Blade Selection Guide.

Most of our louvre products (panel louvres, continuous louvres, penthouse louvres and louvred doors) can be made with a range of blade profiles.

The performance data below will assist you in selecting the right blade profile for you application.

Blade Performance Comparisons

Cd Value - Louvre Comparison

Figure 1: Cd Values for Naco Louvres

Free Area % Louvre Comparison.

Figure 2: Free Area % for Naco Louvres

Blade Profile Pressure Loss Data

Figure 3: Pressure Loss (Pa) vs Face velocity (m/s)

Blade descriptions and applications.