Product
Navajyothi Air Flow
Brand
NJ-Alu Floor Grille
Application
Supply and return air distribution for HVAC ventilation and air-conditioning systems
Product Description
Aluminium Floor Grilles are designed for supply and return air applications where installation is required in floors, raised access floors, perimeter glazing, computer rooms, commercial buildings, hotels, airports, hospitals, shopping malls, and office spaces. The grille is manufactured from high-strength extruded aluminium sections to withstand pedestrian traffic while maintaining excellent airflow performance.
Material Construction & Technical specification
| Parameter | Specification |
|---|---|
| Material | Extruded Aluminium profile |
| Frame | Heavy-duty extruded aluminium |
| Blade Type Fixed | Linear Bars 0° as standard |
| Frame Thickness | 1.5–2.0 mm |
| Flange | 15 mm |
| Bar Thickness | 1.6 – 2.0 mm |
| Bar Head Thickness | 6 mm thickness |
| Blade Spacing | 10 -12 mm |
| Free Area | 60–65% |
| Core | Fixed Core as standard (Removable as Optional) |
| Finish | Natural Anodized / Powder Coated |
| Standard Colour | Standard White or any other RAL Shades |
| Fastening | Concealed Screw Fixing / Spring Clip |
| Damper | Opposed Blade collar Damper Aluminium or Gi (Optional) |
| Maximum Face Velocity | 2.5–4.0 m/s |
| Operating Temperature | -10°C to +80°C |
| Corrosion Resistance | Excellent |
| Installation | Floor Mounted |
Standard Sizes
| 600 × 600 | Raised Floor Tile Model |
Custom sizes available on request.
Performance Data
| Air Volume Flow Rate | Air Volume Flow Rate (m3/h) | Face Velocity (m/s) | Effective Free Area (Ak) | Static Pressure Drop without Damper (Pa) | Static Pressure Drop with Damper Open (Pa) | Noise Criterion (NC Level) | Throw Range in @meters (m) |
|---|---|---|---|---|---|---|---|
| 150 | 540 | 0.8 | ~0.18 m2 (~-50%) | 1.0 – 2.0 | 3.5 – 5.0 | < 15 | 1.8 – 2.4 |
| 200 | 720 | 1.0 – 1.1 | ~0.18 m2 (~-50%) | 2.0 – 3.0 | 6.0 – 8.5 | < 15 – 18 | 2.5 – 3.2 |
| 250 | 900 | 1.3 – 1.4 | ~0.18 m2 (~-50%) | 3.5 – 4.5 | 10.0 – 13.0 | 18 – 23 | 3.2 – 3.8 |
| 300 | 1080 | 1.6 – 1.7 | ~0.18 m2 (~-50%) | 5.5 – 7.0 | 15.0 – 18.5 | 24 – 28 | 3.8 – 4.5 |
| 350 | 1260 | 1.9 – 2.1 | ~0.18 m2 (~-50%) | 8.0 – 10.5 | 21.0 – 26.0 | 29 – 34 | 4.4 – 5.2 |
| 400 | 1440 | 2.2 – 2.4 | ~0.18 m2 (~-50%) | 11.5 – 14.5 | 28.0 – 35.0 | 35 – 39 | 5.0 – 6.0 |
Features
- Heavy-duty extruded aluminium construction
- High structural strength for floor installation
- Corrosion-resistant finish
- Suitable for supply and return air
- Optional opposed blade collar dampers as accessories
- Available in natural anodized or powder-coated finish
Applications
- Commercial Buildings , office spaces, Hotels, Shopping Malls, Hospitals, Cleanrooms & Laboratories
- Airports, Data centres, server rooms, Raised Flor systems, Computer rooms
Air Flow Blocked
Air Flow Released
Dimensions
