Dayton 3G-OTH-81812 — Technical Specifications
The Dayton Centrifugal Downblast Roof Exhaust Fan is a flammable vapor belt-drive fan with drive, model 7AF20. It is unassembled, features a square base, and includes a drive package. The fan has a 24 1/2-inch wheel, delivers 4,637 cfm exhaust airflow, and is rated for hazardous locations including Class I Groups C & D and Class II Groups E, F & G. It operates with a 230/460V AC, totally enclosed nonventilated, standard-efficiency motor.
Technical Specifications
| Parameter | Value |
|---|---|
| Type | Includes Drive Pack, 4,637 cfm |
| Brand | DAYTON |
| Wheel | 24 1/2 in |
| Assembly | Unassembled |
| Base Shape | Square |
| Drive Package | Includes Drive Package |
| Motor Enclosure | Totally Enclosed Nonventilated |
| Motor Efficiency | Standard-Efficiency Motors |
| Number Of Speeds | 1 |
| Mounting Location | Roof |
| Nameplate Voltage | 230/460V AC |
| High-Efficiency Motor | No |
| Manufacturer Part Number | 7AF20 |
| Hazardous Location Rating | Class I Groups C & D, Class II Groups E, F & G |
| Hazardous Location Specification | Class I Group C, Class I Group D, Class II Group E, Class II Group F, Class II Group G |
| Exhaust Airflow @ 0.000 In SP - Range | 2,000 to 4,999 cfm |
| For High-Static Pressure Applications | No |