| Pressure Drop (inches WG) - Fully Open | 500 fpm | 1,000 fpm | 1,500 fpm | 2,000 fpm | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 6 inch 24 inch |
0.4 0.07 |
0.41 0.16 |
0.55 0.30 |
0.91 0.55 |
||||||
| Maximum System Velocity | 2,000 fpm | |||||||||
| Leakage for 6” Diameter Damper | ||||||||||
| Static Pressure, inch WG | 1.0 | 1.5 | 2.0 | 2.5 | 3.0 | |||||
| Leakage, cfm/sq ft | 8.7 | 11.0 | 10.6 | 11.6 | 13.0 | |||||
| Temperature Rating | -40 to 200°F (-40 to 93°C) | |||||||||
| Approximate Weight | 5 lb/sq. ft (2.27 kg/sq. ft) | |||||||||
Note: Dampers are tested at an AMCA Certified Laboratory using
instrumentation and procedures in accordance with AMCA Standard No. 500, Test
Methods for Louvers, Dampers, Shutters. All dampers are labeled as to direction of
airflow and position during testing.