AirFlo-NA Roof Exhaust Fan 48 inch 28600 CFM 3 Phase Direct Drive NAL48-E-3-T

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Specs for AirFlo-NA Roof Exhaust Fan 48 inch 28600 CFM 3 Phase Direct Drive NAL48-E-3-T

Blade Diameter: 48.0" Blade Material: Cast Aluminum CFM: 28600 Dimensions: 55.5" x 36" x 63 Drive Type: Direct Hertz: 60 Horsepower: 3 Made in the USA: Yes Motor Type: Explosion Proof Phase: 3 Phase RPM: 1140 Speed(s): 1 Speed Voltage: 230 / 460 AC Warehouse: Ohio Warranty: 1 Year

Designed for general ventilation and smoke and fume removal where lower cost and less maintenance are a priority.

FEATURES
Ruggedly constructed steel curb cap including spun venture section for efficient air flow
Cast aluminum spark-resistant propellers are standard and suitable for use in hazardous locations.
Butterfly damper section, mill galvanized construction, with damper blades that open when fan is energized and close weather tight when unit is off. Dampers rotate in nylon bearings on a stainless steel axle.

CURB DIMENSIONS
O.D. = 61.5" sq.
I.D. = 58.5" sq.
MIN. ROOF HOLE SIZE = 58" sq.

ROOF CURB NOTE
1. Standard Curb Base for roof Ventilator: Insulated, 8" High with Wood Nailer
2. NOT for Installation on Corrugated roofing or Standing Seam Roofs