SL-440

SL-440

DESCRIPTION

OSA Architectural Line Penthouses use AMCA Certified Fixed louver blade continuously around all four sides. Penthouses are mitered and welded at corners providing a horizontal line. Where air control is desired, operating penthouse louvers with mullions can be supplied. Any louver in this brochure may be used in a penthouse application.

AIRFLOW PERFORMANCE

• Free Area: 56% , based on a test sample of 48in (1219.2mm) x 48in (1219.2mm)
• Pressure Drop at Beginning Point of Water Penetration: 0.1 in. H2O (25 Pa)
• Free Area Velocity at Beginning Point of Water Penetration: 820 fpm (4.17 m/s)
• Air Volume Flow Rate at Beginning Point of Water Penetration – 48in x 48in unit: 6,845 cfm (3.06 m³/s)
• Airflow Classification—Class 2