Gearboxes and gear drives are use in the cooling systems to transmit and increase the torque generated from a motor to drive fans.

Wet Cooling

Mechanical Ratings HP Single Reduction

SizeRPMNominal Ratio          
1.661.842.032.252.492.763.053.383.734.1320
114175014712210398670604840342823
1141500127105877460524235292420
116175018016313511595806654473932
11615001631391159980705646403227
1181750--1821551271098772625244
1181500-180157134110947563544639
1201750---20217014311596846858
1201500--2081741461239984725950
1221750----2281931551291139478
1221500---236196166134111968067
1251750-----268216182155129110
1251500----27223018515713411195
1281750------292257210176150
1281500-----312251221181151129
1321750-------335287239202
1321500------342288247205174
1351750--------382320272
1351500-------403328275233
1401750---------413351
1401500--------425354302
1451750----------477
1451500---------468398

Mechanical Ratings HP Double Reduction

SizeRPMNominal Ratio              
5.065.66.26.867.598.49.310.311.412.61415.417.118.920.9
21417501139688756760565047403832312824
2141500968376645852484340353229272421
216175014714712711810796888072665954423934
21615001331301101029283767063565147363429
2181750228220202182165150137125114957568635852
218150019618917415714212911810798826459555046
2201750-276252226206188172155143125114103958675
22015002652472251941771611471341231079888827464
2221750--359314285257236216197170161141135122101
222150036734032226924522120218516914613812111710587
2251750-----356328297273236225198165150135
2251500---370336306281256235202193170142129117
2281750------484442397319314279267229192
2281500----336450415379340273269240363197165
2321750-------626539434434366326296260
2321500----497642590537462373373314280255224
2351750----------615512512417348
2351500--------616528528440440358299
2401750-----------658657539450
2401500---------639638564563462386
2451750------------871710594
2451500----------844748746610509

Dry Cooling



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