We wholeheartedly provide users with first-class axial fan for air?cleaner, EC Portable Axial Fan, inline extractor fan and services, contribute more wealth to society and clubs, and create more outstanding contributions to mankind. We are committed to excellence and long-term development, and we will work together to build a world-class enterprise. Our company will continue to expand the production scale of the enterprise, improve the quality grade of the products, and actively strive to make the company continuously develop in the direction of scale and intensification. Our years of experience with the accumulation of our professional and continuous innovation, our integrity and quality service, has been the industry's customers unanimously affirmed and praise, won the business reputation.
The diameter of Impeller | 140mm | |
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 | Voltage | Frequency | Current | Input Power | Speed | MaxAir Flow | Capacitor | Noise | Curve |
YWFF2E140 | 115 | 50/60 | 1.45/1.85 | 165/210 | 2400 | 470 | 16 | 72 | ① |
230 | 50/60 | 0.72/0.92 | 165/120 | 2400 | 470 | 4 | 72 | ||
YWFF2E140L | 230 | 50 | 0.45 | 100 | 1500 | 360 | 3 | 68 | ② |


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

Company profile
Founded in 1980, Ningbo lionball Ventilation Co., Ltd. is a key high-tech enterprise of the National Torch Program, which integrates product research and development, manufacturing and sales.Our company has passed ISO9001 quality management system certification and ISO14001 environmental management system certification.
"Lionball" brand after 40 years of precipitation, was awarded as a well-known trademark in Zhejiang Province.Our fan and motor products in the international industry has a high reputation and good reputation.Products are exported to the United States, Germany, Italy and other European and American countries as well as Brazil, Russia, other emerging industrial countries and other parts of the world.The main partners are Emerson, Panasonic and other world top 500 industry famous companies.The main products have passed the German VDE, the United States UL, Europe CE and RoHS and China CCC certification.
Lionball Team






Our Lkp300ss-4 Centrifugal Fan, Double Inlet Single Case, Air Blower are more specialized and intensive, which greatly reduces the production cost and stably controls the quality of products. While striving to achieve self growth and good business performance, we also actively give play to the advantages of scientific research and production in related business areas. With an open and inclusive attitude, we follow the development trend of global industry and industry and continue to learn and innovate.
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