Through experienced industry sales and service teams, many industry users can use our In Line Centrifugal Fan, Unit Bearing Motors, High Pressure Axial Fan to improve the efficiency of their respective businesses and enhance their competitiveness. Our company has a complete and scientific quality management system and pursues efficient and high-quality production. We use our own industry experience and customers to constantly put forward suggestions in all aspects. We face the fierce market competition with farsighted strategic thinking.
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 will continue to take our product line to the next level by developing new series of High Quality Electric Tool 350*350*110 Size AC Axial Fan Flow for Machinery Repair Shops and improving existing product designs. Modern production facilities, high-quality products, high-level staff, a spirit of sincere cooperation, and perfect after-sales service are our fundamental guarantee for winning customers. We insist on value creator-based, deepen reform comprehensively, and highlight vitality stimulation.
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