With a sound operating structure and a market-oriented brand strategy structure, we further strengthen technical exchanges and cooperation with the international duct booster fan, EC Industrial Axial Fans, DC Centrifugal Fan industry. We are willing to face every customer with a sincere and friendly attitude, hoping to get the support and love of our customers, and continue to promote each other's development and progress, let us go hand in hand to create a brilliant future! We select excellent packaging materials, adhere to ingenuity, adhere to quality. We can provide customers with a variety of choices, a variety of styles to meet the needs of customers. We are clear that safety production is a matter of corporate interests and a well-being, and the development of the enterprise cannot be separated from safety production.
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

We will always act in the interest of our customers and keep introducing new Air Handler Blower Motor Centrifugal Machine Industrial Duct Fan to meet the market demand and ensure the leading position in the industry. We give full play to our decision-making role, increase capital operations, and promote the in-depth development of reforms. Our company is a large-scale enterprise integrating design, manufacturing, marketing and service.
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