Our technical talent team provides a strong guarantee for the continuous optimization of product quality, and also lays a solid foundation for our first-class Circular Duct Fan CDF Serie, Roof Mounted Axial Fan, piped centeifugal fan. Our company has a domestic first-class management and technical team, occupying the market with leading technology advantages. The concept of talents is the guiding ideology and values of enterprises to attach importance to talents, develop talents and enhance talents. We know that a good corporate culture is not only the spiritual link connecting employees, but also the internal source of sustainable development of enterprises.
The diameter of Inlet | 150mm | |
Material | Housing | galvanized sheet steel |
Impeller | galvanized sheet steel | |
Rotor | Coated in black plastic | |
Direction of rotation | Clockwise, seen on rotor | |
Counter-Clockwise, seen on rotor | ||
Type of protection | 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 | TOP wired internally | |
Cable exit | variable, lateral | |
Ambient temperature | -20℃ to 60℃ | |
Advantage | YWF series centrifugal fan with external motor has features of compact structure,convenient installation, credible running, little noise, energy saving and high efficiency. | |
Performance parameters
| Model | V | Frequenc HZ | Current | Input Power | Speed | Max Air Flow | Capacitor | Noise | Curve |
YWFF2E150 | 230 | 50/60 | 0.7/1.0 | 190/240 | 2300/2200 | 550/530 | 5 | 65 | 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
●Condenser
●Evaporator
●Pipe fan
●Roof ventilator
●Heat dissipation and ventilation
Production details

The Research and Development Center
The Research and development center of Ningbo Lionball Ventilator Co., Ltd is a national R&D center. It is appraised as High-tech Enterprises and Engineering Technology Center and has obtained many important prizes in the provincial projects.
Research and development center currently has 25 staff members. We introduced Germanic technology and employed a well-paid fan expert as our technical adviser. What is more, we have cooperated with international renowned enterprise EMERSON for about 5 years and will hand in hand with Carrier China.
Research and development center are facilitated with modern equipment and advanced laboratories: Air flow laboratory and life testing laboratory. We provide each member with professional inspection equipment for better research environment.
Over the past two years, owing to continuous effort of R&D team, we have successively obtained 15 certificates of Utility Model patent and 2 certificates of Invention Patents.
(1)Our Certificates of Utility Model Patent





(2)Certificates of Invention Patent

Our products are well received and praised by users, and are widely used in Hot Air Blower Centrifugal Blowers Fan Industrial Centrifugal Exhaust Fan. We are determined to establish our own brand and build an efficient team. Looking to the future, we will pay more attention to brand building and promotion. Your trust and recognition are the best return for our efforts. We sincerely look forward to becoming a partner with you to create a better future!
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