May 26, 2025
Specifications:
Item code: CD
Ceiling diffuser with discs
Material: SPCC+PP (Discs)
Thickness: 0.8mm
Application: For air supply and exhaust
Finish: RAL9010 / RAL9016 / RAL9003 as per requirement.
Ceiling swirl diffuser with adjustable discs, which is designed to provide effective supply distribution
Diffusers front plate is easily removable, making the cleaning process more comfortable and less time consuming. It is suitable for using in rooms with or without suspended ceiling.
When considering various types of diffuser hvac systems, the ceiling diffuser with discs (CD) offers a practical and efficient solution for both air supply and exhaust applications.
1. Standard 2. V1 Vertical concentrated 3. V2 Vertical diffused
4. 4-way 5. 3-way 6. 2 M-way
7. 2 H-way 8. 1-way Figure 9. Disc settings. NOTE: Air direction in the figure.
| Item code | A(mm) | ØD1(mm) | I (mm) | M(mm) | No.of discs |
| CD125-400 | 395 | 124 | 375 | 70 | 16 |
| CD125-600 | 595 | 124 | 575 | 70 | 16 |
| CD160-400 | 395 | 159 | 375 | 70 | 25 |
| CD160-600 | 595 | 159 | 575 | 70 | 25 |
| CD200-500 | 495 | 199 | 475 | 70 | 36 |
| CD200-600 | 595 | 199 | 575 | 70 | 36 |
| CD250-500 | 495 | 249 | 475 | 70 | 49 |
| CD250-600 | 595 | 249 | 575 | 70 | 49 |
| CD315-500 | 495 | 314 | 475 | 70 | 49 |
| CD315-600 | 595 | 314 | 575 | 70 | 64 |
| CD400-600 | 595 | 399 | 575 | 70 | 81 |
Swirl-Pattern Airflow: The design mimics the performance of a ceiling swirl diffuser, delivering air in a circular motion for fast mixing and temperature balancing.
Removable Central Cone: Easy to clean and maintain, suitable for hygienic environments.
Durable Materials: Manufactured with SPCC and high-strength PP plastic.
Custom Finish Options: Available in RAL9010, RAL9016, and RAL9003 powder coatings.
Size Flexibility: Multiple neck sizes available to fit your ductwork.
The swirl effect of our CD diffuser makes it an ideal substitute for a Swirl Round diffuser in many airflow-critical spaces.
Our ceiling swirl diffuser type CD is perfect for:
Offices and conference rooms
Shopping malls and public buildings
Schools and universities
Healthcare facilities
Airports and transit stations
It can be installed in both exposed and suspended ceiling systems.
As a professional HVAC component manufacturer, aier ventilation offers:
Full support for OEM & ODM customization
Fast delivery and stable global supply chain
Precision engineering and reliable quality
Competitive pricing and responsive service
If you are sourcing a reliable Swirl Round diffuser or a functional circular swirl diffuser alternative, our CD model offers proven performance with long-term durability.
