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Pulley Combinations for the CFA2.24-A20-18A fan with a DTP7/543 Phs, 7.5 HP, ODP, Premium (E-Plus3) Eff. Motor
Motor Pulley: 2VP60 x 1-3/8
6 Turns = 4.7 Motor Pitch
0 Turns = 5.9 Motor Pitch
1/2 Turn = 0.1 Motor Pitch
RPM Range Fan Pulley Pitch Dia. Bushing Belt Qty Belt by Discharge Max Turns Pitch @ Max Turns Min Turns Pitch @ Min Turns
Down Side
546 - 635 2BK160H 15.7 2  BX61     5.0 4.9 1.0 5.7
626 - 728 2BK140H 13.7 2  BX59     5.0 4.9 1.0 5.7
675 - 785 2BK130H 12.7 2    BX65   5.0 4.9 1.0 5.7
733 - 853 2BK120H 11.7 H-1 7/16 2    BX63   5.0 4.9 1.0 5.7
Motor Pulley: 2VP65 x 1 3/8
6 Turns = 5.2 Motor Pitch
0 Turns = 6.4 Motor Pitch
1/2 Turn = 0.1 Motor Pitch
RPM Range Fan Pulley Pitch Dia. Bushing Belt Qty Belt by Discharge Max Turns Pitch @ Max Turns Min Turns Pitch @ Min Turns
Down Side
505 - 580 2BK190H 18.7 2    BX76   5.0 5.4 1.0 6.2
602 - 691 2BK160H 15.7 2    BX69   5.0 5.4 1.0 6.2
690 - 792 2BK140H 13.7 2    BX67   5.0 5.4 1.0 6.2
744 - 854 2BK130H 12.7 2  BX65     5.0 5.4 1.0 6.2
Motor Pulley: 2VP75X1-3/8
6 Turns = 6.2 Motor Pitch
0 Turns = 7.4 Motor Pitch
1/2 Turn = 0.1 Motor Pitch
RPM Range Fan Pulley Pitch Dia. Bushing Belt Qty Belt by Discharge Max Turns Pitch @ Max Turns Min Turns Pitch @ Min Turns
Down Side
599 - 674 2BK190H 18.7 H-1 7/16 2  BX63     5.0 6.4 1.0 7.2
818 - 920 2BK140H 13.7 H-1 7/16 2  BX67     5.0 6.4 1.0 7.2
The manufacturer reserves the right to use alternate motors from alternate vendors that meet the operating requirements of the fan but may have slightly different specifications.
 
 
 

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