Product Specifications:

Item Downblast Ventilator
Application Industrial And Commercial Applications
Assembled/unassembled Assembled
Assembly Assembled
Base Dia. Not Applicable
Base Height 1 3/4"
Base Length 22"
Base Shape Square
Base Size 22" x 22"
Base Width 22"
Brake Horsepower 6/25 bhp
Brake Hp 6/25 hp
Cfm @ 0.000-in. Sp 1948/2412/2875 CFM
Cfm @ 0.125-in. Sp 1833/2318/2797 CFM
Cfm @ 1.250-in. Sp 1910 CFM
Cfm @ 1.500-in. Sp 1297 sones
Compatible Curb Grainger Part No. 2RB77, 2ZV83, 3C437, 4C454, 4HX40, 4HX48
Compatible Damper Grainger Part Number 4HX66
Compatible Speed Control 35YV92, 35YV93, 35YV94, 43Y140
Current 6.6/6.1A
Cutout Length 21 1/2"
Damper Size 19" x 19"
Dimension A 22"
Dimension B 28 3/8"
Dimension C 23 3/4"
Drive Package Included Yes
Drive Package With Motor Included Yes
Drive Type Direct Drive
Duty Rating Standard
Electrical Connection Power Cord
Exhaust Airflow @ 0.000 In Sp 2412 CFM
Exhaust Airflow @ 0.125 In Sp 2797 CFM
Exhaust Airflow @ 0.250 In Sp 2719 CFM
Exhaust Airflow @ 0.375 In Sp 2644 CFM
Exhaust Airflow @ 0.500 In Sp 2566 CFM
Features Energy Saving Units Feature Ec Motors Which Allow Up To 80% Useable Turndown, Fresh Outside Air Is Drawn In Under The Motor Cover To Maximize Motor Life, Fully Rolled Windband Bead For Increased Stability And Easy Transport, High-Efficiency Brushless Dc Motor, Motor Features Potentiometer Dial For Speed Adjustment, Nema 1 Junction Box Located In Motor Enclosure, Nonoverloading Centrifugal Wheel Design, Optional Nema 1 And 4 Disconnects Available
For Air Type Clean Air
For High-static Pressure Applications No
Frequency 60 Hz
High-efficiency Motor Yes
Housing Length 28 2/5"
Housing Material Aluminum
Housing Material Fabrication Spun
Housing Width 28 2/5"
Includes Drive Package Yes
Includes Drive Package With Motor Yes
Includes Motor Yes
Max. Bhp 0.24 bhp, 0.46 bhp, 0.79 bhp
Max. Inlet Temp. 130°F
Max. Operating Amps 10.1A
Maximum Ambient Temperature 130°F
Maximum Fan Speed 1550 RPM
Maximum Static Pressure 1.5 in. wc
Motor Enclosure Open Dripproof
Motor Hp 3/4 hp
Motor Type Electronically Commutated
Mount Type Roof Curb
Mounting Location Roof
Nameplate Voltage 208-230V AC
Number Of Speeds Variable
Overall Dia. 28 3/8"
Overall Height 25 1/2"
Overall Length 28 3/8"
Overall Width 28 3/8"
Phase 1
Propeller Shaft Dia. 5/8"
Safety Features Birdscreen, Windband
Shaft Dia. Wheel End 1/2"
Size 22" x 22"
Sones @ 0.125-in. Sp @ 5 Ft. 9.4 sones, 13.2 sones, 18 sones
Spark Resistant Construction Type A
Speed Control Variable Speed
Voltage 208/230V
Wheel Dia. 14 3/4"
Wheel Material Aluminum
Wheel Type Backward Inclined

Shipping Info:

Ship weight (kg) 23.4
Ship height (cm)60.33
Ship length (cm)72.07
Ship width (cm)72.07
Country of OriginUS

Product Details:

    • Drive Package With Motor Included : Yes

Product Variants

ProductModelPhaseNumber Of SpeedsOverall HeightMotor HpCfm @ 0.000-in. SpCfm @ 0.500-in. SpShaft Dia. Wheel EndWheel Dia.Price
DAYTON 16D527 Downblast Vent Direct Drive 8-1/4 In | AA7MHX 16D5271313 1/2"1/60 hp138/170/203 CFM-5/16"8"€559.63
DAYTON 16D529 Downblast Vent Direct Drive 8-1/4 In | AA7MHZ 16D5291313 1/2"1/30 hp253/314/374 CFM-5/16"8"€552.17
DAYTON 16D531 Downblast Vent Direct Drive 8-1/4 In | AA7MJB 16D5311316 3/4"1/20 hp335/415/495 CFM237 CFM1/2"8"€669.45
DAYTON 16D533 Downblast Vent Direct Drive 8-1/4 In | AA7MJD 16D5331316 3/4"1/15 hp520/644/768 CFM473 CFM1/2"8"€672.30
DAYTON 16D534 Downblast Vent Direct Drive 10-1/2 In | AA7MJE 16D5341316 3/4"1/8 hp717/888/1059 CFM-1/2"10"€756.45
DAYTON 16D535 Downblast Vent Direct Drive 11 In | AA7MJF 16D5351125 1/2"1/4 hp--1/2"11"€973.94
DAYTON 16D536 Downblast Vent Direct Drive 13-1/4 In | AA7MJG 16D5361125 1/2"333/1000 hp--1/2"13"€1,030.78

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DAYTON 38AX31 Downblast Vent Direct Drive 14-3/4 Inch
€1,572.86 /unit