square ceiling diffuser for HVAC system
In the Heating, Ventilation, and Air - Conditioning (HVAC) systems of modern buildings, the efficient distribution of air is closely linked to the comfort experience. Our square ceiling diffusers, as core components for optimizing the performance of HVAC systems, rely on excellent design and innovative technology to provide ideal air - flow solutions for various spaces.



Product Specification
They can be used both for supply and return applications.
Depending an architectural demands the face can be square or rectangular.
They are suitable for using in rooms with heights up to 4m.
Material: They can be made of extruded aluminum profiles, or aluminum sheet.
Accessories: Damper, Plenum box.
Mount: by screws, by clips.
Finishing: White powder coating Ral9016, Ral9010, or customized color. Anodized.
Selection Tables
| Standard sizes A×A(mm) | B×B(mm) | Effective area(m²) | Air volume(m³/h) | Throw Max. (m) |
|---|---|---|---|---|
| 150×150 | 295×295 | 0.014 | 119 | 0.90 |
| 225×225 | 370×370 | 0.028 | 240 | 1.40 |
| 300×300 | 445×445 | 0.049 | 400 | 1.70 |
| 375×375 | 520×520 | 0.069 | 600 | 2.00 |
| 450×450 | 595×595 | 0.097 | 840 | 2.40 |
| 525×525 | 670×670 | 0.130 | 1120 | 2.55 |
| 600×600 | 745×745 | 0.169 | 1460 | 2.70 |
Conclusion
Our square ceiling diffusers, with advanced technology, reliable quality, and human - centered design, create a more efficient, comfortable, and aesthetically pleasing solution for HVAC systems. Regardless of the project scale, we can provide professional products and services as needed to help build an ideal indoor environment. If you need to know more details about the products or customize solutions, please feel free to contact us at any time.
The packing and container loading of PIR Foam Pre-insulated Aluminum Duct:
PIR Pre-insulated (PI) Duct Sheets:
Regular Size: 3950*1200*20mm/ 2900*1200*20mm
PIR Foam Density: 52kg/m3,
Weight: about 1.4kg/m2
Packing: 10 sheets/ paper carton
Container Loading:
40'HQ Container: 3950/2900*1200*20mm, 10 sheets packed in one carton, total 660sheets (3950mm) / 880sheets(2900mm).
20'GP Container: 2900*1200*20mm, 10 sheets packed in one carton, total 400sheets.

| Item | Square Ceiling Diffuser |
| Warranty | 1 Year |
| After-Sales Services | Online Technical Support |
| Model | SCD-VA/VB/VC |
| Application | Commercial Building/ Office Building |
| Material | Aluminum |
| Usage | Supply Air/Return Air |
| Accessories | Air Damper/ Plenum Box |
| Thickness | 0.6/0.7/0.8/0.9/1.0 mm |
| Standard Color | White Ral 9016/9010/Customized |
| Place of Origin | China Xiamen |
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