Page 188 - 2018wd_ctr_cat
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                FAN BLADES
 Cobra Blades Low Noise 10X Quieter
The Cobra Blade can be used to replace a square condenser propeller to make the unit 10X quieter
Cobra Blades are made of high strength aluminum
  Hub Bore Dia. Part No. Rotation Pitch Location Size
3-BLADE COBRA BLADE
       22” 6131520001 CW
22” 6131530001 CW 33o Intake 1/2” 24” 6127530001 CCW 33o Interchangeable
27o Intake 1/2”
  4-BLADE COBRA BLADE
22” 6131560001 CW 19o Intake 1/2” 22” 6131580001 CW 27o   Intake 1/2” 22” 6131590001 CW 33o         Intake   1/2”
                24” 6127540001 CW 23o Interchangeable 24” 6127550001 CCW 23o Interchangeable 24” 6127570001 CCW 27o Interchangeable 24” 6127590001 CCW 33o Interchangeable
    LARGE STEEL PROPELLERS - HEAVY DUTY
   Part No.
Large Steel Heavy Duty, Clockwise Rotation Applications: Industrial Circulators, Condensing Units, Cooling Towers & Agricultural Ventilation
36
61093601
61093701
61093801
61093901
Dia. Pitch Rotation Depth Width Max RPM Weight
30 22° CW 23⁄8” 6” 1140 7# 30 27° CW 27⁄8” 6” 1140           7# 36 27° CW 27⁄8” 6” 1000 8#
                       33° CW 33⁄8” 6” 1000 8#
 P - Style Hubs
Standard Keyway Sizes For 24” to 48” Propellers Part No. Bore Size
   Diameter Keyseat 60331504 1/2 of Shaft Width X Depth 60331505 5/8
    5/16 - 7/16 3/32 x 3/64 60331506 3/4 1/2 - 9/16 1/8 x 1/16 60331507 7/8 5/8 - 7/8 3/16 x 3/32 60331508 1
    15/16 - 11⁄4 1/4 x 1/8 60331501 11⁄8 15⁄16 - 13⁄8   5/16 x 5/32                 60331502       13⁄16
          17⁄16 - 13⁄8           3/8 x 3/16 113⁄16 - 21⁄4 1/2 x 1/4
60331509 11⁄4 60331503 13⁄8
  182
Part numbers and illustrations are for identification only © 1971- 2018 w.d. armstrong corp.
 


































































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