Dimensional drawing:

Performance Curve:

Connection Diagram:

Description:
While the initial investment in EC backward-curved fans may be higher than traditional models, their long-term energy savings and reduced maintenance costs often result in a lower total cost of ownership (TCO). This makes them a financially viable choice for large-scale installations.
Specifications:
Brand Name | YUTEC |
Impeller Material | Aluminum Alloy Sheet |
Motor Type | BLDC External Rotor Motor |
Type of Protection | IP44 |
Insulation Class | Class B |
Speed Control | 0-10VDC/PWM |
Bearing | Ball Bearing |
Signal Output | FG |
Life Expectance | 50,000 Hours |
Electrical Protection | Locked Rotor Protection |
Reverse Polarity Protection | |
Over Voltage Protection | |
Soft Start |
Competitive Advantage:
One of the key advantages of backward-curved centrifugal fans is their quiet operation. The aerodynamic profile of the backward-curved blades reduces turbulence and airflow-induced noise, resulting in smoother and quieter performance. This feature is particularly beneficial in noise-sensitive environments such as hospitals, schools, and offices, where excessive noise can disrupt productivity or patient recovery. Additionally, the ability to operate at lower speeds without compromising airflow further contributes to noise reduction, enhancing user comfort and compliance with acoustic regulations.