China 20 inch aluminum blade industrial fan Manufacturer, Supplier
For high-heat production floors, workshops, and loading docks, the 20 inch aluminum blade industrial fan delivers a dependable cooling core without the corrosion risk of standard steel blades. The unit draws from the same structural playbook as our 20 inch metal industrial stand fan, using a tubular steel stand and a powder-coated guard that holds up under daily impact. Where wide-area coverage is needed, the oscillation arc matches the sweep pattern of a proven 20" oscillating industrial pedestal fan, moving air across multiple workstations rather than one fixed spot. Speed control is equally straightforward: the three-position rotary switch mirrors the operating logic of the 20 inch 3 speed industrial pedestal fan, giving workers a clear low-medium-high response for spot cooling or general ventilation. Height positioning is tool-free and repeatable, borrowing the locking collar design found on our 20" adjustable height industrial fan so teams can reposition the air stream as tasks change.
The 20 inch aluminum blade industrial fan pairs a lightweight 3-blade aluminum assembly with a thermally protected 1/3 HP motor. This combination keeps rotating mass low, which reduces start-up stress and extends bearing life in continuous-duty applications. The aluminum blades are precision-balanced at the factory to minimize vibration and noise, and the front and rear guards are finished with an anti-corrosion coating suited for humid or mildly corrosive environments.
- Blade diameter: 20 in (508 mm)
- Blade material: Aluminum alloy, 3-blade configuration
- Motor: 1/3 HP, 120V/60Hz, thermally protected
- Speed settings: 3 (low / medium / high)
- Maximum airflow: 4,800 CFM
- Oscillation: 90° sweep, switch-controlled
- Height adjustment range: 48–60 in
- Power cord: 10 ft, SJT 3-conductor
- Net weight: 28 lb
- Certifications: ETL listed, OSHA compliant
| Parameter | Specification |
|---|
| Blade diameter | 20 in (508 mm) |
| Blade material | Aluminum alloy |
| Motor power | 1/3 HP |
| Voltage / frequency | 120V / 60Hz |
| Speed settings | 3 |
| Max airflow | 4,800 CFM |
| Oscillation angle | 90° |
| Height range | 48–60 in |
| Cord length | 10 ft |
| Weight | 28 lb |
| Certifications | ETL, OSHA |
In terms of electrical safety, the motor housing carries a Class B insulation rating and is designed for continuous operation at ambient temperatures up to 104°F (40°C). The three-conductor SJT cord includes a molded grounded plug, and the power switch is recessed to prevent accidental contact. For facilities with limited ceiling clearance or overhead obstructions, the 20 inch aluminum blade industrial fan can be operated at its lower height setting of 48 inches without sacrificing the full oscillation range. The base footprint measures 22 x 22 inches, providing stability on uneven concrete floors while still fitting between racking uprights or under mezzanine work areas. Air velocity at the fan outlet reaches approximately 1,400 feet per minute, which is sufficient to create a perceptible wind-chill effect across a distance of 25 to 30 feet. For dustier environments, the guard can be removed without special tools for blade cleaning, and the aluminum blades may be wiped down with a mild detergent solution without risk of surface oxidation.
Routine maintenance for the 20 inch aluminum blade industrial fan is limited to periodic blade wiping and motor ventilation checks. Because the aluminum blades do not absorb moisture, they are less likely to develop imbalance from paint chips or rust scale, which is a common failure point in steel-blade fans operating near washdown areas or exterior doorways. The stand base includes pre-drilled mounting holes for optional floor anchoring, and the height adjustment collar locks securely without requiring wrenches. In warehouses with ceiling heights above 12 ft, the fan can be positioned between 48 and 60 inches to create a laminar flow path at operator level, while users in automotive bays often pair it with a wall-mounted exhaust fan to improve cross-ventilation. In assembly areas, the unit is frequently angled slightly upward to push hot air toward exhaust vents, and because the oscillation mechanism uses a direct-drive gearbox rather than a belt, there are no belts to slip or replace. Operators can move the fan between departments using the integrated carry handle on the motor housing, and the compact assembled footprint allows it to be stored against a wall when not in seasonal use.
