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300 Series Forward Curved Roof Exhauster

  • SKU:
  • 300 SERIES

Quick Overview

300 Series Forward Curved Roof Exhauster

Details

For economical use in schools, hospitals, high rise apartments and many other commercial & industrial applications where quiet operation is required.

  • Square base allows discharge to be oriented in any of 4 directions.
  • Back draft damper and bird screen included.
  • Heavy duty ball bearings suitable for -65º to +250º F.
  • Cabinet insulated with 1/2” fiberglass insulation.
  • Low operating RPM of forward curved blowers results in low noise levels.
  • Quiet operation. Blower is mounted on heavy steel angle with rubber isolators.
  • Attractive green baked powder coat finish.
  • Automatic gravity back draft damper and bird screen are included.
  • Motor receives the cooling benefits of being in the air stream for increased motor life.
  • Recessed base ensures weather proof mounting to curb.

Dimensions

      
*D is an inside dimension. Curb size must be smaller to allow for flashing. 
MODELABC* D INSIDESHAFT DIAMETERWEIGHT (lbs) without motor 
 
30720 3/8"16 5/8"9"20"3/4"45 
30924 3/8"19 3/8"10 5/8"24"3/4"63 
31028 3/8"21 3/8"11 3/8"28"3/4"88 
31232 3/8"24 5/8"13 1/8"32"3/4"113 
31536 3/8"28 3/8"14 7/8"36"1"156 
31840 3/8"33 3/4"17 3/8"40"1"224 
        
        
       
       
       
       
       
       
       
       
       
       
       
       
       
       
       

Specifications

TYPICAL MAXIMUM CFM @ SP
MODEL1/2” SP1” SP1 1/2” SP2" SP2 1/2" SPMin HPMax HP
307120011009007005001/43/4
30918001600130010007001/43/4
310280025002200200016001/41 1/2
312370033002900250017001/42
315570052004600410034001/23
318880080007200660058001/25
Power rating (BHP) does not include transmission losses. Performance certified is for installation type B - Free Inlet, Free Outlet. Performance ratings include the effects of the outlet hood and screen, but do not include the effect of other appurtenances (accessories).
CFM values listed above are summarized for convenience.