Application | Industrial and Commercial Buildings |
Assembly | Unassembled |
Base Diameter | Not Applicable |
Base Dimension | 57 1/2 in Square |
Base Height, Base Height (In.) | 1 3/4 in |
Base Length (In.), Base Width (In.) | 57-1/2 |
Base Length, Base Width, Overall Width | 57 1/2 in |
Base Shape | Square |
Base Size - Roof Ventilators | 57 1/2 in x 57 1/2 in |
Bearing Type | Regreasable Pillow Block |
Blade Design | Swept Steeply Pitched |
Blade Dia., Blade Diameter | 48 in |
Blade Finish, Housing Finish | Galvanized |
Blade Material, Housing Material | Steel |
Brake Horsepower | 2 1/5 hp |
Brand | Dayton |
Compatible Curb Grainger Part Number, Compatible Curb Manufacturer Part Number | 2ZV86, 3AZJ7, 3C216, 4HX45, 4HX53 |
Current Stock | 2 |
Cutout Length | 52 in |
Cutout Size | 52 in L x 52 in W |
Drive Type | Belt Drive |
Electrical Connection | Power Cord |
Features | Spring Loaded Damper Lifters |
For Air Type | Emergency Smoke |
For High-Static Pressure Applications, Includes Drive Package, Includes Motor, International Shipping, Speed Controllable | No |
Fusible Link Temperature | 165 Degrees F |
Housing Length, Housing Width, Overall Dia. (In.), Overall Diameter | 56 in |
Item | Axial Upblast Roof Exhaust Fan |
Maximum Airflow | 34,761 cfm |
Maximum Ambient Temperature | 1,000 Degrees F |
Maximum Fan Speed, Maximum Motor Speed | 587 RPM |
Maximum Inlet Air Temperature | 120 Degrees F |
Maximum Motor Horsepower | 5 hp |
Maximum Noise Level @ 5 Feet | 29 sones |
Maximum Static Pressure | 1/2 in wc |
Minimum Airflow | 18,650 cfm |
Minimum Motor Horsepower | 2 hp |
Minimum Motor Speed | 313 RPM |
Mount Type | Roof Curb |
Mounting Location | Roof |
Mounting Orientation | Horizontal, Vertical |
Mpn | 2RB67 |
Noise Level @ 0.000 in SP @ 5 ft | 18.8 sones |
Number of Blades | 6 |
Overall Depth | 74 in |
Overall Height | 71 7/8 in |
Overall Height (In.) | 71 5/6 in |
Power Source | Electric Motor |
Propeller Shaft Diameter, Shaft Dia. Propeller End (In.), Shaft Dia. Sheave End (In.) | 1 1/4 in |
Resistance Properties | Weather Resistant |
Series | RBUMO |
SKU | ZO-G1673813 |
Smoke Control Maximum Temperature | 100 Degrees F for 15 min, 500 Degrees F for 4 hr |
Sound Level | Fan RPM 433: 18.8 Sones @ 0.000 in SP and 5 ft, 18.4 sones @ 0.125 in SP and 5 ft, 18.2 sones @ 0.250 in SP and 5 ft, Fan RPM 496: 23.0 Sones @ 0.000 in SP and 5 ft, 23.0 sones @ 0.125 in SP and 5 ft, 22.0 sones @ 0.250 in SP and 5 ft, 23.0 sones @ 0.375 in SP and 5 ft, Fan RPM 587: 29.0 Sones @ 0.000 in SP and 5 ft, 29.0 sones @ 0.125 in SP and 5 ft, 29.0 sones @ 0.250 in SP and 5 ft, 28.0 sones @ 0.375 in SP and 5 ft, 29.0 sones @ 0.500 in SP and 5 ft |
Spark Resistant Construction Type | A |
Standards | UL and cUL Listed |
UPC | 190735229545 |