Downblast Vent,Direct Drive,11 In

For use in general clean air environments, this exhaust ventilator is designed for continuous operation. It is typically used for short and/or average resistance duct work. The housing is constructed of heavy-gauge aluminum with a rigid internal support structure, a curb cap, a birdscreen, and a steel drive frame.<br /><br /> Item: Downblast Ventilator<br /> Drive Type - Roof Ventilators: Direct Drive<br /> Duty Rating - Roof Ventilators: Standard<br /> Drive Package With Motor Included: Yes<br /> Voltage - Roof Ventilators: 115<br /> Motor HP - Roof Ventilators: 1/4<br /> Base Square Size - Roof Ventilators: 22" x 22"<br /> Number of Speeds: 1<br /> Mounting Location - Roof Ventilators: Roof<br /> Wheel Dia.: 11"<br /> Item - Roof Ventilators: Downblast Ventilator<br /> CFM @ 0.000-In. SP: 1462<br /> CFM @ 0.125-In. SP: 1405<br /> CFM @ 0.250-In. SP: 1351<br /> CFM @ 0.375-In. SP: 1298<br /> CFM @ 0.500-In. SP: 1250<br /> CFM @ 0.625-In. SP: 1193<br /> CFM @ 0.750-In. SP: 1126<br /> CFM @ 0.875-In. SP: 1052<br /> CFM @ 1.000-In. SP: 955<br /> Sones @ 0.125-In. SP @ 5 Ft.: 11.8<br /> Sones @ 0.250-In. SP @ 5 Ft.: 11.7<br /> Phase: 1<br /> Hz: 60<br /> Max. Operating Amps: 3.1<br /> Max. BHP: 0.31<br /> RPM: 1725<br /> Base Height: 1-3/4"<br /> Overall Dia.: 24-3/8"<br /> Overall Height: 23-3/4"<br /> Shaft Dia. Wheel End: 1/2"<br /> Max. Inlet Temp.: 130 Degrees<br /> Housing Material: Spun Aluminum<br /> Wheel Material: Aluminum<br /> Wheel Type: Backward Inclined Centrifugal<br /> Speed Control: 48C172<br /> Speed Controllable: Yes<br /> Adj. 12 3/8"H Roof Curb Stock No.: 2ZV82<br /> Adj. 6 3/8"H Roof Curb Stock No.: 4C453<br /> Assembled/Unassembled: Assembled<br /> Recommended 12 In. Fixed Curb Item No.: 2RB76<br /> Recommended 8 In. Fixed Curb Item No.: 4HX39<br /> Agency Compliance: AMCA Sound & Air, UL/cUL 705, CSA Certified Motor<br /> Dimension A: 22"<br /> Dimension B: 24-3/8"<br /> Dimension C: 23-3/4"<br /> Dimension D: 4-3/8"<br />