Blower Type Exhaust Fan

Dirty or dusty environment a tefc motor is best for longer life and optimal efficiency.

Blower type exhaust fan. A centrifugal fan is a mechanical device for moving air or other gases in a direction at an angle to the incoming fluid. Direct drive fans have fewer moving parts than belt drive fans for less maintenance. The key specifications for blowers include the intended application blower type port design as well as the parameters of flow capacity electrical ratings and dimensions. Blowers cool electronic enclosures induce drafts in boilers increase airflow on engines and are configured in a variety of blower system designs such as centrifugal.

Centrifugal type blower uses the centrifugal force generated by a rotating disk with blades mounted at right angles to the disk to impart movement to the air or gas and increase its pressure. A typical axial type ventilation fan will work okay for applications that don t require long hose or duct runs. The environment in which the system operates must also be considered to choose the right blower motor combination. Outdoors consider a totally enclosed fan cooled tefc electric motor on direct drive units or a belt drive unit with an included weather cover.

The assembly of the hub disk and blades is known as the fan wheel and often includes other components with aerodynamic or structural functions. Centrifugal fans often contain a ducted housing to direct outgoing air in a specific direction or across a heat sink.