Industrial Roof Ventilators Provide Vertical Discharge Using Enclosed, Fan Cooled Motors.
Roof ventilation fans are weatherproof to ensure long life for outdoor safekeeping. Rolled venturi surrounds fan within the 18 gauge galvanized steel wind band. Heavy duty fabricated steel propeller has four 10 gauge fan blades bolted to 1/4" thick backplate with welded taperlock hub and bushing. Belt drive roof ventilators feature a galvanized steel butterfly damper with rubber stop and seals. Heavy duty 14 gauge fan panels are welded to 10 gauge motor base. Rugged steel base with welded mounting plates. 30 Ventilators feature 1/2" schedule 40 pipe motor base supports. 42 48 Ventilators feature 3/4" schedule 40 motor base supports. 60 Ventilator has 1-1/4 schedule 40 pipe motor base supports. Single Phase Motors are field convertible from 115V to 230V. 3 Phase Motors are field convertible from 230V to 460V.
These items can be found on Page 6 of the INDUSTRIAL CATALOG JULY-OCT 2012
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