Product Description
Introducing the state-of-the-art 3m, 5m, 7.3m HVLS Type industrial ceiling fan, specifically crafted for expansive warehouse environments.
The FJDA series of ceiling fans by Fujian Diamond Electrical and Mechanical Equipment Co., Ltd. epitomizes innovation in energy conservation and environmental enhancement. Designed with an advanced permanent magnet frequency conversion system, these fans are engineered to optimize energy efficiency and elevate workplace comfort. Key features include a sleek, lightweight design, superior efficiency, remarkable energy savings, and minimal noise output. With sophisticated frequency control and an elegant aesthetic, these fans redefine modern industrial climate solutions.
Perfectly suited for industrial workshops, logistics hubs, waiting areas, exhibition centers, stadiums, and exceptionally tall spaces, our ceiling fans introduce a revolutionary approach to air ventilation and personal comfort. By propelling vast volumes of air downwards, these fans create a dynamic air layer movement at ground level, fostering holistic air circulation. Experience the gentle embrace of nature's breeze indoors, transforming your environment with the welcoming touch of natural wind.
Applications:
In expansive logistics warehouses and distribution centers, our fans enhance air quality, promote dehumidification, and provide cooling benefits. They play a crucial role in preventing rust and decay in stored items, while significantly elevating the overall working environment.
In vast industrial workshops, whether in mechanical processing, automotive repair, aircraft assembly, or shipbuilding, our fans are integral to improving ventilation efficiency and ensuring a superior working atmosphere.
Within bustling public buildings, such as shopping malls, stadiums, railway stations, and airports, our fans help maintain optimal air circulation, eradicate unpleasant odors, and establish a pleasantly comfortable environment for the public.
On large-scale farms, including dairy farms, feedlots, and hatcheries, effective ventilation is paramount. Our fans enhance air quality, mitigate moisture, eliminate odors, and play a vital role in reducing disease among livestock, ensuring a healthier, more productive environment.
Product Parameters
Model |
FJDA-3 |
FJDA-3.7 |
FJDA-4.3 |
FJDA-5 |
FJDA-6.1 |
FJDA-6.7 |
FJDA-7.3 |
FJDA-6.7 |
FJD-7.3 |
Diameter |
3m/10ft |
3.7m/12ft |
4.3m/14ft |
5m/16ft |
6.1m/20ft |
6.7m/22ft |
7.3m/24ft |
6.7m/22ft |
7.3m/24ft |
Power |
0.37kw |
0.37kw |
0.75kw |
0.75kw |
1.1kw |
1.1kw |
1.1kw |
1.5kw |
1.5kw |
Voltage |
220v-240v/380v-460v |
Frequency |
50Hz/60Hz |
Air Volume |
4000m³/min |
5000m³/min |
7000m³/min |
10000m³/min |
11500m³/min |
12000m³/min |
13000m³/min |
14000m³/min |
15500m³/min |
Speed |
≤120rpm |
≤100rpm |
≤90rpm |
≤80rpm |
≤65rpm |
≤60rpm |
≤55rpm |
≤65rpm |
≤60rpm |
Blades |
5pcs |
5pcs |
5pcs |
5pcs |
6pcs |
6pcs |
6pcs |
6pcs |
6pcs |
Blades width |
180mm |
180mm |
180mm |
180mm |
180mm |
180mm |
180mm |
220mm |
220mm |
Noise |
38dB |
|
|
Weight |
45kg |
49kg |
58kg |
62kg |
99kg |
103kg |
107kg |
109kg |
113kg |
Coverage size |
8-12m |
9-14m |
12-18m |
12-20m |
20-25m |
20-28m |
20-28m |
20-35m |
20-35m |
Effective Area(square meters) |
150 |
230 |
256 |
300 |
600 |
650 |
700 |
750 |
850 |
Above ground |
4-5m |
4-5m |
4-6m |
5-6.5m |
8-10m |
7-12m |
6-9m |
8-14m |
8-17m |
Protection class |
IP55 |
IP55 |
IP55 |
IP55 |
IP55 |
IP55 |
IP55 |
IP55 |
IP55 |

Main Features
Our pioneering self-developed external rotor motor, complete with its own IMU configuration, spearheads an innovative ESC active control strategy complemented by a coordinated regenerative braking approach. This design boasts large torque, permanent magnet synchronization, and seamless integration, significantly enhancing reliability and transmission efficiency.
Our advanced system easily accommodates any torque recovery or auxiliary braking within peak torque limits. The strategic use of aluminum alloy in various components supports a lightweight design, optimizing overall performance.
Ingenious Smart Controller:
1 Experience the robustness of a fully enclosed design with IP66 protection grade, offering exceptional dust-proof, waterproof, and moisture-proof capabilities. Ideal for both high-temperature indoor and outdoor challenging environments.
2 Benefit from a system that provides no position vector control, robust against electromagnetic interference and radiation. Its compact size, light weight, and stylish appearance make it a versatile choice.
3 Enjoy the simplicity of the system functions, featuring just 4 intuitive buttons for effortless operation-start, stop, speed up, and slow down.
4 System safeguards include overvoltage, undervoltage, voltage loss regulation, current issues, phase deficiency, overload, collision, overheating, lightning, and various abnormal protections.
5 Tailor the system with customizable intelligent control modes to suit your specific needs.
Fan Blade Excellence: Crafted from aviation-grade high-strength aluminum-magnesium alloy through extrusion and stretching processes, the fan blade features internal stiffening for ultimate strength, durability, and lightness. Treated with T5+surface bright oxidation, it boasts enhanced corrosion and oxidation resistance, perfect for demanding operational environments.
Precision Tail Design:
As the fan blade operates, it ingeniously manages air vortices generated at the
tip of the aerofoil fan blade. The tail wing effectively eliminates this
wasted energy, stabilizing fan performance and ensuring airflow
conforms seamlessly to aerodynamic principles for superior efficiency.

Installation Instructions
Company Profile
FJDIAMOND Fans stands at the pinnacle of innovation as a leading high-tech enterprise, seamlessly integrating research and development, production, sales, and cutting-edge technical services. Since its inception, the company has been unwavering in its focus on HVLS (high-volume, low-speed) variable frequency control fans. Our mission is to revolutionize operational efficiency by dramatically reducing costs for our clients, creating dynamic and comfortable environments for employees, and championing a sustainable, low-carbon lifestyle across the globe.
FJDIAMOND is committed to establishing a robust global service network, with an ambitious vision of reaching over 80 countries. Our comprehensive service framework includes meticulous pre-sales, unparalleled after-sales support, and localized technical assistance. We aim to redefine service excellence by setting new industry standards and steadfastly ensuring 'Quality Assurance and Owners' Satisfaction,' promising a seamless and rewarding experience for every valued customer.
Production Lines
Exhibitions
Packaging & Shipping
Each of our exemplary ceiling fans is meticulously packed in two robust plywood cases. One of these durable plywoods is dedicated exclusively to safeguarding the fan blades, while the other securely houses the motor, controller, and all essential spare parts. This meticulous packaging ensures the safe and pristine arrival of your Versatile 7.3m Cooling Fan, designed specifically for stadium and warehouse environments.
Application Cases
FAQ
Q: Are you the factory?
A: Absolutely, we are elated to affirm that we are indeed a factory, passionately dedicated to manufacturing an extensive range of HVLS large ceiling fans, wall fans, and mobile fans. Our strategic base in the vibrant region of Fujian, China, allows us to offer you direct and economical fan supply, ensuring exceptional value and quality with every partnership.
Q: Where is your fan used?
A: Our highly adaptable fan stands out as a dependable cooling solution, seamlessly enhancing airflow and comfort across diverse environments. Whether it's bustling factories, efficient logistics centers, expansive warehouses, busy supermarkets, churches, coffee shops, gyms, exhibitions, or grand halls, our fan delivers optimal performance, ensuring a refreshing atmosphere everywhere.
Q: Does it use electricity?
A: Certainly, our fan is designed to operate with electricity, consuming an impressively low 0.37KW or less. This noteworthy energy efficiency leads to significant cost savings, making it an exceptionally economical choice for sustained, high-performance operation.
Q: What is the price per fan?
A: We are dedicated to delivering the most competitive pricing available, meticulously tailored to match your specific order quantity and model preferences. Connect with us to receive a personalized quote that ensures outstanding value and aligns perfectly with your budgetary expectations.
Q: How long is the delivery time?
A: Typically, you can anticipate a swift delivery time of 7-10 working days. This ensures your order is processed with the utmost efficiency and speed, providing you with a seamless fulfillment experience that meets your timeline requirements.
Q: How long is the warranty?
A: We are delighted to offer an extensive 3-year warranty, a testament to our unwavering confidence in the quality of our products. Furthermore, our fans are engineered for longevity, boasting a remarkable service life that exceeds 20 years. This guarantees enduring performance and satisfaction for years to come.