Product Introduction
The CDR External Rotor Circular Duct Centrifugal Fan is a compact and efficient duct fan designed for HVAC systems, ventilation ducts, and industrial air circulation. With its external rotor motor and circular housing, it ensures large airflow, low noise, and reliable continuous operation.
It is widely applied in air conditioning systems, industrial workshops, warehouses, commercial buildings, and ventilation ducts, making it a preferred choice for environments where compact size and high efficiency are required.
Application Industries & Uses:
- HVAC systems and ducted ventilation
- Industrial workshops and factories
- Warehouses and commercial buildings
- Air circulation in ducts and pipelines
- Cooling and heating air cycles
Features & Construction
- Impeller:
- Forward-curved blades designed for stable airflow
- Dynamically balanced for low noise and vibration
- Casing & Housing:
- Circular steel housing with a compact structure
- Corrosion-resistant and durable for long-term use
- Motor:
- External rotor motor for high efficiency and space-saving design
- Reliable for continuous heavy-duty operation
- Performance:
- Provides large airflow at low noise levels
- Compact circular design suitable for installation in ducts
Parameters
| Model | Speed (r/min) | Power (W) | Traffic (m³/h) | Total Pressure (Pa) | Voltage (V) |
|---|---|---|---|---|---|
| CDR2E-100 | 2900 | 55 | 350 | 320 | 220 |
| CDR2E-125 | 2900 | 60 | 450 | 295 | 220 |
| CDR2E-150 | 2900 | 105 | 800 | 360 | 220 |
| CDR2E-160 | 2900 | 110 | 900 | 340 | 220 |
| CDR2E-200 | 2900 | 180 | 1050 | 570 | 220 |
| CDR2E-250 | 2900 | 185 | 1150 | 550 | 220 |
| CDR2E-315 | 2900 | 240 | 1800 | 710 | 220 |
Technical Specifications
| Specification | Details |
|---|---|
| Material | High-quality steel with anti-corrosion coating |
| Traffic / Application | HVAC, ventilation ducts, factories, warehouses, commercial buildings |
| Power | External rotor motor |
| Air-flow | Large airflow with stable distribution |
| Noise Level | Low noise, vibration-free |
| Size / Dimensions | Circular duct design, compact sizes |
| Motor | External rotor, pure copper winding |
| Warranty | 12 months (extendable) |
| Color | Industrial Grey / Custom (optional) |
| Voltage | 220V / 380V, 50Hz |
| RPM | 1450 – 2900 RPM (depending on model size) |
Key Benefits
- Compact circular duct fan design saves installation space
- External rotor motor ensures efficiency and quiet operation
- Large airflow with low noise and vibration
- Corrosion-resistant steel casing for long service life
- Suitable for HVAC, ducted ventilation, and industrial air circulation
- Reliable performance in continuous heavy-duty environments