With the boldness of standing in the forest of world manufacturing enterprises, our company has been moving towards internationalization of management and refinement of Industrial Roof Exhaust Fan, EC Portable Axial Fan, EC Centrifugal Fan For Smoke Exhaust Ventilator. Our company regards product quality as the life of the company, attaches great importance to product development and innovation, enhances the quality assurance system, and strengthens quality inspection and monitoring. Our products and services have been well received by users! We provide a platform and build a stage for the creators. Our corporate mission is, create value for customers, provide opportunities for employees, and take responsibility for society.
Production description
Backward Centrifugal blowers are used primarily for intake suction and do not require a scroll housing. They have high hydraulic efficiency.
Backward centrifugal impellers offer a quiet and compact air moving solution. The Permanent Split Capacitor (PSC) motors provide reduced operating costs and longer service life. Ball bearing construction allows multiple mounting options. Backward centrifugal impellers have low profiles that do not require an enclosure. Air is discharged 360° radially from the impeller wheel. These units operate very efficiently at high pressures.
| The diameter of Impeller | 400mm | |
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℃ | |
Performance parameters
| Model | Voltage | Frequency | Current | Input Power | Speed | Max Air Flow | Capacitor | Noise | Curve |
YWFB4E400 | 230 | 50 | 0.92 | 214 | 1390 | 2870 | 8 | 70 | ① |
YWFB4E400H | 230 | 50 | 1.3 | 300 | 1360 | 3830 | 10 | 70 | ② |
YWFB4D400H | 400Y | 50 | 0.8 | 305 | 1380 | 3830 | / | 71 | 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
Production 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
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 continue to uphold the spirit of innovation, focus on industry applications, and provide better Industrial Filtration Equipment / Welding Fume Extractor /Welding Dust Collector Centrifugal Fan Blower/Dedusting Fan/Axial Fan/Boiler Fan/Jet Fan/Tunnel Fan and services for the global industry, and create value for customers. Through our unremitting efforts, our company's competitiveness has been significantly enhanced and our market influence has been growing. We abide by business principles, in line with the principle of voluntary, equal, friendly and consultative cooperation, not only to protect the interests of the company from damage, but also to consider the interests of customers.
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