Through our high level of technological innovation, we make our EC Centrifugal Fan For Industrial Refrigeration System, vent booster fan, Unit Bearing Motors unique in character, environmentally friendly and of the highest quality. After years of continuous development and the improvement of production management capacity, we have become an enterprise integrating R&D, manufacturing, sales and after-sales service. We continue to promote the concept of technology-first innovation and development, and strive to improve the institutional mechanism of science and technology innovation. Based on integrity and innovation, our company will take meeting the social needs as our duty and strive for the development of high-tech industry. We value credibility and quality, and we will continue to provide you with high-quality products and perfect after-sales service, and win-win with you!
Production description
YWF series centrifugal fan with external motor has features of compact structure,convenient installation, credible running, little noise, energy saving and high efficiency.
Our product YWFF175 has several speed ranks, adapt to both frequency conversion and voltage transformation speed changing active.
Our products are widely used in refrigeration and ventilation fields, such as condenser’ evaporator, duct fans, ceiling fans.
Voltage and frequency: Single phase motor is 115/220V, 50/60HZ, three phase motor is 380V, 50/60HZ. We can also supply other fan motors with different voltages and frequencies according to clients’ requirement.
The average service life of motors is more than 17500 hours.
| The diameter of Impeller | 175mm | |
Material | Impeller | PA plastic 66, fibre glass-reinforced |
Rotor | Coated in black plastic | |
Direction of rotation | Clockwise, seen on rotor | |
Counter-Clockwise, seen on rotor | ||
Type of protection | IP44 or IP54 | |
Insulation class | Class B or Class F | |
Mounting position | Shaft horizontal or rotor on bottom; rotor on top on request(Any) | |
Condensate discharges | Rotor-side | |
Approvals | CE, CCC,UL and so on | |
Mode of operation | Continuous operation(S1) | |
Bearings | Maintenance- free ball bearings | |
Motor protection | Design with thermal overload protector | |
Cable exit | variable, lateral | |
Ambient temperature | -20℃ to 60℃ | |
Performance parameters
Model | Voltage | Frequency | Current | Input Power | Speed | Max Air Flow | Capacitor | Noise | Curve |
YWFB2E175 | 230 | 50/60 | 0.24/0.26 | 50/52 | 2650/3100 | 490/570 | 1.5 | 63/68 | ①② |


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
Exhausting industrial processes, roof and building ventilation, clean room and other sensitive HEPA filtering application, laboratory and research facility ventilation, air conditioner, heat exchangers, in-line duct blowers, range hood, fire place inserts, humidifiers, dehumidifiers, hand dryers
Production details

Deliver and serving
(1)Deliver
About 30-40 days after receive client’s payment. Because we are manufacturer, and we don’t have production in stock. We will arrange production as soon as possible.
(2)Service
①Pre-sales services:
We have Personalized Customization Scheme for every client.
We will adjust the voltage, frequency, length of line and other detail character according to client’s demand.
②After-sales services
According to the requirements of consumers, carry out the technical guidance on the use and other aspects
Dealing with customers' letters, visits and telephone complaints, answering customers' inquiries. At the same time, we will use various ways to collect the opinions of consumers on the quality of products, and improve them in time according to the situation.
warranty: one year after ETD.
We design and manufacture each Roof Fan Parts Ventilation Wind No Power Roof Fan Turbine Vent Industrial Wind Powered Exhaust Fan with excellent manufacturing equipment, highly qualified engineers and technicians to ensure the best performance. We take customer needs as the core, and provide products and services that satisfy customers through continuous organizational changes and management improvements. We only find ways to succeed, not to find reasons for failure, and ultimately make the impossible possible.
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