Benefits of Direct Drive Fans
Eliminating drive losses from the belt and pulley can improve mechanical efficiency by up to 5%.
A direct drive fan requires minimal maintenance. The routine maintenance of lubrication and belt tensioning is eliminated.
Low Noise Level
Much of the noise in ventilation units is created by the moving belts. Without a belt, the sound level is frequently lowered by 3-9 dBA. As a result, sound attenuation components can be smaller, and in some cases can be eliminated. Smaller sound attenuators decrease the degree of static pressure drops. Savings are in both initial installation cost and in improved system efficiency.
By nature of design, Direct Drive Fans must be controlled by a Variable Frequency Drive (VFD). The controller acts as a soft start, greatly reducing the stress on the motor, and in turn minimizes the risk of motor failure.
Many options exist to minimise energy consumption by replacing older less efficient fans and motors.
BRICs direct drive fans are designed to provide optimum value to the designer, installer, and end user. They come in two categories: Direct Drive Centrifugal Fans (DS fans, DD fans and DDEM fans) and Direct Drive Constant Volume Fans with EC Motors (DDEC fans). All fans feature a robust construction and their constant quality make them equally suitable for installation in supply and exhaust air systems, and in original equipment where it contributes to the equipment manufacturer’s reputation for the consistent performance and reliability of their product.
Direct Drive Centrifugal Fans
Robustly constructed direct driven centrifugal fans with heavy gauge galvanised steel casings, and motors in or out of the airstream.
DS (Single Inlet) and DD (Double inlet) range
DDEM Single inlet fans with motors fitted externally out of airstream
Direct Drive Constant Volume Fans with EC Motors
A new generation of small DDEC fans with high efficiency EC (electrically commutated) motors, speed regulated to maintain constant air volume flow with varying pressure loss.
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