We have now numerous great personnel members good at advertising, QC, and working with kinds of troublesome dilemma from the creation course of action for DC High Efficiency Centrifugal Fans, Portable Axial Fan, Centrifugal Fan For Air Filtration Equipment. Over the years, our company has always implemented good and stable quality, on-time delivery, reasonable price and sincere service as the company's business philosophy. The company actively invests a lot of resources to effectively utilize resources from three levels: institutional, behavioral and material levels for the construction of business operation. The market has higher and higher expectations for product quality and research and development capability. Our company focuses on developing new products and improving product quality.
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.
To create more benefit for buyers is our business philosophy; shopper growing is our working chase for High Temperature Powerful Large Air Industrial Roof Centrifugal Exhaust Fan. Based on the principle of good faith, we have established long-term cooperative relations with many customers. Now we are further strengthening the improvement of the technical level of our employees, injecting high-tech into products, and striving to provide better quality and more affordable products to users at home and abroad. With the continuous improvement of today's production technology level, the market attaches importance to product quality, which forces us to improve production technology.
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