Belt Drive Exhaust Fans

Belt drive fans are quieter and have a longer life span than direct drive fans because components can be replaced if worn or damaged.

Belt drive exhaust fans.

In the former the motor connects to the fan wheel with nothing in between. Home belt drive exhaust fans. Shop the largest selection of belt drive exhaust fans at industrial fans direct. Dust resistant direct drive wall mount exhaust fans.

These belt driven exhaust fans have variable pitches and adjustable pulleys to optimize their performances. In a belt driven configuration the motor exists independently of the fan blades and at least one belt sometimes more connects the motor to the fan s moving parts. Heavy gauge steel fan panel with deep spun and flared venturi for maximum efficiency. In the later there is a belt sometimes more than one connecting the motor to move the fan.

It s a motor connected to your fan in one of only two ways. When airflow specifications require a fan greater than 42 in diameter a belt direct fan may have an advantage due to motor costs. Belt driven fans offer greater flexibility in terms of rpm speed. On a belt drive fan there is a power transmission loss associated with the drive from the fan shaft from the motor shaft to the fan shaft.

Direct drive or belt drive. A rule of thumb for fans above 7 and a half horsepower just to keep it easy would be to assume about a 5 percent drive loss for motors say 5 horsepower and above to 100 horsepower. An industrial belt driven exhaust fan from grainger carries durable galvanized steel blades to handle large volumes of air at low static pressures. Please call 866 727 1060 if you do not see the desired product s for your project.

When properly selected and installed the belt drive losses can vary from 20 percent on small fractional motor powered fans to 3 to 4 percent on large motor driven fans. Belt drive exhaust fans. For supply applications please see our sxb series fans. You ll find vertical roof and horizontal mount wall exhaust fans for hvac equipment and factory ventilation right here.

The xb series is designed and constructed for efficient and economical operation at low speeds and low noise levels. For fan sizes below 42 a direct drive fan can be configured to cost the same or less than a belt drive fan for most combinations of airflow and static pressure. They re also typically more silent than the alternative. Belt drive downdraftroof mount exhaust fans.

These fans are used for exhaust applications.