6774
Airolite louver type 6774 is a drainable louver designed to achieve high volume airflow and provide superior resistance to water penetration. Drainable louvers are characterized by gutters incorporated at the front edge of each blade to prevent water droplets from cascading from blade-to-blade and becoming entrained in the intake airflow.
Specifications
| General | |
| Beginning Point of Water Penetration | 1,056 fpm (5.35 m/s) |
| Pressure Drop at Beginning Point of Water Penetration | 0.24 in. wg (0.06kPa) |
| Test Standard | AMCA Standard 500-L Water |
| Blade Angle | 43° |
| Percent Free Area | 44% |
| Louver Depth | 4” (101.6 mm |
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