We always firmly believe that quality is the foundation of brand achievement. From design, material selection, production and other aspects, we monitor and strictly check, and rely on exquisite manufacturing technology and innovative design concepts to become domestic Industrial Axial Fans, UL Approval Steel Type Circular Duct Fan CDF Serie, Refrigerator Fan Motor The leader of the industry. We continue to develop new products, improve the grade of original products, and provide excellent after-sales service for each customer while strictly controlling product quality. We carry forward the spirit of unity, pragmatism, development and progress and strive to create a corporate image of integrity, vitality and efficiency.
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






Through independent research and development, we innovated a series of Factory & Large Building Ventilation Exhaust Fan/Backward Curved Centrifugal Fan Blower with independent intellectual property rights. Our technological level and technological process have reached the international leading level. Our goods will continue to enhance within the order and look forward to cooperation with you.
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