We have been constantly improving the quality of our booster fan duct, Centrifugal Fans And Blowers, UL Approval Steel Type Circular Duct Fan CDF Serie, thereby enhancing the brand image and the company's reputation. We make every effort to provide a favorable working environment and create a positive development atmosphere for our team members. We focus on every detail of order processing for customers till they have received safe and sound products with good logistics service and economical cost. Technological innovation is not only the main source of modern economic growth, but also the main way to maintain competitiveness and promote the continuous progress of our company. Our eternal goal is to create the greatest value for our customers by exploring demand, integrating resources, and continuing innovation.
product Introduction
| The diameter of the fan blade | 300mm | |
Material | Guard Grill | steel, phosphated and coated in black plastic |
Wall ring | sheet steel, galvanized and coated in black plastic | |
blades | sheet steel | |
Rotor | encased in aluminium | |
Number of blades | 5 | |
Direction of rotation | Suction—direction of air flow "S" counter-clockwise, | |
Blowing—direction of air flow "B" clockwise seen on rotor | ||
Type of protection | IP54 or IP44 | |
Insulation class | Class B or Class F | |
Approvals | UL, CE, CCC , ROHS and so on | |
Mode of operation | Continuous operation(S1) | |
Bearings | Maintenance- free ball bearings | |
Ambient temperature | -30℃ to 60℃ | |
Motor protection | without TOP, TOP wired internally | |
Cable exit | lateral | |
Protection class | I | |
Advantage | YWF series axial fan with high static pressure and large air flow, have single phase, three phase, and different voltage levels, and 50HZ, 60HZ, according to the client’s different needs. | |
2.product Parameter (specification)
(1)For Air Compressor:
| Model | Voltage | Frequency | Current | Input Power | Speed | Max AirFlow | Capacitor | Noise |
YWF4E300 | 220 | 50 | 0.4 | 90 | 1360 | 1780 | 3 | 55 |
YWF4D300 | 380 | 50 | 0.27 | 90 | 1360 | 1780 | / | 55/58 |
(2)For Refrigeration and others:
Model |
| Frequency | Current | Input Power | Speed | Max Air Flow | Capacitor | Noise | Curve |
YWF2E300 | 230 | 50/60 | 0.75/0.8 | 165/175 | 2300/2700 | 2030/2450 | 5 | 65/68 | ①② |
YWF2D300 | 400Y | 50/60 | 0.3/0.25 | 160/150 | 2500/2650 | 2030/2450 | / | 65/68 | |
YWF4E300 | 230 | 50/60 | 0.4/0.45 | 75/95 | 1350/1550 | 1600/1750 | 3 | 55/58 | ③④ |
YWF4D300 | 400Y | 50/60 | 0.27/0.31 | 75/85 | 1350/1550 | 1600/1750 | / | 55/58 | |
YWF4E300-7P | 230 | 50/60 | 0.46/0.49 | 98/115 | 1340/1500 | 1600/1950 | 3 | 55/58 | ⑤⑥ |
YWF6E300 | 230 | 50/60 | 0.27/0.26 | 58 | 950/1100 | 1100/1300 | 2 | 48/52 | ⑦⑧ |



Product feature and application
(1) Product feature:
●Compact structure
●Specialized design
●Refined process control
●Simple Installation
●High efficiency and low noise
●Long service life
(2)Application
Ventilation | Buildings, parking lots and so on |
Refrigeration | Refrigerator, Air cooler, refrigerating machine and so on |
Heat dissipation | HAVC, Air compressor, Dehumidifier, Evaporator, Wall fan, Condenser, Dryer, AHU, Ice machine and so on |
Prodection details

Our Certificate

IOS 9001


UL certificate
Our products have many certification, such as CE, CCC, UL, RosH, VDE and so on.
We can also certify according to customer requirements.
We always keep pace with the times, implementing brand operation strategy, thus making our 25489fzy-S Shaded Pole Motor AC Axial Flow Fan with Outer Rotor have excellent cost performance and efficient and fast service characteristics. Our company has a clear vision, clear development strategy, corporate governance, brand awareness, cultural construction, enterprise operation and other aspects have outstanding development potential. Our company is developing to brand management on a large scale, we do a good job in channel planning and management to ensure that we have a strong brand building.
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