ExtFn DrvPkg 20In Bld Steel 208-230/460V MPN:7AD21

Dayton® standard-duty belt-drive 20" exhaust fan is designed to be used in commercial applications that require high volumes of air at low static pressures. The fan features a 6-blade galvanized-steel propeller, rigid drive-frame rails, and a 1-pc. motor/bearing plate. Variable pitch and adjustable motor pulley optimize fan performance. Comes complete with a drive package, which includes the appropriate motor, belt, bushings and sheaves (all packed separately) to obtain the rated performance.
• Air handling-quality bearings meet a minimum of L10-100,000 hr.
• UL and C-UL Listed
• Unassembled

Note: OSHA-complying guards are required when a fan is installed within 8 ft. of floor, working level, or within reach of personnel; order No. 1WBU2. Review OSHA codes and UL standards.

Technical Specifications

• Item Standard Duty Exhaust Fan with Motor and Drive Package
• Blade Dia. 20 in
• CFM @ 0.000-In. SP 3904
• CFM @ 0.125-In. SP 3517
• CFM @ 0.250-In. SP 2954
• CFM @ 0.375-In. SP 2039
• CFM @ 0.500-In. SP 1064
• CFM @ 0.625-In. SP 603
• Sones @ 0.000-In. SP @ 5 Ft. 17.2
• Sones @ 0.250-In. SP @ 5 Ft. 17.2
• Max. Inlet Temp. 104 Degrees F
• Drive Package With Motor Included Yes
• Fan Voltage 208-230/460 V AC
• Exhaust/Supply Fan Item Exhaust Fan
• Hz 60
• Phase 3
• Full Load Amps 1.5-1.6/0.8
• Exhaust/Supply Fan Motor HP 1/3
• Max. BHP 0.40
• Bearing Type Sealed Pillow Block
• Motor RPM 1725
• Motor Type 3-Phase
• Motor Enclosure Open Dripproof
• Motor Insulation Class B
• Fan RPM 1039
• Height 24 in
• Width (In.) 24
• Max. Depth 19-1/2 in
• Venturi Clearance Dia. 20-1/2 in
• Venturi Depth 3-1/4 in
• Flange Width 24 in
• Flange Depth 1 in
• Mounting Position Horizontal or Vertical
• Frame Material Galvanized Steel
• Propeller Material Steel
• Number of Blades 6
• Bearing Size 3/4 in
• Shaft Dia. 3/4 in
• Includes Drive Package
• Aluminum Wall Shutter No. 4C559
• Fiberglass Wall Shutter No. 5C214
• Galvanized Wall Shutter No. 1C745
• Intake Guard No. 1WBU2
• Motorized Wall Galv. Shutter Stock No. 3C726
• Wall Collar Stock No. 3FKF3
• Weatherhood No. 3FKF2
• Assembled/Unassembled Unassembled

Manufacturer Details

• Manufacturer: Dayton
• Condensed Mfg Number: 7AD21
• MPN: 7AD21

Label Details

• Hazardous Material: N
• Green Material Flag: N
• Country of Origin: ZZ
• CA Prop 65 Wht Label: N

Classification Details

• Harmonization Code: 8414599080
• GDS Category Name: Axial Exhaust and Supply Fans with Motor
• GDS Family Name: Exhaust Fans
• GDS Segment Name: HVAC and Refrigeration
• UNSPSC: 40101503
• UNSPSC Class ID: 15
• UNSPSC Commodity Name: Ventilation
• UNSPSC Commodity ID: 03
• UNSPSC Commodity Name: Vents
• UNSPSC Family ID: 10
• UNSPSC Family Name: Heating and ventilation and air circulation
• UNSPSC Segment ID: 40
• UNSPSC Segment Name: Distribution and Conditioning Systems and Equipment and Components

Shipping Details

• Not For Sale In: HI AK PR