AirFlo-NA Explosion Proof Roof Exhaust Fan 24 inch 7425 CFM 3 Phase Direct Drive NA24-E-3-E

NOTE: HAZARDOUS LOCATION FANS ARE SPECIAL NON-STOCK ITEMS AND CANNOT BE RETURNED OR CANCELLED.

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

MOTOR CLASSIFICATION
Class 1, Division 1, Group D
Class 2, Division 2, Group F & G

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. = 37.5" sq.
I.D. = 34.5" sq.
MIN. ROOF HOLE SIZE = 34" 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