21-1/2", Unassembled Downblast Ventilator with Motor and Drive Package, Belt-Drive
- Item# 7A570
- Mfr. Model# 7A570
- Catalog Page# 3705
- UNSPSC# 40101502
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- Item Downblast Ventilator with Motor and Drive Package
- Drive Type Belt-Drive
- Wheel Dia. 21-1/2"
- CFM @ 0.000-In. SP 4759
- CFM @ 0.125-In. SP 4548
- CFM @ 0.250-In. SP 4289
- CFM @ 0.375-In. SP 4068
- CFM @ 0.500-In. SP 3811
- CFM @ 0.625-In. SP 3504
- CFM @ 0.750-In. SP 3085
- CFM @ 0.875-In. SP 2459
- Sones @ 0.125-In. SP @ 5 Ft. 13.3
- Sones @ 0.250-In. SP @ 5 Ft. 12.9
- Sones @ 0.500-In. SP @ 5 Ft. 11.8
- Motor Voltage 115/230
- Phase 1
- Hz 60
- Motor HP 3/4
- Max. BHP 0.77
- RPM 860
- Base Width 30"
- Base Length 30"
- Base Height 1 3/4"
- Overall Dia. 35-1/2"
- Overall Height 29-3/4"
- Shaft Dia. Wheel End 3/4"
- Max. Inlet Temp. 180 Degrees
- Mounting Location Roof
- Housing Material Spun Aluminum
- Wheel Material Aluminum
- Wheel Type Backward Inclined Centrifugal
- Speed Controllable No
- Adj. 12 3/8"H Roof Curb Stock No. 3C437
- Adj. 6 3/8"H Roof Curb Stock No. 4c454
- Assembled/Unassembled Unassembled
- Recommended 12 In. Fixed Curb Item No. 4HX49
- Recommended 8 In. Fixed Curb Item No. 4HX41
- Agency Compliance UL/cUL 705, AMCA Sound & Air
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