemsView & Inquire
LONGWELL 280mm AC Axial Fan, Industrial Axial Ventilation Fan, 220/380V, 1605 m³/h Airflow – LWEA280S280 mm1605 m³/h220/380 VDatasheet, curve & drawing →
LONGWELL 280mm AC Axial Fan, Industrial Axial Ventilation Fan, 220/380V, 3202 m³/h Airflow – LWEA280S280 mm3202 m³/h220/380 VDatasheet, curve & drawing →
LONGWELL 290mm AC Axial Fan, Industrial Axial Ventilation Fan, 220/380V, 3720 m³/h Airflow – LWA-300S290 mm3720-3300 m³/h220/380 VDatasheet, curve & drawing →Product certificates cover only the models listed on each document — ask which ones apply to your model. ISO certificates cover management systems, not products. Declaration of Conformity for your model and destination on request.
All document scans and what each coversSpecified and drawn by LONGWELL, built to our drawings by qualified partner factories, inspected and released to LONGWELL standards.
The streamlined axial layout drives air parallel to the shaft, maximizing airflow efficiency in tight installation spaces. Ideal for high-volume, low-pressure industrial requirements.
Manufactured from high-quality raw materials, this industrial axial fan features an IP55+ protection rating and offers outstanding corrosion resistance as well as resistance to mechanical wear.
A direct-drive central impeller eliminates transmission loss. Combined with optimized blade pitch, the fan moves massive air volumes with significantly lower power consumption.
Highly adaptable to specific ventilation or cooling needs. Options include unidirectional or fully reversible impellers, alongside multiple aerodynamic airfoil profiles.
Longwell is committed to delivering products that meet a variety of industry demands. Our high-temperature AC axial and cooling muffin fans boast the following essential features:
○ Blade Size:Our fans range in blade diameter from 25 mm to 900 mm, with standard options including 200 mm, 300 mm, 400 mm, 450 mm, 630 mm, 710 mm, 800 mm, and 900 mm.
○ Operating Voltage:Our fans work with a wide voltage range: 103 VAC to 126 VAC for 115V, 207 VAC to 253 VAC for 230V, and 365 VAC to 400 VAC for 380V.
○ Motor Type:We offer AC motors, BLDC, and EC motors to suit different needs.
○ Housing: Our fans are housed in a durable aluminum die-cast frame, which provides strength without adding unnecessary weight.
○ Impeller: We use high-strength iron for the impeller to ensure long-lasting performance.
○ Voltage Options: Our fans support 115 V, 230 V, and 380V power sources.
○ Bearings: Choose from models equipped with two ball bearings for smooth operation.
○ Termination Options:You can select either W-lead wire or T-terminal type wiring for flexibility.
○ Temperature Range: Ball bearings operate from -20℃ to +70℃, while sleeve bearings range from -10℃ to +55℃.
○ Life Expectancy: Ball bearings offer up to 60,000 hours of use at 60℃, while sleeve bearings last up to 20,000 hours at 45℃.
○ Dielectric Strength: Our fans can handle up to 1,500 VAC for one minute at 50/60Hz.
1. Core Architecture
Built for harsh environments, Longwell industrial axial fan mainly consists of an aerodynamic impeller, heavy-duty cylindrical casing, precision bearings, and a drive motor. The tubular casing acts as a guide to minimize air turbulence and maximize extraction efficiency.
2. The Aerodynamic Principle
The motor drives the pitched blades to rotate, creating a precise pressure differential. Air is drawn from the rear and propelled forward parallel to the motor axis. This mechanism is highly efficient for generating massive volumetric airflow against low-to-medium static pressure.
3. Advanced Motor Drives
We offer versatile motor integrations to meet specific facility requirements:
○ AC Motors: Robust and reliable for standard continuous duty.
○ DC Motors: Tailored for specialized or off-grid power systems.
○ EC Motors: Deliver maximum energy efficiency with smart speed control (0-10V/PWM).
○ Available in direct-drive for zero-maintenance or belt-drive for adjustable performance.
If you would like to learn more about how to select AC/DC/EC axial fans, please Click Here to read more.
Industrial axial fan has been a trusted solution in a wide variety of applications for years. It works by drawing air along their axis, creating high flow rates at lower pressures, making it perfect for industrial settings.
At Longwell, we’re proud to be a leading manufacturer of AC axial and muffin fans, which are commonly used in electronic cooling, OEM equipment, and industrial systems. We offer an extensive range of sizes, including customizable options such as high-temperature and ultra-quiet models.
Our industrial axial fan is trusted for several key reasons:
○ High Flow Rate: Perfect for cooling large spaces and industrial equipment.
○ Efficiency and Easy Assembly: Easy to install and offers high efficiency and fast speeds.
○ Flexible Power Options: Our fans can be powered by DC sources like solar panels or batteries for added versatility.
With our extensive experience and engineering expertise, Longwell works closely with clients to design custom cooling solutions that meet their specific needs. The versatility of our axial fans is one of their greatest strengths, making them suitable for a wide variety of applications.
From greenhouses to garages, chicken coops to metal buildings, our fans can keep spaces cool in many different settings. Whether it’s a kitchen, washroom, or work area where ventilation is key, our fans maintain a fresh atmosphere and the perfect temperature. They are also ideal for workshops, restaurants, and large warehouses.
Designed for reliable high-volume airflow across major industrial, HVAC, and refrigeration applications, ensuring robust performance under demanding operational conditions.
The role of industrial axial fan in the cooling process of the condenser is to steadily convey air onto the fins of the condenser heat exchanger. The heat of the gaseous refrigerant continuously decreases and is cooled to a degree sufficient for condensation.
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With compact design, efficient EC motor and thermal stability, our industrial axial fan is integrated with a heat pump. It can provide stable airflow under low static pressure and in different temperature environments.
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The fans in the data center must operate continuously 24 hours and maintain low noise levels. Longwell high-volume industrial axial fan can achieve precise air flow control and distribution, thereby reducing the operating costs of the data center.
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Industrial axial fan is of vital importance in cold storage, refrigerated transportation, and food processing plants. It helps achieve uniform temperature distribution, thereby maintaining product integrity and ensuring compliance with safety standards.
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The vending machine needs to have a cooling function to ensure the freshness of beverages and snacks. The limited space of the machine requires the fan to be compact, continuous and efficient. Our industrial axial fan perfectly meets the requirements.
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Industrial axial fan can achieve rapid cooling by efficiently transporting air. It effectively maintains the cooling of the generator, slow down the wear of the insulation layer, thereby enabling it to operate normally and extending its service life.
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The working principle of air compressor is to compress gas or steam. During this process, the increase in pressure causes the gas to heat up. Therefore, industrial axial fan is an essential tool to control the gas compressor within a reasonable temperature range.
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During the operation of diesel engines, a large amount of heat is generated. To prevent machine failures caused by excessive temperature, industrial axial fan is needed to cool the radiators. You can adjust the blade inclination angle to change the airflow, better meet the requirements.
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As the core component of the snow-making machines, the industrial axial fan is highly durable and efficient, capable of withstanding cold and humid environments. It significantly enhances the working efficiency of the snow-making machine and is an excellent choice for ski resorts.
Learn MoreTo select the correct fan, you need to calculate the total volume of your space and determine the required air changes per hour (ACH) based on your industry standards. You must also account for the static pressure (resistance) created by ducts, filters, or louvers. Send us your space dimensions and application type, and our engineers will provide a precise aerodynamic calculation and model recommendation.
Yes. For harsh environments, we upgrade standard models with high-temp resistant bearings and specialized anti-corrosive coatings (or FRP/stainless steel materials). If your facility handles flammable gases, we supply EX-rated explosion-proof motors and spark-resistant aluminum impellers to ensure full compliance with industrial safety codes.
Direct-drive fans have the impeller mounted directly on the motor shaft. They are highly compact, offer slightly better energy efficiency, and require almost zero maintenance. Belt-drive fans allow you to easily adjust the RPM (and airflow) by changing the pulleys, and they keep the motor isolated from the main airstream—ideal if you are exhausting hot or contaminated air.
The most effective upgrade is to switch to EC (Electronically Commutated) motors. Unlike traditional AC motors that run at a fixed speed, EC motors allow you to precisely adjust the fan speed (via 0-10V or PWM signals) to match your real-time ventilation needs. This smart control significantly reduces power usage and operational costs over time.
No. Our fans are engineered for seamless integration. Duct-type models feature pre-drilled standard flanges for quick pipeline connection, while wall-mounted models come with sturdy, pre-assembled brackets. Maintenance is straightforward: the motors are sealed for life, and the heavy-duty casings are designed to provide easy access for routine blade inspections or cleaning.
