Product details
Product Description
The YWF-6E-630-S-137/70-G is a high-performance external rotor axial fan designed for HVAC/R and industrial ventilation systems requiring quiet and efficient airflow. Equipped with a 6-pole single-phase motor, it operates at lower speed, reducing noise while maintaining stable air delivery.
Its robust construction and precision-balanced blades ensure reliable performance and long service life. This model is widely used in condensing units, cold rooms, evaporators, and air-cooled systems.
With IP54 protection, Class F insulation, and a wide operating temperature range, it is suitable for both indoor and outdoor applications.
Key Features
- External rotor motor design
- 6-pole motor for low speed & quiet operation
- Stable and energy-efficient airflow
- Durable metal impeller
- Wide operating temperature range (-30°C to +60°C)
- IP54 protection (dust & splash resistant)
- Ball bearing motor for long service life
- Suitable for suction or blowing configurations
Technical Specifications
| Parameter | Value |
|---|---|
| Model | YWF-6E-630-S-137/70-G |
| Fan Type | Axial Fan (External Rotor) |
| Diameter | 630 mm |
| Voltage | 220–240V |
| Phase | Single Phase |
| Frequency | 50/60 Hz |
| Power | 750 W (50Hz) |
| Current | ~3.5 A |
| Speed | ~900 RPM |
| Air Flow | ~9160 m³/h |
| Noise Level | ~75 dB |
| Protection Class | IP54 |
| Insulation Class | Class F |
| Capacitor | ~16 µF |
| Ambient Temp | -30°C to +60°C |
| Weight | ~15 kg |
Applications
- Condensing units
- Cold rooms & freezer rooms
- Evaporators
- Air-cooled chillers
- Ventilation systems
- Refrigeration equipment
FAQs
Q1: What is the advantage of a 6-pole single-phase motor?
It provides lower speed, reduced noise, and smoother airflow, ideal for quieter systems.
Q2: Is this fan suitable for single-phase supply?
Yes, it is specifically designed for 220–240V single-phase applications.
Q3: Does this model include a safety grill?
Yes, the “G” variant includes a protective grill.
Q4: Can it run continuously?
Yes, it is designed for continuous-duty operation.
Q5: Where is this fan commonly used?
It is widely used in HVAC systems, cold storage, and refrigeration equipment.

