Gravity Vent, 48 In, Base 54 1/2 In Sq
| Item - Roof Ventilators | Gravity Ventilator |
|---|---|
| Style - Roof Ventilators | Low Profile |
| Blade Dia. | 48 in |
| Base Size - Roof Ventilators | 54-1/2 in x 54-1/2 in |
| CFM/Throat Velocity @ 0.050-In. SP Gravity Relief | 7695/481 |
| CFM/Throat Velocity @ 0.050-In. SP Gravity Intake | 7300/456 |
| CFM/Throat Velocity @ 0.250-In. SP Gravity Relief | 17,207/1075 |
| CFM/Throat Velocity @ 0.250-In. SP Gravity Intake | 16,323/1020 |
| Dimension B | 90 in |
| Fan Size (In.) | 48 |
| Dimension A | 54-1/2 in |
| CFM/Throat Velocity @ 0.100-In. SP Gravity Relief | 10,882/680 |
| Dimension A (In.) | 54-1/2 |
| Dimension D | 42-1/2 in |
| Dimension G | 12-1/2 in |
| Dimension C | 84 in |
| Recommended 12 In. Fixed Curb Item No. | 3AZJ6 |
| Overall Height (In.) | 42-1/2 |
| Dimension F | 16 in |
| Dimension D (In.) | 42-1/2 |
| CFM/Throat Velocity @ 0.125-In. SP Gravity Intake | 11,542/721 |
| CFM/Throat Velocity @ 0.200-In. SP Gravity Relief | 15,390/962 |
| Dimension C (In.) | 84 |
| Dimension F (In.) | 16 |
| Damper Size (In.) | 49 x 49 |
| CFM/Throat Velocity @ 0.200-In. SP Gravity Intake | 14,600/912 |
| Dimension E (In.) | 26-1/2 |
| Construction Material | Galvanized Steel |
| CFM/Throat Velocity @ 0.100-In. SP Gravity Intake | 10,324/645 |
| Dimension H (In.) | 14 |
| Recommended 12 3/8"H Roof Curb Item No. | 2ZV86 |
| Recommended Gravity Backdraft Damper Item No. | 6WRK8 |
| Item | Roof Vent Hood |
| Width (In.) | 90 |
| Recommended 6 3/8"H Roof Curb Item No. | 3C216 |
| Dimension E | 26-1/2 in |
| CFM/Throat Velocity @ 0.125-In. SP Gravity Relief | 12,167/760 |
| Max. Intake CFM/Throat Velocity | 20,766/1240 |
| Dimension B (In.) | 90 |
| Dimension G (In.) | 12-1/2 |
| Dimension H | 14 in |
| Base Width (In.) | 54-1/2 |
| Depth (In.) | 90 |
| Base Length (In.) | 54-1/2 |
| Overall Width | 90 in |
| Overall Height | 42-1/2 in |
| Overall Length | 90 in |
| Includes | Birdscreen |
| Supply Airflow @ 0.250 in SP | 16,323 cfm |
| Airflow @ Static Pressure | 10,234 cfm @ 0.100 in SP (Gravity Intake), 10,882 cfm @ 0.100 in SP (Gravity Relief), 11,542 cfm @ 0.125 in SP (Gravity Intake), 12,167 cfm @ 0.125 in SP (Gravity Relief), 14,600 cfm @ 0.200 in SP (Gravity Intake), 15,390 cfm @ 0.200 in SP (Gravity Relief), 16,323 cfm @ 0.250 in SP (Gravity Intake), 17,207 cfm @ 0.050 in SP (Gravity Relief), 7,300 cfm @ 0.050 in SP (Gravity Intake), 7,695 cfm @ 0.050 in SP (Gravity Relief) |
| Base Length | 54-1/2 in |
| Housing Width | 54-1/2 in |
| Ventilation Type | Exhaust, Supply |
| For Air Type | Clean Air |
| Assembly | Partially Assembled |
| Maximum Inlet Air Temperature | 104 Degrees F |
| Hood Type | Hinged Hood |
| Hood Width | 84 in |
| Base Width | 54-1/2 in |
| Maximum Airflow | 20,766 cfm |
| Supply Airflow @ 0.125 in SP | 11,542 cfm |
| Number of Filters | 0 |
| Hood Height | 16 in |
| Exhaust Airflow @ 0.125 in SP | 12,167 cfm |
| Exhaust Airflow @ 0.250 in SP | 17,207 cfm |
| Housing Material | Steel |
| Cutout Width | 49-1/2 in |
| Base Height | 26-1/2 in |
| Mount Type | Roof Curb |
| Supply Airflow @ 0.100 in SP | 10,324 cfm |
| Cutout Length | 49-1/2 in |
| Housing Length | 54-1/2 in |
| Damper Size | 49 in x 49 in |
| Hood Length | 90 in |
| Housing Finish | Galvanized |
| Exhaust Airflow @ 0.100 in SP | 10,882 cfm |
| Blade Diameter | 48 in |
| Country of Origin (subject to change) | United States |
| Package Quantity | 1 |