'Quality first, customer first' is our company's eternal commitment to customer inline duct booster fan6 inch inline fan, High Speed Centrifugal Blower\centrifugal Blower Wheel, UL Approval Steel Type Circular Duct Fan CDF Serie quality. We aim to enhance the sustainable development of the industry as a whole, actively contribute our experience to the development of the industry, and play a leading role in the industry. Since our establishment, we have implemented the corporate tenet of 'pursuing high-tech, casting national brands, and providing diversified services'. We continue to innovate, surpass ourselves, think about customers, and strive to create the greatest benefits for customers! We adopt innovative business concepts and rigorous management systems, and we are now rapidly growing. We adhere to the consistency of corporate development with market demand.
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.
Our company has a good tradition of continuous technological innovation and 4250 High Power RC Brushless Drone Motor Agriculture Mini Fpv 920kv/980kv Motor for Drone Quadcopter innovation. Our goal is to achieve the double improvement of economic and social benefits, and all the staff work hard. We believe that as long as we do not forget our original intention and keep our mission in mind, we can break new ground and show our new performance.
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