AC External Rotor Axial Fan Frame Type
Our external rotor fan can realize the exchange of hot and cold airflow in various equipment.Low noise,high efficiency will be your best choice,especially suitable for ventilation,clean room technology,air conditing,refrigeration and other industries.
Introduction
Our AC External Rotor Axial Fan Frame Type can realize the exchange of hot and cold airflow in various equipment. Its low noise and high efficiency will make it your best choice. Unique functions and characteristics also make it especially suitable for ventilation, clean room, air conditioning, refrigeration, and other industries. At the same time, a machine has multiple functions and is widely used. It can not only be used for ventilation or heat dissipation but also can be used as a free fan or installed in the exhaust duct to increase the wind pressure. This product is often used in hotels, gymnasiums, conference rooms, workshops, warehouses, swimming pools, greenhouses, and other places.
Features
1. AC External Rotor Axial Fan Frame Type adopts thickened blades, so although the body is small, the air volume is large and the air delivery distance is long.
2. The thickened blade has high hardness and is not easy to deform and fall off, so the safety factor is higher.
3. The impeller adopts strict dynamic balance calibration and has good aerodynamic performance.
4. The equipment will not produce huge noise during operation, so it will not cause an adverse impact on the environment.

Product parameters
Thickened metal fixing bracket
Easy to install and thick material. Thickened carbon steel material has high hardness and is not easy to break.

High strength carbon steel material
The fan blades are made of high-quality materials, with high strength, not easy to deform, and not easy to fall off
Thick fan bladeslarge air volume no dust
Using thickened high-hardness steel carbon material, cold stamping forming
High strength, not easy to be deformed and not easy to fall off. Larger air output, lower noise and smooth operation.

Outer rotor motor
Coil adopts copper enameled wire, high temperature resistance and high efficiency Large air volume,small vibration, low noise copper coil to ensure safe operation of the motor

Thick metal Fixed bracket
Easy to install, thick material.
Thickened carbon steel material has high hardness and is not easy to break. The quality is assured and the peace of mind is guaranteed.


Outer rotor brushless all-copper motor

High-quality steel shaft Anti-rust ball Pure copper movement lubricating oil
Double ball bearing design
Concentric operation, less heat, low vibration, high speed


Metal protective net
Using a thickened protective net cover, it will not hurt people while rotating at high speed.
Avoid foreign objects flying into the stuck motor
Cast iron blades
It runs smoothly, and the air volume is increased by 30% from a physical point of view through the air flow design to avoid deformation and rust caused by wet oil environment
Good material
The shell and the movement are made of excellent impact resistance and dynamic resistance, which has been verified by environmental tests to prevent moisture and heat.
Mold, environmental corrosion
Long life
Built with fine craftsmanship, fully automated oil injection equipment is used inside to ensure that the oil content of the motor lubricant greatly extends the service life of the motor

Product parameters
| Model | Blade Diameter | Dimensions | Installation Hole Distance | Drum Diameter | Shape Thickness |
| YWF-200 | 200 | 270 | 220 | 210 | 93 |
| YWF-250 | 250 | 320 | 270 | 260 | 102 |
| YWF-300 | 300 | 370 | 320 | 310 | 105 |
| YWF-350 | 350 | 420 | 370 | 360 | 135 |
| YWF-400 | 400 | 470 | 420 | 410 | 140 |
| YWF-500 | 500 | 570 | 520 | 510 | 160 |
| YWF-600 | 600 | 670 | 590 | 610 | 185 |
| Type | Voltage (VAC) |
Current (AMP) |
Power (W) |
Rotating speed (RPM) |
Air volume (CFM) |
Capac-itance (UF) |
Noise (dBA) |
Weight (kg) |
Remarks |
| YWF4E-250 | 220 | 0.22 | 50 | 1380 | 1000 | 1.5 | 50 | 2.5 | 2-pole or 6-pole motors and other specifications,voltage and frequency can be customized. Please consult the sales staff for details |
| YWF4D-250 | 380 | 0.13 | 60 | 1350 | 1000 | – | 50 | 2.7 | |
| YWF4E-300 | 220 | 0.38 | 90 | 1370 | 1900 | 3 | 55 | 3.2 | |
| YWF4D-300 | 380 | 0.26 | 95 | 1400 | 1950 | – | 55 | 4 | |
| YWF4E-350 | 220 | 0.68 | 138 | 1370 | 2980 | 4 | 62 | 4.7 | |
| YWF4D-350 | 380 | 0.37 | 145 | 1390 | 3110 | – | 63 | 4.7 | |
| YWF4E-400 | 220 | 0.81 | 180 | 1350 | 3700 | 5 | 67 | 6.1 | |
| YWF4D-400 | 380 | 0.48 | 190 | 1380 | 3700 | – | 67 | 6.1 | |
| YWF4E-450 | 220 | 1.15 | 250 | 1380 | 4800 | 8 | 71 | 6.9 | |
| YWF4D-450 | 380 | 0.58 | 250 | 1400 | 4820 | – | 68 | 6.9 | |
| YWF4E-500 | 220 | 1.85 | 420 | 1320 | 6950 | 12 | 72 | 9.5 | |
| YWF4D-500 | 380 | 0.93 | 450 | 1320 | 7000 | – | 72 | 9.5 | |
| YWF4E-550 | 220 | 2.45 | 550 | 1310 | 8500 | 12 | 74 | 10.5 | |
| YWF4D-550 | 380 | 1.2 | 650 | 1310 | 8500 | – | 74 | 10.5 | |
| YWF4E-600 | 220 | 3.5 | 810 | 1315 | 10300 | 16 | 76 | 15 | |
| YWF4D-600 | 380 | 1.95 | 860 | 1365 | 10800 | – | 79 | 15 | |
| YWF4E-630 | 220 | 3.5 | 810 | 1315 | 12500 | 16 | 78 | 15 | |
| YWF4D-630 | 380 | 1.95 | 860 | 1365 | 13000 | – | 81 | 15 |