--- title: "Industrial Large Fans for Factory Workshops" url: https://tiercooling.com/posts/industrial-large-fans-for-factory-workshops/ date: 2025-12-16 modified: 2026-09-28 lang: en author: "info@tiercooling.com" description: "Current location: Home Industrial Large Fans for Factory Workshops High airflow, low speed, and quiet operation improve your working environment. Covering an area of up to 1,450 ㎡ with power..." categories: - "News" image: https://tiercooling.com/wp-content/uploads/2026/09/news-841.jpg word_count: 1481 --- # Industrial Large Fans for Factory Workshops - [ Current 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) # Industrial Large Fans for Factory Workshops High airflow, low speed, and quiet operation improve your working environment. Covering an area of up to 1,450 ㎡ with power consumption of less than 1 kWh per hour, it instantly boosts productivity. Safe and energy-efficient, it delivers an exceptionally cool and comfortable experience — not just airflow, but cash flow. Variable frequency start: Matched with top domestic inverters, it produces less vibration at low speed, shock-free variable frequency startup, smooth operation, and near-silent noise levels. - 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 aviation-grade airfoil materials for greater toughness, safety, and reliability. - Natural wind simulation: Streamlined fan blades, combined with aerodynamic principles, powerfully stir indoor air to produce simulated natural wind. - High efficiency and energy savings: Permanent magnet direct-drive motor + top-tier inverter, with an airflow of 15,197 m³/min and power consumption of 1.3 kW per hour. 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High-temperature environments affect work efficiency. When people work in an environment of 28–32°C, their work efficiency begins to decline and they become fatigued more easily. When the temperature exceeds 32°C, people’s attention and alertness also begin to be affected. - High-temperature working environments not only affect production efficiency but also harm people’s health, easily causing dehydration, heatstroke, or even suffocation among workers. - Mental work is more sensitive to temperature. When the temperature reaches 29°C, the efficiency of mental work begins to decline; the higher the temperature, the shorter the duration for which work can be sustained. - High temperatures also affect accident rates. The accident rate is low at around 20–24°C, but it increases significantly when the temperature rises above 30°C or falls below 10°C. ![](https://rundongfang.com/wp-content/uploads/products-info-001.jpg) Human comfort does not depend on temperature alone; equally important are air velocity, oxygen content, and humidity control. These factors jointly determine how comfortable people feel in an environment. Air conditioners combine all of these key performance features, ensuring the creation of 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 secretes large amounts of sweat, leaving workers feeling fatigued all over; in severe cases, this can lead to serious dehydration, heatstroke, and fainting. - At the same time, the central nervous system is suppressed, attention becomes scattered, the accuracy and coordination of movements decrease, limbs weaken, and the probability of accidents increases. - Effective temperature refers to the temperature perceived by the human body in an environment with air movement. 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, a constant 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 | Single-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 | 80RPM | 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 Range | ∅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 Rundongfang industrial large fans work by agitating large volumes of indoor air to create airflow, producing a level 1~3 natural breeze effect. In tall, spacious areas, they create a soft, comfortable natural-wind-like feeling, significantly improving stuffy working environments, boosting productivity, reducing employee turnover, and achieving energy savings. ![](https://rundongfang.com/wp-content/uploads/hvls-fans-3.jpg) ### Fan + Equipment Combination Perfectly integrated with air conditioners, evaporative air coolers, and negative-pressure exhaust fans — an innovative evolution of ventilation and cooling systems. ![](https://rundongfang.com/wp-content/uploads/hvls-fans-1.jpg) ### Ventilation & Cooling The RunDongFang industrial large fan works by stirring the air indoors on a large scale to create wind speeds, producing a level 1–3 natural breeze effect. In tall and 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 rotation of the large-diameter fan blades pushes large 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. It features low speed, low energy consumption, high airflow, and a 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 Spaces](https://rundongfang.com/wp-content/uploads/hvls-fans-7.jpg) ![Enclosed Spaces](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 service is provided; - Free on-site survey with 1-on-1 customized solutions — truly zero cost, worry-free and reassuring; - The clear height of the building should be above 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 allow a load capacity of 150 kg or more. The total equipment weight of the fan is approximately 125 kg (including installation accessories and dynamic load), torque 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 when the blades are about 6–8 meters above the ground, and should not be lower than 4 meters; - Ensure that the fan installation location is free from chandeliers or other obstructing objects; - The optimal distance between the control box installation location and the fan installation location is less than 30 meters; - Locations with prolonged heat sources or oil smoke 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)Round tube hoisting - **Commercial public venues:** large shopping malls, supermarkets, specialized wholesale markets, convention and exhibition centers, exhibition halls, car 4S 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, and entertainment venues; - **Sports:** Cultural centers, gyms, and 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 spatial air circulation; - Comfort comes from air movement; - Provides 3-5 degrees of perceived cooling; - Covers an area of 40-50 meters; - Creates a level 1-3 gentle, three-dimensional natural breeze — quiet and healthier. ![](https://rundongfang.com/wp-content/uploads/hvls-fans-13.jpg) ![](https://rundongfang.com/wp-content/uploads/hvls-fans-12.jpg)