DAYTON 7A657 Downblast Vent Belt Drive 18-1/2 In
4102 CFM
Get it by Wednesday, Dec 24
10.00% off
€2,831.02 /unit
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Product Specifications:
| Item | Downblast Ventilator |
| Application | Industrial And Commercial Applications |
| Assembled/unassembled | Unassembled |
| Assembly | Unassembled |
| Base Dia. | Not Applicable |
| Base Height | 1 3/4" |
| Base Length | 30" |
| Base Shape | Square |
| Base Size | 30" x 30" |
| Base Width | 30" |
| Bearing Type | Regreasable Pillow Block |
| Brake Hp | 77/100 bhp |
| Compatible Curb Grainger Part No. | 2RB79, 2ZV83, 3C437, 4C454, 4HX41, 4HX49 |
| Compatible Damper Grainger Part Number | 4HX67 |
| Damper Size | 23" x 23" |
| Dimension A | 30" |
| Dimension B | 35 1/2" |
| Dimension C | 34 3/8" |
| Dimension D | 5 1/2" |
| Drive Package Included | Yes |
| Drive Package With Motor Included | Yes |
| Drive Type | Belt Drive |
| Duty Rating | Standard |
| Electrical Connection | Power Cord |
| Exhaust Airflow @ 0.000 In Sp | 4102 CFM |
| Exhaust Airflow @ 0.125 In Sp | 3990 CFM |
| Exhaust Airflow @ 0.250 In Sp | 3867 CFM |
| Exhaust Airflow @ 0.375 In Sp | 3742 CFM |
| Exhaust Airflow @ 0.500 In Sp | 3596 CFM |
| Features | Fully Rolled Windband Bead For Increased Stability And Easy Transport, Nema 1 Junction Box Located In Motor Enclosure |
| For Air Type | Clean Air |
| For High-static Pressure Applications | No |
| Frequency | 60 Hz |
| High-efficiency Motor | No |
| Housing Length | 35 1/2" |
| Housing Material | Aluminum |
| Housing Material Fabrication | Spun |
| Housing Width | 35 1/2" |
| Includes Drive Package | Yes |
| Includes Drive Package With Motor | Yes |
| Includes Motor | Yes |
| Max. Bhp | 0.77 bhp |
| Max. Inlet Temp. | 180°F |
| Maximum Fan Speed | 1055 RPM |
| Maximum Static Pressure | 1 in. wc |
| Motor Enclosure | Open Dripproof |
| Motor Hp | 3/4 hp |
| Motor Location | Out Of Airstream |
| Motor Voltage | 208-230/460V |
| Mount Type | Roof Curb |
| Mounting Location | Roof |
| Nameplate Voltage | 208-230/440V AC |
| Number Of Speeds | 1 |
| Overall Dia. | 35 1/2" |
| Overall Height | 36 1/8" |
| Overall Length | 35 1/2" |
| Overall Width | 35 1/2" |
| Phase | 3 |
| Propeller Shaft Dia. | 3/4" |
| Resistance Properties | Weather Resistant |
| Safety Features | Birdscreen, Windband |
| Shaft Dia. Sheave End | 3/4" |
| Shaft Dia. Wheel End | 3/4" |
| Sones @ 0.125-in. Sp @ 5 Ft. | 15.7 sones |
| Sones @ 0.250-in. Sp @ 5 Ft. | 14.9 sones |
| Sones @ 0.500-in. Sp @ 5 Ft. | 14 sones |
| Sound Level | 12.4 Sones @ 1.000 in Sp And 5 Ft, 12.7 Sones @ 0.875 in Sp And 5 Ft, 12.9 Sones @ 0.750 in Sp And 5 Ft, 13.5 Sones @ 0.625 in Sp And 5 Ft, 14.0 Sones @ 0.500 in Sp And 5 Ft, 14.4 Sones @ 0.375 in Sp And 5 Ft, 14.9 Sones @ 0.250 in Sp And 5 Ft, 15.7 Sones @ 0.125 in Sp And 5 Ft, 16.2 Sones @ 0.000 in Sp And 5 Ft |
| Spark Resistant Construction Type | A |
| Speed Control | No |
| Wheel Dia. | 18 1/2" |
| Wheel Material | Aluminum |
| Wheel Type | Backward Inclined |
Shipping Info:
| Ship weight (kg) | 61.64 |
| Ship height (cm) | 91.76 |
| Ship length (cm) | 90.17 |
| Ship width (cm) | 90.17 |
| HS code | 8414599080 |
| Country of Origin | US |
Product Variants
| Model | Assembled/unassembled | Overall Height | Phase | Motor Hp | Cfm @ 0.000-in. Sp | Wheel Diameter | Dimension A | Dimension B | Price | |
|---|---|---|---|---|---|---|---|---|---|---|
| 2RB59 | Assembled | 26 5/8" | 1 | 1/4 hp | - | - | 19" | 24 3/8" | €1,213.69 | |
| 2RB60 | Assembled | 26 5/8" | 1 | 1/4 hp | - | - | 19" | 24 3/8" | €1,156.54 | |
| 2RB61 | Assembled | 26 5/8" | 1 | 1/4 hp | - | - | 19" | 24 3/8" | €1,254.28 | |
| 2RB62 | Assembled | 26 5/8" | 1 | 1/3 hp | - | 11" | 22" | 24 3/8" | €1,334.33 | |
| 2RB63 | Assembled | 26 5/8" | 1 | 1/2 hp | - | - | 22" | 24 3/8" | €1,279.24 | |
| 2RB64 | Assembled | 26 5/8" | 1 | 1/2 hp | - | - | 26" | 28 3/8" | €1,463.34 | |
| 3GY66 | Assembled | 29 3/4" | 3 | - | - | - | 30" | 35 1/2" | €2,214.15 |
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DAYTON 7A657 Downblast Vent Belt Drive 18-1/2 In
€3,145.58 /unit