Gravity Roof Vent, 19 In Sq Base, 199 CFM - 2RB68
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Dayton
Gravity Roof Vent, 19 In Sq Base, 199 CFM - 2RB68
Gravity Ventilator, Exhaust Airflow @ 0.100 in SP 365 cfm, Housing Material Aluminum, Assembly Fully Assembled, Compatible Curb Grainger Part Number 2RB75, Compatible Damper Grainger Part Number 4HX38, Mount Type Roof Curb, Number of Filters 0
- Country of Origin:
- United States
- Item - Roof Ventilators:
- Gravity Ventilator
- Style - Roof Ventilators:
- Low Profile
- Blade Dia.:
- 8";Base Size - Roof Ventilators=19 in x 19 in"
- CFM/Throat Velocity @ 0.050-In. SP Gravity Relief:
- 258/697
- CFM/Throat Velocity @ 0.050-In. SP Gravity Intake:
- 199/538
- CFM/Throat Velocity @ 0.250-In. SP Gravity Relief:
- 576/1558
- CFM/Throat Velocity @ 0.250-In. SP Gravity Intake:
- 445/1204
- Base Width (In.):
- 19
- Recommended 8 In. Fixed Curb Item No.:
- 4HX38
- Dimension C:
- 7 1/4 in
- Dimension C (In.):
- 7-1/4
- Dimension B:
- 20 1/2 in
- Dimension D (In.):
- 1-1/2
- Max. Intake CFM/Throat Velocity:
- 780/2102
- CFM/Throat Velocity @ 0.200-In. SP Gravity Relief:
- 516/1393
- CFM/Throat Velocity @ 0.100-In. SP Gravity Intake:
- 282/761
- Dimension A (In.):
- 19
- CFM/Throat Velocity @ 0.125-In. SP Gravity Intake:
- 315/851
- Fan Size (In.):
- 8
- Construction Material:
- Spun Aluminum
- Dimension B (In.):
- 20-1/2
- Base Length (In.):
- 19
- CFM/Throat Velocity @ 0.200-In. SP Gravity Intake:
- 398/1077
- Item:
- Gravity Ventilator
- Recommended 12 In. Fixed Curb Item No.:
- 2RB75
- Depth (In.):
- 20 1/2 in
- Overall Height (In.):
- 9 in
- Width (In.):
- 20 1/2 in
- CFM/Throat Velocity @ 0.125-In. SP Gravity Relief:
- 408/1102
- Dimension A:
- 19 in
- Dimension D:
- 1 1/2 in
- CFM/Throat Velocity @ 0.100-In. SP Gravity Relief:
- 365/985
- Throat Area:
- 0.37 sq ft
- Assembly:
- Fully Assembled
- Number of Filters:
- 0
- Supply Airflow @ 0.125 in SP:
- 315 cfm
- Resistance Properties:
- Corrosion Resistant
- Overall Length:
- 19 in
- Exhaust Airflow @ 0.100 in SP:
- 365 cfm
- Overall Height:
- 9 in
- Maximum Airflow:
- 780 cfm
- Supply Airflow @ 0.100 in SP:
- 282 cfm
- Maximum Static Pressure:
- 1/2 in wc
- Damper Size:
- 8 x 8 in
- Supply Airflow @ 0.250 in SP:
- 445 cfm
- Exhaust Airflow @ 0.125 in SP:
- 408 cfm
- Mount Type:
- Roof Curb
- Base Height:
- 1 3/4 in
- Overall Diameter:
- 20 1/2 in
- Exhaust Airflow @ 0.250 in SP:
- 576 cfm
- Ventilation Type:
- Exhaust, Supply
- Base Width:
- 19 in
- Overall Width:
- 20 1/2 in
- Intake Area:
- 1.3 sq ft
- Weight:
- 7 lb
- For Air Type:
- Clean Air
- Airflow @ Static Pressure:
- 199 cfm @ 0.050 in SP (Gravity Intake), 258 cfm @ 0.050 in SP (Gravity Relief), 282 cfm @ 0.100 in SP (Gravity Intake), 315 cfm @ 0.125 in SP (Gravity Intake), 365 cfm @ 0.100 in SP (Gravity Relief), 398 cfm @ 0.200 in SP (Gravity Intake), 408 cfm @
- Base Length:
- 19 in
- Housing Material Fabrication:
- Spun
- Housing Material:
- Aluminum
- Includes:
- Birdscreen
- Package Quantity:
- 1
