Description
Movable Low-Noise Axial Fan
A highly portable industrial ventilation solution equipped with universal casters and a high-efficiency aluminum alloy impeller. Designed to deliver powerful air circulation while remaining easy to move and safe to operate in active work areas.
Key Technical Features
Engineered for heavy-duty portability, low-noise efficiency, and robust structural safety.
High Airflow
High-efficiency axial impeller delivers powerful airflow to quickly remove smoke, heat, and dust.
Aluminum Impeller
Lightweight, high-strength aluminum alloy blades ensure excellent aerodynamics and stable air delivery.
Easy to Move
Equipped with smooth universal casters, allowing a single person to transport the fan to any location.
Safety Guard
Reinforced steel mesh prevents accidental contact with the impeller and blocks foreign objects.
Technical Specifications
LWSFM Series dimensional parameters and performance data.
Dimensions (mm)
| Model | Φ1 | Φ2 | L1 | L | G | H2 | H1 | H | Weight (kg) |
|---|---|---|---|---|---|---|---|---|---|
| LWSFM-3A | 370 | 312 | 270 | 271 | 420 | 215 | 290 | 470 | 10 |
| LWSFM-4A | 470 | 415 | 355 | 337 | 525 | 283 | 356 | 595 | 17 |
| LWSFM-5A | 570 | 515 | 355 | 350 | 625 | 330 | 423 | 710 | 22.3 |
| LWSFM-6A | 670 | 615 | 480 | 415 | 730 | 402 | 495 | 835 | 30 |
| LWSFM-7A | 810 | 715 | 595 | 540 | 830 | 480 | 575 | 985 | 39 |
| LWSFM-8A | 910 | 815 | 620 | 560 | 935 | 530 | 625 | 1085 | 50 |
Performance Data
| Model | Speed (r/min) | Power (kw-p) | Flow Rate (m³/h) | Total Pressure (pa) |
|---|---|---|---|---|
| LWSFM-3A-0.37-1-001 | 2900 | 0.37-2 | 3300 | 230 |
| LWSFM-3A-0.37-1-002 | 1450 | 0.15-4 | 2000 | 65 |
| LWSFM-4A-0.37-1-001 | 2900 | 1.1-2 | 8000 | 400 |
| LWSFM-4A-0.37-1-002 | 1450 | 0.55-4 | 5900 | 170 |
| LWSFM-5A-0.37-1-001 | 1450 | 0.75-4 | 9400 | 210 |
| LWSFM-6A-0.37-1-001 | 1450 | 2.2-4 | 18200 | 300 |
| LWSFM-7A-0.37-1-001 | 1450 | 3-4 | 24500 | 320 |
| LWSFM-8A-0.37-1-001 | 1450 | 4-4 | 29000 | 380 |
High Airflow Performance
The LWSFM series is engineered to combat poor air quality and high temperatures in demanding workspaces. Designed with a high-efficiency axial impeller, it delivers a powerful and directed stream of air.
This rapid air acceleration is crucial for quickly removing smoke, excess heat, airborne dust, and harmful gases, significantly improving the overall ventilation efficiency and comfort of your facility.
- High-efficiency axial impeller — Maximizes volumetric air output
- Accelerates air circulation — Effectively combats stagnant environments
- Rapid extraction — Quickly clears smoke, dust, and heat
Aluminum Alloy Impeller
To withstand continuous industrial operation, the fan utilizes an impeller manufactured from high-strength aluminum alloy. This material choice ensures a robust, lightweight structure.
The blades are aerodynamically optimized to cut through the air with minimal resistance, resulting in excellent aerodynamic performance, high-efficiency air delivery, and long-term stable operation without deformation.
- High-strength aluminum alloy — Resists bending and corrosion
- Lightweight profile — Reduces strain on the motor mechanism
- Stable operation — Dynamically balanced for vibration-free running
Portable & Easy to Move
Industrial ventilation needs are rarely static. The LWSFM addresses this by integrating a highly mobile, stable floor stand equipped with durable universal casters.
This intelligent design allows the heavy-duty fan to be easily pushed, repositioned, or transported by a single person. It is the ideal solution for temporary cooling or portable ventilation across varying workstations and warehouse zones.
- Universal casters — Smooth rolling across factory floors
- Single-person transport — Effortless relocation without heavy lifting
- Ideal for temporary needs — Adapts instantly to shifting work areas
Protective Safety Guard
When operating high-powered machinery at floor level, worker safety is paramount. The LWSFM is fitted with a reinforced steel safety guard that securely covers the intake and exhaust areas.
This dense mesh structure effectively prevents hands, loose clothing, or tools from making accidental contact with the spinning impeller, while simultaneously protecting the fan's internal components from large foreign objects.
- Reinforced steel construction — Impact-resistant protective barrier
- Prevents accidental contact — Ensures floor-level worker safety
- Protects internal parts — Stops debris from damaging the blades
Low Noise & Stable Operation
Despite its mobility and power, the LWSFM series is engineered to maintain a comfortable auditory environment. The optimized fan structure and precisely balanced impeller work together to mitigate mechanical resonance.
This significant reduction in vibration ensures incredibly smooth operation, keeping noise levels low even during long, demanding working hours on the factory floor or construction site.
- Optimized fan structure — Reduces internal mechanical resonance
- Vibration control — Ensures the unit remains stable while rolling
- Low noise output — Protects worker hearing during continuous use
Wide Industrial Applications
A versatile, highly mobile solution for targeted cooling and air circulation in demanding environments.
Factory Workshops
Rolls easily between production lines to provide instant, powerful exhaust for welding fumes or localized heat.
Warehouses
Easily repositioned along loading docks and long aisles to clear stuffy air and maintain comfort in storage zones.
Underground Spaces
Quickly tackles moisture and poor air quality by circulating fresh air into enclosed lower-level areas.
Underground Tunnels
Drives focused, high-speed airflow deep into transit tunnels and excavation sites to clear equipment exhaust.
Shipyards
Provides critical, mobile ventilation for welders and painters working inside deep ship hulls and dry docks.
Maintenance Areas
Quickly extracts chemical odors and fumes, providing a safe and breathable working environment for service teams.
Fire Rescue Ventilation
Rapidly clears dense smoke and hazardous gases from structures, improving visibility during emergency responses.
Confined Space Ventilation
Ensures a safe breathing atmosphere inside storage tanks, silos, and manholes prior to maintenance entry.
LONGWELL — Trusted Industrial Fan Manufacturer Since 1990
Founded in 1990 in Yuyao, Ningbo, LONGWELL has grown into a vertically integrated ventilation technology group. We engineer standard and explosion-proof fan and motor systems with 4,000 m²+ of manufacturing floor, dedicated aerodynamics labs, and a global export network.
Every LONGWELL fan is built on automated lines, featuring computer-balanced impellers and 100% run-testing before shipment. We are certified to ISO 9001:2015 and ISO 14001, ensuring the highest standards of safety and reliability for hazardous and industrial applications.
Production & Quality Control
Strict quality control, automated assembly, and robust packaging ensure your fans arrive ready for action.
Global Market Presence
LONGWELL exhaust fans are the preferred choice for EPC contractors and industrial clients worldwide.
Trusted by Leading Brands
We supply reliable industrial ventilation solutions to top-tier global manufacturers.
Professional & Certified
Our products meet stringent international safety, quality, and performance standards.
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View Product →Frequently Asked Questions
Quick answers about the LWSFM Movable Low-noise Axial Fan.
How easy is it to move the LWSFM fan?
The fan is designed for effortless mobility. It is equipped with universal casters on a stable frame, allowing it to be easily pushed and positioned by just one person, making it ideal for temporary ventilation needs.
What material is the impeller made from?
The impeller is manufactured from a high-strength aluminum alloy. This lightweight yet durable material ensures excellent aerodynamic performance, stable operation, and high-efficiency air delivery.
Is the fan safe to operate in busy work environments?
Yes, safety is prioritized. The LWSFM features a reinforced steel safety guard covering the blade area. This prevents accidental contact with the impeller and protects the fan's internal components from foreign objects.
What is the airflow capacity of this movable fan?
The LWSFM series covers a wide performance spectrum. Depending on the model (ranging from 312mm to 815mm in diameter), the airflow capacity spans from 2,000 m³/h up to 29,000 m³/h.
Does the fan operate quietly?
Absolutely. The optimized fan structure and precision-balanced aluminum impeller significantly reduce vibration, ensuring smooth and low-noise operation even during long, continuous working hours.
Need a Quote or Custom Specifications?
Tell us your airflow, static pressure, and facility requirements — our engineers will size the right LWSFM model and provide a quote within 1 business day.
