Belt Drive Vs Direct Drive Fan

Coming to the advantage of this kind of an industrial fan the biggest advantage is greater efficiency.

Belt drive vs direct drive fan.

There are some advantages and dis advantages direct drive and belt drive exhaust fans and supply fans have over each other. Unlike the belt driven fans in case of a direct drive fan there is lesser energy loss. The second pulley is connected to a shaft that drives the fan propeller. Direct drive fans should be designed for acceptable bearing life.

On a direct drive fan as implied by the name the fan propeller is connected directly to the shaft of the motor. Unlike belt driven fans there s less energy loss because there s a reduced amount of friction as the fan operates. There s also no belt residue and these fans cost less to maintain generally speaking because belts don t wear down and break. This week s podcast is an overview of direct drive vs belt drive fans.

Extreme hot cold dirty or humid conditions may favor a direct drive fan as it reduces the environmental impact on the drive belts and fan bearings. May 3 2019 fanmann33 8 comments. Greater efficiency is the biggest pro of direct drive fan configurations. Either of these motor mount options can typically be found in wall mount exhaust and supply fans roof mount exhaust and supply fans inline duct fans and air circulation products.

On both direct drive and belt drive fans the motor has two bearings. Direct drive fans have no power transmission loss since the propeller is directly connected to the motor shaft. Where on a belt drive fan the fan motor shaft has a pulley connected by a belt to a second pulley. Direct drive or belt drive.

It s a motor connected to your fan in one of only two ways. Deciding between a direct drive fan and a belt drive fan is fairly straightforward once you know all of your other variables like fan size application space fan speed needs and likely wear and tear in your application. This is because of the fact that the amount of friction is greatly reduced in case of this fan when the fan is operating. Belt drive fans have two additional bearings.

In the later there is a belt sometimes more than one connecting the motor to move the fan. In the former the motor connects to the fan wheel with nothing in between. Belt drive vs direct drive largest fan blower factory in china direct drive is more typical on smaller blowers and generally offers lower cost fewer components to assemble greater efficiency no drive losses reduced maintenance no separate bearings or belts and greater reliability.