Product

Aluminium Fresh Air & Exhaust Air Louvers (FAL / EAL)

Brand

Navajyothi Air Flow

Application

Fresh air intake and exhaust air ventilation for HVAC systems.

Product Description

Aluminium Fresh Air & Exhaust Air Louvers are designed for efficient intake of fresh air and discharge of exhaust air in HVAC ventilation systems. Manufactured from premium-grade extruded aluminium, these louvers feature aerodynamic fixed blades inclined downwards at 45° that provide optimum airflow while preventing the ingress of rain, protect against rain water, birds, insects, and debris. They are suitable for commercial, industrial, institutional, and residential applications.

Technical Specifications

Parameter Specification
Product Type Aluminium Fresh Air / Exhaust Air Louver
Material Extruded Aluminium
Frame Depth 35 mm
Frame width 25 mm as standard / other sizes as optional
Blade Type Fixed inclined Blades
Blade Pitch 35 mm (Standard)
Blade Inclination 45°
Blade Thickness 1.0–1.2 mm
Frame Thickness 1.2–1.5 mm
Finish Smooth Powder Coated
Standard Colour RAL 9003 White
Optional Colours Any Standard RAL Shades
Mounting Wall or Duct Mounting
Fastening Concealed or Exposed Screw Fixing
Bird Screen Optional Aluminium / GI Bird Mesh
Insect Screen Optional insect screen Mesh
Standard sizes 150 x 150 mm to 1200 x 1200 mm
Other sizes Custom sizes as per request
Applications
  • Commercial Buildings, Office complexes, Hospitals, Hotels, Shopping Malls
  • Educational Institutions, industrial plants, warehouses, Mechanical equipment rooms

Our Drawing :

Standard performance data table :

Louver Size (W × H mm) Airflow (CFM) Face Velocity (m/s) Free Area Velocity (m/s) Pressure Drop (Pa)
300 × 300 250 4.3 9.5 55
450 × 300 375 4 8.9 48
600 × 300 500 3.9 8.7 45
600 × 450 750 4 8.9 48
600 × 600 1000 4 8.9 48
750 × 450 940 3.9 8.7 45
750 × 600 1250 3.8 8.4 43
900 × 450 1125 4 8.9 48
900 × 600 1500 3.9 8.7 45
1000 × 500 1550 3.9 8.7 45
1000 × 600 1850 3.9 8.7 45
1200 × 600 2200 3.8 8.4 43
1200 × 750 2750 4 8.9 48
1500 × 600 2750 3.8 8.4 43
1500 × 750 3450 3.9 8.7 45
1800 × 600 3300 3.8 8.4 43
1800 × 750 4100 3.8 8.4 43
1800 × 900 4950 3.8 8.4 43
2000 × 1000 6100 3.9 8.7 45
2400 × 1200 8800 3.8 8.4 43