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Pulley Combinations for the RAM8.108-A230-30H fan with a DHP05043 Phs, 50 HP, ODP, Premium (E-Plus3) Eff. Motor
Motor Pulley: 3B5V56
0 Turns = 5.6 Motor Pitch
0 Turns = 5.6 Motor Pitch
1/2 Turn = 0 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
1325 - 1325 3B5V74 7.5 3  5VX1030     0.0 5.6 0.0 5.6
Motor Pulley: 3B5V70
0 Turns = 7.1 Motor Pitch
0 Turns = 7.1 Motor Pitch
1/2 Turn = 0 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
448 - 448 3B5V278 28.1 3    5VX1030   0.0 7.1 0.0 7.1
Motor Pulley: 4B5V64
0 Turns = 6.4 Motor Pitch
0 Turns = 6.4 Motor Pitch
1/2 Turn = 0 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
483 - 483 4B5V234 23.5 4  5VX1000     0.0 6.4 0.0 6.4
Motor Pulley: 4B5V66
0 Turns = 6.6 Motor Pitch
0 Turns = 6.6 Motor Pitch
1/2 Turn = 0 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
499 - 499 4B5V234 23.5 4    5VX1060   0.0 6.6 0.0 6.6
Motor Pulley: 4B5V74
0 Turns = 7.5 Motor Pitch
0 Turns = 7.5 Motor Pitch
1/2 Turn = 0 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
472 - 472 4B5V278 28.2 4  5VX1030     0.0 7.5 0.0 7.5
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.