The group takes the development of a low-carbon economy as its mission, and is committed to taking the road of sustainable development with technological innovation, comprehensive utilization of resources, and environmental protection. Gradually become an iconic enterprise in the EC Axial Fan For Air Cooler, Vertical Motor Bearings, energy efficient motors industry, leading the development of the EC Axial Fan For Air Cooler, Vertical Motor Bearings, energy efficient motors industry. We continue to absorb outstanding talents and introduce advanced technologies, establish good cooperative relations with relevant scientific research departments, and increase the strength of research and development of new products. We have won unanimous praise from customers for our honest management, punctual delivery, excellent quality and continuous development of new products. We strengthen communication and feedback, and establish a monitoring mechanism for employee satisfaction.Our enterprise philosophy is customer satisfaction, employee satisfaction, social satisfaction, shareholder satisfaction.
Product Introduction
(1) YWF series axial fans are external rotor motors. These motors have characteristics of compact structure, convenient installation and high efficiency etc.
(2)YWF series external rotor motors have two kinds, single phase asynchronous operation and three phases asynchronous operation. They are suitable for commercial freezer and cold storage room, ice machine, air cooling machine, water chiller, condensing unit, central air-conditioning and heater, etc.
(3)YWF series 100% speed control motor with low starting current. The insulation class of motor is B or F, and the protection class is IP54. All motors have thermal protector in the winding.
(4)Voltage: The voltage of the single phase motor is 120V/60Hz, 220V/50Hz. The voltage of three phases motor is 380V/50Hz, we can also supply other fan motors with connection box for clients' choices.
(5)YWF fans can be controlled speed by frequency transformer or voltage inverter, three phases fans can be adjusted double-speed by Y/△ exchange, or variety speeds by different connection.
(6)The axial fans are available with fan guard grill and without guard grill, operating with 200mm to 900mm diameter fan blades. We can offer different installation ways like cylinder (inlet ring), wall ring plate, round frame, etc.
(7)We can supply the fan motors with capacitor box or electrical wire for clients’ choices. The standard length of electrical wire on the 800 and 900mm is 1.5m.
(8)The service life of motors is more than 30,000 hours.
(9)The usable ambient temperature is from -30℃ to 60℃.
(10)Before operating the motor, make sure to put the earth wire of the motor connected with the external grounding device.
(11)Most of External Rotor Motors have passed UL approval in America, RHOS, CE approval in Europe and CCC safety certificate in China.
Product Parameter (specification)
(1)For Air Compressor:
YWF710 usually use in air compressor of 55 KW
| Model | Voltage | Frequency | Current | Input Power | Speed | Max Air Flow | Capacitor | Noise |
YWF4D710-7 | 380 | 50 | 5.6 | 2800 | 1400 | 21000 | / | 84 |
(2)For Refrigeration and others:
| Model | Voltage | Frequency | Current | Input Power | Speed | Max Air Flow | Capacitor | Noise | Model |
YWF6D710-7 | 400Y | 50/60 | 2.2/2.9 | 450/620 | 920/1030 | 9500/10800 | 12 | 72/75 | ①② |
YWF6D710-7 | 460Y | 60 | 2.4 | 430/600 | 920/1030 | 9500/10800 | / | 72/75 |



Product feature and application
(1) Product feature:
●Compact structure
●Specialized design
●Refined process control
●Simple Installation
●High efficiency and low noise
●Long service life
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 |
Production details
Production details
(1)Illustration of Models
YWF 4 E 630 S W
① ② ③ ④ ⑤ ⑥
①:YWF Axial fan with external rotor motors
②:4 Pole of motor
③:E Single phase capacitor operation
D Three phases asynchronous operation
④:630 The diameter of the motor fan blades
⑤:S-Sucking B-Blowing
⑥W:Without guard grill
A:Flat
B:Flat guard grill with sidepiece
C:Concave guard grill
D:Inlet ring
E:Inlet ring with mounting plate
S:Two-speed
T:Three-speed
V:Double voltage
(2) Guard grill of different installation ways
A. Guard grill with capacitor box
| Flat | Flat guard grill with sidepiece |
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| Concave guard grill | Inlet ring |
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| Inlet ring with mounting plate | |
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B. Guard grill with electrical wire
| Flat | Flat guard grill with sidepiece |
![]() | ![]() |
| Concave guard grill | Inlet ring |
![]() | ![]() |
| Inlet ring with mounting plate | |
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FAQ
(1)Q: Are you a manufacture factory?
A: Yes,we are one of the leading manufacturers of fans and motors in China since 1980, Our factory occupied area of 26000square meters, located in Yinzhou district, Ningbo. We have more than 300 employees.
(2)Q: Which product certification do you have?
A: Our products are approved VDE certificate, UL certificate, CE certificate, ROHS certificate, CCC certificate, SASO certificate and so on.
(3)Q: How about our company's quality control system??
A: We have gotten IS09001:2008 certificate(SGS)
(4)Q: How long is the warranty of your products
A:One year after ETD
(5)Q:What kind of trade terms and payment terms?
A: Trade terms: EXW, FOB
B: Payment terms: T/T, L/C
Our company adheres to the concept of returning users with science and technology and creating public praise with Toyon Td41268-L DC Automobile Condensing Fan Td41268-L Axial Fan Ventilation Fan Exhaust Fan Plastic Fan. From production to sales, we strive for excellence in each product to reach perfection with the spirit of everything is customer-focused. We have the courage and determination to constantly surpass ourselves.
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