1.What is a Cortina de ar para porta giratória?
A revolving door air curtain is installed above or beside revolving doors to create a high-velocity air barrier. This barrier prevents outside air, pó, and insects from entering while maintaining the indoor climate. By minimizing heat or cold air exchange, the air curtain reduces energy consumption and enhances indoor comfort and cleanliness. It is widely used in commercial buildings, office complexes, hospitals, and other places with frequent door usage.
2.Key Components
Fans:
The core component that produces strong and uniform airflow.
Heating Elements（options, for cold area use）:
Some air curtains include heating elements to provide warm air during winter, increasing comfort when passengers pass by
Filters(option):
These clean the air by removing dust and impurities, ensuring the air entering the building is clean.
Control System:
Includes switches, regulators, and sensors to adjust fan speed, temperature, and operation times, ensuring efficient performance.
Housing:
Typically made of metal or stainless steel material, it protects internal components and ensures durability.
3.What is the Advantages of Revolving Door Air Curtains
Improved Indoor Air Quality:
- Blocks external pollutants like dust, pollen, and insects.
- Ensures a cleaner and healthier indoor environment.
Eficiência Energética:
- Reduces heat and cold air exchange between indoors and outdoors.
- Lowers energy consumption for HVAC systems, leading to cost savings.
Enhanced Comfort:
- Maintains a stable and pleasant indoor temperature at entrances.
- Reduces drafts, providing a more comfortable entry experience.
Noise Reduction:
- Acts as a barrier against external noise, creating a quieter indoor space.
4. Applications of Revolving Door Air Curtains
Commercial Buildings:
- Shopping Malls: Enhances the entrance aesthetic and improves traffic flow.
- Office Buildings: Provides a modern, professional appearance while maintaining security and climate control.
Public Places:
- Airports: Facilitates smooth passenger movement and maximizes space efficiency.
- Hospitals: Ensures easy access and egress, essential for high-traffic areas.
Hotels and Restaurants:
- Luxury Hotels: Adds elegance to the entrance, improving guest experience.
- Upscale Restaurants: Creates a welcoming, sophisticated entry point.
Cultural and Entertainment Venues:
- Museums: Enhances the visual appeal and accommodates large visitor volumes.
- Theaters: Offers a grand entrance, aligning with the venue’s overall aesthetic.
5.How to Choose the Right Revolving Door Air Curtain
Consider the Type and Size of the Door
- Door Type: Identify the specific type of revolving door (opening angle 60°, opening angle 90°, etc.) to choose the appropriate air curtain.
- Door Size: Measure the width and height of the door to ensure the air curtain covers the entire opening.
Select Appropriate Airflow and heating power
- Airflow Strength: Choose the right airflow based on environmental needs.CDAIRTECH revolving door air curtain, the airflow is from 1800 to 9500M3/H depend on the requirements.
- Temperature Control: For heating air curtain, the heating power can be adjustable, such as 12/15/27kw
- CDAIRTECH also provide a choosing table of air curtain, it will be save your time to get the right model for your revolving door and improve your indoor air quality early.
What is the solution if there is no enough space on the top of the revolving door
We can use PTC heater to instead of the heating tube, and axial motor to instead of the centrifugal fan, then it can save much space,and it can install on the front surface of the revolving door.Please check the project photo.
Quality and service
CDAIRTECH provides 7*24h online service and a 2-year warranty. And our quality control department will check each step from production to packaging and delivery.
Customer make requirements
Air curtain color to match the revolving door color,it can create a cohesive and visually pleasing appearance.
Stainless steel cover to install on the front of the revolving door air curtain.
Installation and Maintenance:
Easy to install and maintain, it can save time and cost. CDAIRTECH will finish the assemble of air curtain before delivery, when the customer open the package, they only need to install the air curtain on the top of the revolving door and make line connection it ok,
The cover of the air curtain is easy to open, so it will be easy for maintain.No need to remove the air curtain from the revolving door.
6.Differences Between Revolving Door Air Curtains and Regular Air Curtains
1. Design and Installation:
- Revolving Door Air Curtains: Specifically designed to fit the unique structure and operational dynamics of revolving doors. They often require customized installations to suitable the size of the revolving door.
- Regular Air Curtains: Typically designed for standard doorways (e.g., single or double swinging or sliding doors) and can be installed in a wider range of entryways.
2. Airflow Patterns:
- Revolving Door Air Curtains: Engineered to create a consistent air barrier around the curved and rotating sections of the door, preventing air exchange more effectively in a revolving motion.
- Regular Air Curtains: Produce a straightforward vertical or horizontal air stream that covers the doorway, suitable for linear door openings.
7.Cdairtech revolving door air curtain model and parameters
Electrical heating type air curtain
| Model | CD-100E | CD-150E | CD-200E | CD-250E | CD-300E | |||
| Max. installation height | eu | 3.0 | 3.0 | 3.0 | 3.0 | 3.0 | ||
| Volume flow rate | Low speed | m³/h | 2100 | 2800 | 4200 | 4900 | 5600 | |
| Medium speed | m³/h | 2400 | 3200 | 4800 | 5600 | 6400 | ||
| High speed | m³/h | 2700 | 3600 | 5400 | 6300 | 7200 | ||
| Max. sound level | dB(A) | 59 | 60 | 62 | 63 | 64 | ||
| Weight of basic unit | kg | 48 | 68 | 88 | 118 | 138 | ||
| Electrical heater (three-step. 400 V, 3 Ph, 50 Hz) | ||||||||
| Etapa 1 | kW | 6.0 | 8.0 | 12.0 | 12.0 | 12.0 | ||
| Etapa 2 | kW | 12.0 | 16.0 | 24.0 | 24.0 | 24.0 | ||
| Etapa 3 | kW | 18.0 | 24.0 | 36.0 | 36.0 | 36.0 | ||
| △t max. | ℃ | 19.8 | 19.8 | 19.8 | 16.8 | 14.7 | ||
Water heating type air curtain
| Model | CD-100W | CD-150W | CD-200W | CD-250W | CD-300W | |||||||
| Max. installation height m | 3.0 | 3.0 | 3.0 | 3.0 | 3.0 | |||||||
| Volume flow rate m³/h | Low speed | 2100 | 2800 | 4200 | 4900 | 5600 | ||||||
| Medium speed | 2400 | 3200 | 4800 | 5600 | 6400 | |||||||
| High speed | 2700 | 3600 | 5400 | 6300 | 7200 | |||||||
| Max. sound level dB | 59 | 60 | 62 | 63 | 64 | |||||||
| Weight of basic unit kg | 48 | 68 | 88 | 118 | 138 | |||||||
| Electrical connection | Right | Right | Right | Right | Right | |||||||
| Technical parameters at high volume flow rate | ||||||||||||
| LTHW 90/70 at air intake temperature 15℃ and air discharge temperature 37℃ | ||||||||||||
| Heat output kW | 19.9 | 26.6 | 39.9 | 46.6 | 53.3 | |||||||
| Flow rate m³/h | 0.82 | 1.34 | 1.85 | 2.36 | 2.88 | |||||||
| Water resistance kPa | 0.25 | 1.37 | 2.74 | 6.52 | 10.06 | |||||||
| LTHW 80/60 at air intake temperature 15℃ and maximum air discharge temperature | ||||||||||||
| Heat output kW | 14.98 | 23.6 | 33.1 | 41.74 | 46.5 | |||||||
| Air discharge temperature ℃ | 31.1 | 34.5 | 33.2 | 34.7 | 34.2 | |||||||
| Flow rate m³/h | 0.71 | 1.12 | 1.57 | 1.98 | 2.42 | |||||||
| Water resistance kPa | 0.25 | 0.79 | 1.39 | 4.88 | 7.83 | |||||||
| LTHW 70/50 at air intake temperature 15℃ and maximum air discharge temperature | ||||||||||||
| Heat output kW | 12.3 | 19.3 | 27.1 | 34.11 | 38.26 | |||||||
| Air discharge temperature ℃ | 28.5 | 30.9 | 29.9 | 31.1 | 30.8 | |||||||
| Flow rate m³/h | 0.58 | 0.92 | 1.29 | 1.62 | 1.98 | |||||||
| Water resistance kPa | 0.26 | 0.81 | 1.41 | 3.46 | 5.87 | |||||||
| Pipe connections | ||||||||||||
| Flow/return flow | 1″ | 1″ | 1″ | 1″ | 1″ | |||||||
| Connection | Left | Left | Left | Left | Left | |||||||
Unheating type air curtain
| Model | CD-100 | CD-150 | CD-200 | CD-250 | CD-300 | ||
| Width | cm | 100 | 150 | 200 | 250 | 300 | |
| Max. installation height | eu | 3.0 | 3.0 | 3.0 | 3.0 | 3.0 | |
| Volume flow rate | Low speed | m³/h | 2100 | 2800 | 4200 | 4900 | 5600 |
| Medium speed | m³/h | 2400 | 3200 | 4800 | 5600 | 6400 | |
| High speed | m³/h | 2700 | 3600 | 5400 | 6300 | 7200 | |
| Max. sound level | dB(A) | 59 | 60 | 62 | 63 | 64 | |
| Weight of basic unit | kg | 48 | 68 | 88 | 118 | 138 | |
8.Frequently Asked Questions of CDAIRTECH revolving door air curtain
1.Are revolving door air curtains energy efficient?
Yes, they reduce the loss of conditioned air, lowering energy consumption and costs associated with heating and cooling.
2.Can air curtains be used in all types of revolving doors?
Revolving door air curtain are customer made products according to different type of revolving door.
3.How long does it take to install a revolving door air curtain?
By two professional engineers, it only takes half a day, as we already finished assemble before packing and delivery.
4.Does the air curtain integrate with building management systems (BMS)
Yes, we provide screen control as standard,we also can provide 485 connector with air curtain.
5. What are the packaging details?
we provide strong wooden package with plastic cover, it is suitable for long distance delivery from China to other countries.
9.CDAIRTECH revolving door air curtain projects
Our revolving doors not only enhance the aesthetics of buildings but also significantly improve energy efficiency and safety. Whether in the cold climates of Russia and Northern Europe or the hot conditions of the Middle East, our products have withstood harsh environments, earning widespread acclaim from customers. Our team continues to provide customized revolving door air curtain solutions for clients worldwide
