Gravity Vent, 30 In, Base 34 1/2 In Sq
| Item - Roof Ventilators | Gravity Ventilator |
|---|---|
| Style - Roof Ventilators | Low Profile |
| Blade Dia. | 30 in |
| Base Size - Roof Ventilators | 34-1/2 in x 34-1/2 in |
| CFM/Throat Velocity @ 0.050-In. SP Gravity Relief | 3646/583 |
| CFM/Throat Velocity @ 0.050-In. SP Gravity Intake | 3153/504 |
| CFM/Throat Velocity @ 0.250-In. SP Gravity Relief | 8153/1304 |
| CFM/Throat Velocity @ 0.250-In. SP Gravity Intake | 7050/1128 |
| Recommended 12 3/8"H Roof Curb Item No. | 2ZV84 |
| Dimension B | 57 in |
| CFM/Throat Velocity @ 0.200-In. SP Gravity Intake | 6306/1009 |
| Overall Height (In.) | 38 |
| Base Length (In.) | 34-1/2 |
| Fan Size (In.) | 30 |
| Dimension F (In.) | 16 |
| Dimension D | 38 in |
| CFM/Throat Velocity @ 0.125-In. SP Gravity Relief | 5765/922 |
| Recommended 12 In. Fixed Curb Item No. | 3AZH8 |
| Dimension D (In.) | 38 |
| Recommended Gravity Backdraft Damper Item No. | 3HHL8 |
| Recommended 6 3/8"H Roof Curb Item No. | 4C455 |
| CFM/Throat Velocity @ 0.125-In. SP Gravity Intake | 4985/798 |
| Width (In.) | 57 |
| Base Width (In.) | 34-1/2 |
| Depth (In.) | 60 |
| Item | Roof Vent Hood |
| Max. Intake CFM/Throat Velocity | 8784/1301 |
| Dimension G (In.) | 11-1/2 |
| Damper Size (In.) | 31 x 31 |
| CFM/Throat Velocity @ 0.100-In. SP Gravity Intake | 4459/713 |
| Dimension E (In.) | 22 |
| CFM/Throat Velocity @ 0.100-In. SP Gravity Relief | 5156/825 |
| CFM/Throat Velocity @ 0.200-In. SP Gravity Relief | 7292/1167 |
| Construction Material | Galvanized Steel |
| Dimension B (In.) | 57 |
| Dimension E | 22 in |
| Dimension F | 16 in |
| Dimension A (In.) | 34-1/2 |
| Dimension C (In.) | 60 |
| Dimension A | 34-1/2 in |
| Dimension C | 60 in |
| Dimension H | 10-1/2 in |
| Dimension H (In.) | 10-1/2 |
| Dimension G | 11-1/2 in |
| Overall Width | 57 in |
| Overall Height | 38 in |
| Includes | Birdscreen |
| Overall Length | 57 in |
| Airflow @ Static Pressure | 3,153 cfm @ 0.050 in SP (Gravity Intake), 3,646 cfm @ 0.050 in SP (Gravity Relief), 4,459 cfm @ 0.100 in SP (Gravity Intake), 4,985 cfm @ 0.125 in SP (Gravity Intake), 5,156 cfm @ 0.100 in SP (Gravity Relief), 5,765 cfm @ 0.125 in SP (Gravity Relief), 6,306 cfm @ 0.200 in SP (Gravity Intake), 7,050 cfm @ 0.250 in SP (Gravity Intake), 7,292 cfm @ 0.200 in SP (Gravity Relief), 8,153 cfm @ 0.050 in SP (Gravity Relief) |
| Mount Type | Roof Curb |
| Blade Diameter | 30 in |
| Hood Width | 60 in |
| Housing Material | Steel |
| Hood Height | 16 in |
| Supply Airflow @ 0.125 in SP | 4,985 cfm |
| Base Length | 34-1/2 in |
| Housing Width | 34-1/2 in |
| Cutout Width | 31-1/2 in |
| Damper Size | 31 in x 31 in |
| Exhaust Airflow @ 0.250 in SP | 8,153 cfm |
| Housing Finish | Galvanized |
| Hood Type | Hinged Hood |
| Supply Airflow @ 0.100 in SP | 4,459 cfm |
| Assembly | Partially Assembled |
| Housing Length | 34-1/2 in |
| Supply Airflow @ 0.250 in SP | 7,050 cfm |
| Maximum Airflow | 8,784 cfm |
| Hood Length | 57 in |
| Exhaust Airflow @ 0.100 in SP | 5,156 cfm |
| Cutout Length | 31-1/2 in |
| Base Height | 22 in |
| Base Width | 34-1/2 in |
| Maximum Inlet Air Temperature | 104 Degrees F |
| Ventilation Type | Exhaust, Supply |
| Number of Filters | 0 |
| Exhaust Airflow @ 0.125 in SP | 5,765 cfm |
| For Air Type | Clean Air |
| Country of Origin (subject to change) | United States |
| Package Quantity | 1 |