--- title: "7.2-Meter Large Industrial Ceiling Fan" url: https://tiercooling.com/posts/7-2-meter-large-industrial-ceiling-fan/ date: 2025-12-16 modified: 2026-09-28 lang: en author: "info@tiercooling.com" description: "Location: Home 7.2m Large Industrial Ceiling Fan High air volume, low rotational speed, and quiet operation to improve your working environment. With coverage of up to 1,450 m² and less..." categories: - "News" image: https://tiercooling.com/wp-content/uploads/2026/09/news-840.jpg word_count: 1476 --- # 7.2-Meter Large Industrial Ceiling Fan - [ Location: Home ](https://rundongfang.com/) - ![rdf-hvls-fans-case-014](https://rundongfang.com/wp-content/uploads/rdf-hvls-fans-case-014-768x448.jpg) ![rdf-hvls-fans-case-015](https://rundongfang.com/wp-content/uploads/rdf-hvls-fans-case-015-768x448.jpg) ![rdf-hvls-fans-case-016](https://rundongfang.com/wp-content/uploads/rdf-hvls-fans-case-016-768x448.jpg) # 7.2m Large Industrial Ceiling Fan High air volume, low rotational speed, and quiet operation to improve your working environment. With coverage of up to 1,450 m² and less than 1 kWh of electricity per hour, it immediately boosts production efficiency—safe and energy-saving, delivering an exceptionally cool and comfortable experience. It’s not just airflow, it’s cash flow. Variable Frequency Start: Paired with top-tier domestic inverters, low-speed operation produces less vibration; the variable frequency start is impact-free, running smoothly and virtually noiselessly. - Sealed Motor: The enclosed motor has fewer monitoring points and fewer failure points, greatly reducing maintenance workload and costs, with a long service life. - Aviation-Grade Materials: The blades are made of the same aviation-grade airfoil material, offering greater toughness for safety and reliability. - Natural Wind Simulation: Streamlined blades, combined with aerodynamic principles, powerfully stir indoor air to generate simulated natural wind. - High Efficiency and Energy Saving: Permanent magnet direct-drive motor + top-tier inverter, delivering an air volume of 15,197 m³/min while consuming only 1.3 kW per hour. 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When a person works in an environment of 28–32°C, their work efficiency begins to decline and they become more prone to fatigue. When the temperature rises above 32°C, a person’s attention and alertness also begin to be affected. - High-temperature working environments not only affect production efficiency but also harm human health, easily causing worker dehydration, heatstroke, or even suffocation. - Mental work is more sensitive to temperature. When the temperature reaches 29°C, the efficiency of mental work begins to decrease; the higher the temperature, the shorter the sustainable working time. - High-temperature environments also affect the incidence of accidents. The accident rate is low at around 20–24°C, but it increases dramatically when the temperature rises above 30°C or drops below 10°C. ![](https://rundongfang.com/wp-content/uploads/products-info-001.jpg) Human comfort depends not only on temperature as a single parameter; air velocity, oxygen content, and humidity control are equally important. These factors together influence how comfortable the human body feels in an environment. Air conditioning systems offer all of these key performance features, ensuring a high-quality, comfortable indoor air environment. ## The Relationship Between Physical Work Efficiency and Temperature and Air Velocity - If the temperature is too high, body temperature rises and the body sweats heavily, leaving workers feeling exhausted all over; in severe cases, this can lead to serious dehydration, heatstroke, and fainting. - At the same time, the human central nervous system is suppressed, attention is distracted, the accuracy and coordination of movements decline, limbs become weak, and the probability of accidents increases. - Effective temperature refers to the temperature perceived by the human body in a windy environment. When the wet-bulb temperature remains constant, the higher the air velocity, the lower the effective temperature. Therefore, air velocity affects both human comfort and work efficiency. - Even in a relatively high-temperature working environment, maintaining a flow of fresh air at a certain velocity can keep workers feeling comfortable and mitigate the various adverse effects caused by high temperatures. | Model | RDF-S3600 | RDF-S4200 | RDF-S4200 | RDF-B6200 | RDF-B6200 | RDF-B6700 | RDF-B6700 | RDF-H7200 | RDF-H7200 | | -------- | --------- | --------- | --------- | --------- | --------- | --------- | --------- | --------- | --------- | | Diameter | 3600mm | 4200mm | 5200mm | 6200mm | 6200mm | 6700mm | 6700mm | 7200mm | 7200mm | | | (12ft) | (14ft) | (17ft) | (20ft) | (20ft) | (22ft) | (22ft) | (24ft) | (24ft) | | Input Voltage/Frequency | Single-phase 220V/50HZ | Single-phase 220V/50HZ | Single-phase 220V/50HZ | Single-phase 220V/50HZ | Single-phase 380V/50HZ | Single-phase 220V/50HZ | Single-phase 380V/50HZ | Single-phase 220V/50HZ | Three-phase 380V/50HZ | | Rated Current | 2.6A | 2.6A | 2.6A | 4.5A | 3.1A | 4.5A | 3.1A | 4.5A | 3.1A | | Power (kw) | 0.66kw | 0.66kw | 0.66kw | 1.3kw | 1.3kw | 1.3kw | 1.3kw | 1.3kw | 1.3kw | | Maximum Speed | 90RPM | 90RPM | 70RPM | 60RPM | 60RPM | 55RPM | 55RPM | 58RPM | 58RPM | | Max Airflow | 4552m³/min | 5306m³/min | 7065m³/min | 10747m³/min | 10747m³/min | 12560m³/min | 12560m³/min | 15197m³/min | 15197m³/min | | Noise Level | ﹤38d/B | ﹤38d/B | ﹤39d/B | ﹤39d/B | ﹤39d/B | ﹤39d/B | ﹤39d/B | ﹤39d/B | ﹤39d/B | | Weight | 72KG | 75KG | 78KG | 100KG | 100KG | 105KG | 105KG | 115KG | 115KG | | Coverage Area | ∅20-24m | ∅22-26m | ∅25-30m | ∅32-37m | ∅32-37m | ∅35-40m | ∅35-40m | ∅38-44m | ∅38-44m | ![](https://rundongfang.com/wp-content/uploads/hvls-fans-4.jpg) ### Three-Dimensional Natural Breeze The Rundongfang industrial large fan works by stirring large volumes of indoor air to create airflow, producing a natural breeze effect equivalent to force levels 1–3. In high and spacious areas, it creates a soft, comfortable natural-breeze-like effect, significantly improving stuffy working environments, increasing productivity, reducing staff turnover, and achieving energy savings. ![](https://rundongfang.com/wp-content/uploads/hvls-fans-3.jpg) ### Fan + Equipment Combination Perfectly integrates with air conditioners, evaporative air coolers, and negative-pressure exhaust fans—an innovative continuation of ventilation and cooling systems. ![](https://rundongfang.com/wp-content/uploads/hvls-fans-1.jpg) ### Ventilation and Cooling The RunDongFang industrial HVLS fan works by stirring the indoor air in large volumes to create airflow, producing a level 1–3 natural breeze effect. In tall, spacious areas, it creates a soft, comfortable, natural-wind-like effect, significantly improving stuffy working environments, increasing production efficiency, reducing employee turnover, and achieving energy savings. ![](https://rundongfang.com/wp-content/uploads/hvls-fans-3.jpg) ### Wide Coverage Area The large-diameter fan blades push massive volumes of air down to the ground, forming an airflow layer of a certain height that moves horizontally in all directions, promoting air circulation throughout the entire space. Its low speed, low energy consumption, high air volume, and wide coverage area. [ Open Spaces ](javascript:void(0)) [ Enclosed Spaces ](javascript:void(0)) [ Multiple Fans Combined ](javascript:void(0)) [ Bypassing Obstacles ](javascript:void(0)) - ![Open Space](https://rundongfang.com/wp-content/uploads/hvls-fans-7.jpg) ![Enclosed Space](https://rundongfang.com/wp-content/uploads/hvls-fans-8.jpg) ![Multiple Fans Combined](https://rundongfang.com/wp-content/uploads/hvls-fans-5.jpg) ![Bypassing Obstacles](https://rundongfang.com/wp-content/uploads/hvls-fans-6.jpg) ![](https://rundongfang.com/wp-content/uploads/rdf-company-about-us-032.jpg) On-site installation services are provided; - Free on-site survey with 1-on-1 customized solutions — truly zero cost, worry-free and reassuring; - The net height of the building should be at least 4 meters, and the spacing between load-bearing structural columns should be more than 20% greater than the diameter of the fan to be installed; - The roof structure should support a load of more than 150 kg; the total equipment weight of the fan is approximately 125 kg (including installation accessories and dynamic load), with torque of 300 n/m and noise below 39 dB; - The effective coverage area of a single fan is a diameter of 30–40 m per unit, with adjacent fans spaced 30–40 meters apart; - The optimal installation height for the fan is approximately 6–8 meters from the ground to the blades, and in no case less than 4 meters; - Ensure that the fan installation location is free of chandeliers or other obstructions; - The control box should ideally be installed within 30 meters of the fan installation location; - Locations with prolonged heat sources or oil fumes are not suitable for installation. ![](https://rundongfang.com/wp-content/uploads/Installation-003.jpg)I-beam suspension installation ![](https://rundongfang.com/wp-content/uploads/Installation-002.jpg)Steel frame hoisting ![](https://rundongfang.com/wp-content/uploads/Installation-004.jpg)Crossbeam hoisting ![](https://rundongfang.com/wp-content/uploads/Installation-001.jpg)Circular tube hoisting - **Commercial public places:** large shopping malls, supermarkets, specialized wholesale markets, convention and exhibition centers, exhibition halls, 4S car dealerships; - **Manufacturing:** industrial plants, production workshops, logistics warehouses, e-commerce distribution warehouses, express parcel sorting centers; - **Leisure & Tourism:** Large amusement parks, public parks, tourist attractions, specialty towns, dining, entertainment; - **Sports:** Cultural centers, gyms, indoor training facilities. ![](https://rundongfang.com/wp-content/uploads/rdf-company-about-us-029.jpg) ![](https://rundongfang.com/wp-content/uploads/rdf-hvls-fans-case-016-1.jpg) - Improves air circulation in the space; - A comfortable feeling comes from the flow of air; - Reduces perceived temperature by 3-5 degrees; - Coverage range of 40-50 meters; - Creates a 3D gentle natural breeze at levels 1-3, quiet and healthier. ![](https://rundongfang.com/wp-content/uploads/hvls-fans-13.jpg) ![](https://rundongfang.com/wp-content/uploads/hvls-fans-12.jpg)