Welcome to LONGWELL! Discover our cutting-edge 280 Series EC Backward-Curved Centrifugal Fan, engineered for superior performance and efficiency.
- High-Performance Impeller: Boasts high static efficiency, minimal noise emission, and minimal vibration with a robust design. Made from PA66+ glass fiber reinforced, aerodynamically optimized material.
- GreenTech EC Motor: Ensures high efficiency, economical operation, ultra-low noise, long service life, and safe operation.
- Intelligent Control: Features 0-10V / PWM (duty cycle) or RS485 network communication protocol, enabling precise infinite speed control and reliable durability.
- Water-Proof Design: End cap fully encapsulated with internal sealing design, effectively preventing liquid spray.
- Motor Protection: Includes Tech-Output, Soft start, Locked-Rotor Protection, Over-Heating Protection, and Over-Loading Protection for enhanced safety and longevity.
Key Features & Benefits:
- Maximum Airflow: 3039 m³/h
- Static Pressure: 1102 Pa
- Noise Levels: As low as 82 dB
Performance Highlights (Operating at 3000 RPM):
- Air Handling Units (AHU) & AHU Retrofit Projects
- Heat Recovery Ventilators (HRV) & Energy Recovery Ventilators (ERV)
- Air Purifiers & Fan Filter Units (FFU)
- Industrial manufacturing
- Commercial buildings
- Medical equipment
- HVAC systems
- Data centers
- Fresh air purification
- Equipment cooling systems
- And many more!
Versatile Applications: LONGWELL’s high-efficiency, low-energy-consumption EC/DC/AC centrifugal fans are widely used in:
Certifications & Quality: Fans are tested to AMCA 210/211 methods (third-party reports on request); CE (LVD/EMC), RoHS, REACH and ErP compliance; ETL/UL on selected models; ISO 9001/14001/45001 certified factory.
Driven by technological innovation, LONGWELL is committed to delivering quality.
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