We carry forward the spirit of unity and enterprising enterprise, devote ourselves to the improvement of our EC Refrigerator Fan Motor, EC Centrifugal Fan, backward curved fan and market development, and serve our customers and friends from all walks of life with all our heart. Our products can be exchanged and returned, which solves the worries of the franchise dealers. Focusing on our strategic goals, we have comprehensively promoted changes in the company's quality, efficiency and power. Our company is committed to creating a research, production and marketing system with its own characteristics.
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 | 190mm | |
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 |
YWFB2E190 | 230 | 50/60 | 0.3/0.35 | 65/80 | 2400/2600 | 530/580 | 2 | 62/64 | ①② |
115 | 50/60 | 0.8 | 70/90 | 2700 | 570/620 | 5 | 63/65 | ③④ |
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
Exhausting industrial processes, roof and building ventilation, clean room and other sensitive HEPA filtering application, laboratory and research facility ventilation, air conditioner, heat exchangers, in-line duct blowers, range hood, fire place inserts, humidifiers, dehumidifiers, hand dryers
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 normally follow the tenet of customer-oriented, details-focused for Factory Sale High Quality 9-19 High Pressure Air Blower No. 4.5A Centrifugal Fan. Our company takes reform and innovation as the driving force to enhance our brand and strengthen the function of capital operation. We will continue to improve the quality of production, in order to thank customers for their long-term support and cooperation with our company, but also to open up new business areas.
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