Product Specifications:

Item Downblast Ventilator
Application Industrial And Commercial Applications
Assembled/unassembled Unassembled
Assembly Unassembled
Base Dia. Not Applicable
Base Height 1 3/4"
Base Length 30"
Base Shape Square
Base Size 30" x 30"
Base Width 30"
Bearing Type Regreasable Pillow Block
Brake Hp 77/100 bhp
Compatible Curb Grainger Part No. 2RB79, 2ZV83, 3C437, 4C454, 4HX41, 4HX49
Compatible Damper Grainger Part Number 4HX67
Current 7/3.5A
Damper Size 23" x 23"
Dimension A 30"
Dimension B 35 1/2"
Dimension C 34 3/8"
Dimension D 5 1/2"
Drive Package Included Yes
Drive Package With Motor Included Yes
Drive Type Belt Drive
Duty Rating Standard
Electrical Connection Power Cord
Exhaust Airflow @ 0.000 In Sp 4759 CFM
Exhaust Airflow @ 0.125 In Sp 4548 CFM
Exhaust Airflow @ 0.250 In Sp 4289 CFM
Exhaust Airflow @ 0.375 In Sp 4068 CFM
Exhaust Airflow @ 0.500 In Sp 3811 CFM
Features Fully Rolled Windband Bead For Increased Stability And Easy Transport, Nema 1 Junction Box Located In Motor Enclosure
For Air Type Clean Air
For High-static Pressure Applications No
Frequency 60 Hz
High-efficiency Motor No
Housing Length 35 1/2"
Housing Material Aluminum
Housing Material Fabrication Spun
Housing Width 35 1/2"
Includes Drive Package Yes
Includes Drive Package With Motor Yes
Includes Motor Yes
Max. Bhp 0.77 bhp
Max. Inlet Temp. 180°F
Maximum Fan Speed 860 RPM
Maximum Static Pressure 0.875 in. wc
Motor Enclosure Open Dripproof
Motor Hp 3/4 hp
Motor Location Out Of Airstream
Motor Speed 1725 RPM
Motor Voltage 115/230V
Mount Type Roof Curb
Mounting Location Roof
Nameplate Voltage 115/230V AC
Number Of Speeds 1
Overall Dia. 35 1/2"
Overall Height 36 1/8"
Overall Length 35 1/2"
Overall Width 35 1/2"
Phase 1
Propeller Shaft Dia. 3/4"
Resistance Properties Weather Resistant
Safety Features Birdscreen, Windband
Shaft Dia. Sheave End 3/4"
Shaft Dia. Wheel End 3/4"
Sones @ 0.125-in. Sp @ 5 Ft. 13.3 sones
Sones @ 0.250-in. Sp @ 5 Ft. 12.9 sones
Sones @ 0.500-in. Sp @ 5 Ft. 11.8 sones
Sound Level 11.1 Sones @ 0.750 in Sp And 5 Ft, 11.4 Sones @ 0.625 in Sp And 5 Ft, 11.4 Sones @ 0.875 in Sp And 5 Ft, 11.8 Sones @ 0.500 in Sp And 5 Ft, 12.4 Sones @ 0.375 in Sp And 5 Ft, 12.9 Sones @ 0.250 in Sp And 5 Ft, 13.3 Sones @ 0.125 in Sp And 5 Ft, 14.1 Sones @ 0.000 in Sp And 5 Ft
Spark Resistant Construction Type A
Speed Control No
Wheel Dia. 21 1/2"
Wheel Material Aluminum
Wheel Type Backward Inclined

Shipping Info:

Ship weight (kg) 61.22
Ship height (cm)91.76
Ship length (cm)90.17
Ship width (cm)90.17
HS code8414599080
Country of OriginUS

Product Variants

ProductModelOverall HeightDrive TypeNumber Of SpeedsMax. Inlet Temp.Assembled/unassembledPhaseMotor HpCfm @ 0.000-in. SpPrice
DAYTON 16D527 Downblast Vent Direct Drive 8-1/4 In | AA7MHX 16D52713 1/2"Direct Drive3130°FAssembled11/60 hp138/170/203 CFM€559.63
DAYTON 16D529 Downblast Vent Direct Drive 8-1/4 In | AA7MHZ 16D52913 1/2"Direct Drive3130°FAssembled11/30 hp253/314/374 CFM€552.17
DAYTON 16D531 Downblast Vent Direct Drive 8-1/4 In | AA7MJB 16D53116 3/4"Direct Drive3130°FAssembled11/20 hp335/415/495 CFM€669.45
DAYTON 16D533 Downblast Vent Direct Drive 8-1/4 In | AA7MJD 16D53316 3/4"Direct Drive3130°FAssembled11/15 hp520/644/768 CFM€672.30
DAYTON 16D534 Downblast Vent Direct Drive 10-1/2 In | AA7MJE 16D53416 3/4"Direct Drive3130°FAssembled11/8 hp717/888/1059 CFM€756.45
DAYTON 16D535 Downblast Vent Direct Drive 11 In | AA7MJF 16D53525 1/2"Direct Drive1130°FAssembled11/4 hp-€973.94
DAYTON 16D536 Downblast Vent Direct Drive 13-1/4 In | AA7MJG 16D53625 1/2"Direct Drive1130°FAssembled1333/1000 hp-€1,030.78

Contact us

Contact your account manager right away to get personal advice.
We're available Monday through Friday, from 07:30 until 17:00.

DAYTON 7A570 Downblast Vent Belt Drive 21-1/2 In
€3,244.12 /unit