Product
Navajyothi Air Flow
Brand
NJ-Alu Curved Grille
Application
Supply and return air distribution for HVAC ventilation and air-conditioning systems.
Product Description
Aluminium Curved Grilles are specially manufactured for installation on curved walls, curved, oval circular ducts, circular columns, rounded bulkheads, and architectural surfaces where standard straight grilles cannot be fitted. These grilles provide an aesthetically pleasing appearance while ensuring efficient air supply or return for HVAC systems.
Manufactured from high-quality extruded aluminium alloy, curved grilles are lightweight, corrosion resistant, durable, and suitable for commercial, residential, healthcare, hospitality, and industrial applications.
Material & Finish
| Parameter | Specification |
|---|---|
| Material | Extruded aluminium construction offering corrosion resistance, rigidity, and lightweight durability. |
| Frame Thickness | 1.2–1.5 mm |
| Blade Thickness | 1.2 mm thick, Head Thickness 5 mm, Blade Height 16 mm |
| Flange | Standard 19/16 & 25/16 |
| Blade Type | Fixed Linear Bars |
| Bar Orientation | Horizontal / Vertical |
| Deflection | 0°, 15°, 30° (Optional) |
| Diameter | Duct Dia: 150, 200, 250, 300, 350, 400, 450, 500, 600 mm |
| Finish | Standard smooth powder-coated finish (such as white RAL 9010) or custom RAL Shades & Mill / anodized Finish |
| Mounting | Screw Fixing / Concealed Fixing / Clip Fixing |
| Air Flow Control | Optional collar damper, Aluminium and GI opposed blade type for positive airflow management |
Standard Sizes
| Width (mm) | Length (mm) |
|---|---|
| 100 | As Required |
| 125 | As Required |
| 150 | As Required |
| 200 | As Required |
| 250 | As Required |
| 300 | As Required |
Note:
Custom sizes are also made as per request.

