Download PDF for Print 5/18/2024

Reversible Belt-Drive Exhaust/Supply Fan

Item

Designed for commercial and industrial applications requiring both exhaust and supply air. Construction includes rigid drive frame rails and one-piece motor/bearing plate. Propeller utilizes a six-blade cast aluminum design which provides low sound levels. Fans may be mounted either in the horizontal or vertical positions.

  • Variable pitch adjustable motor pulley to optimize fan performance
  • Maximum inlet air temperature: 104º F
  • 6-Blade heavy-duty cast aluminum propellers
Item

Performance Characteristics
Item

Construction Features

Impeller Diameter (Typ.)30 in
Impeller TypePropeller
Impeller MaterialCast Aluminum
Max Inlet Temp104 °F
Bearing TypeRegreaseable Cast Pillow Block
Drive Package DescriptionDrives Packaged Separately
Warranty Length1 Year

Motor Information

Motor Item Number4K252
Voltage115/208-230
Hertz (Cycle)60 Hz
Motor Phase1
Motor EnclosureOpen Drip Proof
RPM1,725 rpm
Full Load Amps6.6/3.4-3.1

Other Components

ComponentDescriptionItem #
Fan DescriptionExhaust/Supply Fan4YGA3
Belt4L440 (QTY: 1)4L440
Driver Sheave1VP40125UHR3
Driven SheaveAK946YRD2
Driven BushingQT15UHZ2

Air & Sound Performance
Motor HPMax BHPFan RPMCFM @0.000'' SP0.125'' SP
1/30.38714CFM77805978
Sones15.916.6

Performance is for exhaust fans installation type A: Free inlet, Free outlet. Supply fans performance is approximately 20% less for each horsepower (HP). Power rating (BHP) does not include transmission losses. Performance ratings do not include the effects of appurtenances (accessories). The sound ratings shown are loudness values in fan sones at 5 ft. (1.5 m) in a hemispherical free field. Values are for installation type A: Free inlet sone levels.

Operating Range of Drive Package

Turns Open01/211 1/222 2/133 1/244 1/25
Approx. FRPM714694675655636617598579559540

Agency Compliance