We always maintain an understanding of the latest research trends in [inline extractor fan, Industrial Roof Exhaust Fan, axial fan for The ice cream machine field. We take credit as our life, quality as our benefit and technology as our development principle. Since our company was established, we have been abiding by the business principle of "Quality First, Credit First" and implementing the quality policy of "Quality for Survival, Innovation for Market Expansion". We will give full play to the new advantages of strong and complementary strengths and enhance the ability to coordinate the two international and domestic markets.
Production description
| The diameter of Impeller | 500mm | |
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℃ | |
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 | Max Air Flow | Capacitor | Noise | Curve |
YWFB4E500 | 230 | 50 | 6.9 | 1560 | 1340 | 7680 | 42 | 82 | ① |
YWFB4D500 | 400Y | 50 | 2.68 | 1600 | 1360 | 8200 | / | 82 | ③ |
YWFB6D500 | 400Y | 50 | 1.3 | 470 | 910 | 5500 | / | 70 | ③ |


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
Protection details

FAQ
(1)Q: Are you a manufacture factory?
A: Yes,we are one of the leading manufacturers of fans and motors in China since 1980, Our factory occupied area of 26000square meters, located in Yinzhou district, Ningbo. We have more than 300 employees.
(2)Q: Which product certification do you have?
A: Our products are approved VDE certificate, UL certificate, CE certificate, ROHS certificate, CCC certificate, SASO certificate and so on.
(3)Q: How about our company's quality control system??
A: We have gotten IS09001:2008 certificate(SGS)
(4)Q: How long is the warranty of your products
A:One year after ETD
(5)Q:What kind of trade terms and payment terms?
A: Trade terms: EXW, FOB
B: Payment terms: T/T, L/C
Company profile
NINGBO LIONBALL VENTILATOR CO.,LTD. was established in 1980. Lionball is one of the key Hi-Tech enterprises of the National Torch Program and a production enterprise combining development,manufacturing and sales together.And our products exported to the United States, Germany, Italy and other European and American countries as well as Brazil, Russia, other emerging industrial countries all around the world.Major partners include EMERSON(EMERSON), PANASONIC (PANASONIC) and other famous companies in the global 500 industry.The main products have been approved by VDE, UL, CE and ROHS and CCC.
As an enterprise with 40 years of operation history and continuous development and progress, Ningbo Lionball Ventilator Co., Ltd. has established a good cooperative relationship with the global producer and distributors. We believe that our high-quality products, good service and excellent corporate reputation will bring us a win-win situation.
Under the new situation and new conditions, the design operation of our Refrigerators Freezers Parts Shaded Pole Motor (5W) is inseparable from the effective management of design and market test. We have established a scientific and fair talent evaluation and selection mechanism to ensure that all people develop their strengths and avoid their weaknesses in their work and give full play to each person's strong points. We hope to promote the development of the company in the innovation, and to improve the innovation ability in the development.
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