Premium Quality 180mm Centrifugal Fan – DYF4E-180B-QD2a 
This high-performance centrifugal blower is widely used in HVAC systems, air handling units (AHU), refrigeration, and commercial air conditioning equipment. Designed for high airflow and reliable operation, it is an ideal replacement for original units. (The images are for illustrative purposes only.
🔧 Specifications:
Model: DYF4E-180B-QD2a
Type: Single Inlet Centrifugal Fan
Voltage: 220–240V / 50Hz
Power: ~200W
Current: ~0.9A
Airflow: ~1100 m³/h
Speed: ~1350 RPM
Wheel Diameter: 180mm
Protection Class: IP54
Operation Temp: -40°C to +60°C
✅ Features:
High airflow, low noise design
Stable and long service life
Dynamically balanced impeller
Corrosion-resistant housing
Suitable for continuous operation
🧰 Applications:
Air Handling Units (AHU)
Commercial Air Conditioning Systems
Cool Rooms / Refrigeration Systems
Ventilation & Exhaust Systems
🔁 Replacement Compatibility:
Direct replacement for:
DYF4E-180B-QD2a
Compatible with similar 180mm centrifugal blowers (check dimensions & specs)
⚠️ Note:
Please confirm model, size, and electrical specs before purchase.
QD2a and QD2b are NOT interchangeable in some applications.