Belt Driven Fans Vs Direct Drive

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 driven fans vs direct drive.

Belt drive fans have two additional bearings. On both direct drive and belt drive fans the motor has two bearings. Direct drive or belt drive. 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.

There are some advantages and dis advantages direct drive and belt drive exhaust fans and supply fans have over each other. May 3 2019 fanmann33 8 comments. Direct drive fans have no power transmission loss since the propeller is directly connected to the motor shaft. The two bearings on direct drive fan motors which are 7 horsepower and larger are typically regreaseable.

Where on a belt drive fan the fan motor shaft has a pulley connected by a belt to a second pulley. The second pulley is connected to a shaft that drives the fan propeller. More often than not the maintenance cost of this kind of fan is also comparatively lower. They re also typically more silent than the alternative.

More friction between moving parts which can lead to more maintenance and higher energy costs. Direct drive fans www airdistributor net official blog. In the former the motor connects to the fan wheel with nothing in between. It s a motor connected to your fan in one of only two ways.

In the later there is a belt sometimes more than one connecting the motor to move the fan. Unlike the belt driven fans in case of a direct drive fan there is lesser energy loss. Generally such fans are cheaper than direct drive fans of comparable size. Belt driven fans offer greater flexibility in terms of rpm speed.