Product details
Product Description
The YWF-4D-630-S-137/70-G is a high-capacity external rotor axial fan designed for industrial HVAC/R and refrigeration systems. Equipped with a powerful 4-pole three-phase motor, it delivers strong airflow performance suitable for large-scale cooling applications.
Engineered with precision-balanced blades and a durable motor structure, this fan ensures efficient airflow, stable operation, and long service life. It is widely used in condensing units, cold storage systems, evaporators, and industrial ventilation setups.
With IP54 protection, Class F insulation, and a wide operating temperature range, it is built to perform reliably in demanding environments.
Key Features
- External rotor motor design
- 4-pole motor for high airflow performance
- Heavy-duty industrial application
- Durable metal impeller (SPCC steel)
- Wide operating temperature range (-30°C to +60°C)
- IP54 protection (dust & splash resistant)
- Ball bearing motor for long lifespan
- Suitable for suction or blowing configurations
Technical Specifications
| Parameter | Value |
|---|---|
| Model | YWF-4D-630-S-137/70-G |
| Fan Type | Axial Fan (External Rotor) |
| Diameter | 630 mm |
| Voltage | 380–415V |
| Phase | 3 Phase |
| Frequency | 50/60 Hz |
| Power | 800 W (50Hz) |
| Current | ~1.60 A |
| Speed | ~1320 / 1380 RPM |
| Air Flow | ~9700 – 12000 m³/h |
| Noise Level | ~78 dB |
| Protection Class | IP54 |
| Insulation Class | Class F |
| Ambient Temp | -30°C to +60°C |
| Weight | ~15 kg |
Applications
- Condensing units
- Cold rooms & freezer rooms
- Evaporators
- Air-cooled chillers
- Industrial ventilation systems
- Refrigeration equipment
FAQs
Q1: Is this fan suitable for heavy-duty industrial use?
Yes, it is a 3-phase high-power fan, ideal for large HVAC and refrigeration systems.
Q2: What type of motor does it use?
It uses a 4-pole three-phase external rotor motor for high airflow output.
Q3: Does this model include a safety grill?
Yes, the “G” variant includes a protective grill.
Q4: Can it operate continuously?
Yes, it is designed for continuous-duty operation.
Q5: Where is this fan commonly used?
It is widely used in cold storage, condensing units, and industrial cooling systems.
