Gravity Roof Vent, 22 In Sq Base - 2RB70

Gravity Roof Vent, 22 In Sq Base - 2RB70

Dayton
SKU:
2RB70
|
UPC:
190735229576
Availability:
In Stock

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Description
Gravity Ventilator, Exhaust Airflow @ 0.100 in SP 740 cfm, Housing Material Aluminum, Assembly Fully Assembled, Compatible Curb Grainger Part Number 2RB76, Compatible Damper Grainger Part Number 4HX39, Mount Type Roof Curb, Number of Filters 0
Additional Information
Country of Origin:
United States
Item - Roof Ventilators:
Gravity Ventilator
Style - Roof Ventilators:
Low Profile
Blade Dia.:
12";Base Size - Roof Ventilators=22 in x 22 in"
CFM/Throat Velocity @ 0.050-In. SP Gravity Relief:
523/638
CFM/Throat Velocity @ 0.050-In. SP Gravity Intake:
448/546
CFM/Throat Velocity @ 0.250-In. SP Gravity Relief:
1171/1428
CFM/Throat Velocity @ 0.250-In. SP Gravity Intake:
1001/1221
Base Length (In.):
22
Construction Material:
Spun Aluminum
Dimension B (In.):
29
Dimension C:
10 in
Dimension C (In.):
10
Base Width (In.):
22
Fan Size (In.):
12
CFM/Throat Velocity @ 0.200-In. SP Gravity Intake:
895/1092
CFM/Throat Velocity @ 0.125-In. SP Gravity Intake:
708/863
Width (In.):
29 in
Item:
Gravity Ventilator
CFM/Throat Velocity @ 0.100-In. SP Gravity Intake:
633/772
Recommended 8 In. Fixed Curb Item No.:
4HX39
Dimension B:
29 in
Max. Intake CFM/Throat Velocity:
1512/1848
Overall Height (In.):
11 3/4 in
CFM/Throat Velocity @ 0.100-In. SP Gravity Relief:
740/903
Dimension D (In.):
3-1/2
CFM/Throat Velocity @ 0.200-In. SP Gravity Relief:
1047/1277
Dimension A (In.):
22
Dimension D:
3 1/2 in
CFM/Throat Velocity @ 0.125-In. SP Gravity Relief:
828/1009
Depth (In.):
29 in
Recommended 12 In. Fixed Curb Item No.:
2RB76
Dimension A:
22 in
Intake Area:
2.52 sq ft
Supply Airflow @ 0.125 in SP:
708 cfm
Includes:
Birdscreen
Overall Length:
22 in
Exhaust Airflow @ 0.125 in SP:
828 cfm
Base Width:
22 in
Throat Area:
0.82 sq ft
Mount Type:
Roof Curb
Housing Material Fabrication:
Spun
For Air Type:
Clean Air
Overall Width:
29 in
Exhaust Airflow @ 0.100 in SP:
740 cfm
Supply Airflow @ 0.250 in SP:
1,001 cfm
Base Length:
22 in
Airflow @ Static Pressure:
1,001 cfm @ 0.250 in SP (Gravity Intake), 1,047 cfm @ 0.200 in SP (Gravity Relief), 1,171 cfm @ 0.050 in SP (Gravity Relief), 448 cfm @ 0.050 in SP (Gravity Intake), 523 cfm @ 0.050 in SP (Gravity Relief), 633 cfm @ 0.100 in SP (Gravity Intake), 708
Exhaust Airflow @ 0.250 in SP:
1,171 cfm
Assembly:
Fully Assembled
Supply Airflow @ 0.100 in SP:
633 cfm
Damper Size:
12 x 12 in
Number of Filters:
0
Base Height:
1 3/4 in
Maximum Airflow:
1,512 cfm
Weight:
10 lb
Overall Height:
11 3/4 in
Resistance Properties:
Corrosion Resistant
Overall Diameter:
29 in
Housing Material:
Aluminum
Ventilation Type:
Exhaust, Supply
Maximum Static Pressure:
1/2 in wc
Package Quantity:
1
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