We have a professional team that is constantly improving the quality of our duct exhaust fan, Unit Bearing HVAC AC Motors, Unit Bearing ECM Motor and innovating new design as the market demands. Our company has a strong cohesive force and unites the staff in a harmonious, mutual trust, mutual help, mutual respect and energetic collective. Our company adheres to the tenet of 'forge ahead and prosper', and will continue to serve new and old customers at home and abroad with first-class technology, products, and service. Welcome domestic and foreign customers to inquire and negotiate business. Over the years, we have been committed to research and development of new products for a long time, and continue to innovate and improve the products of the enterprise. In recent years, our company has been innovating and improving the system and mechanism of talent utilization.
Product Introduction
The diameter of Impeller | 310mm | |
Material | Impeller | PA66 plastic |
Rotor | steel | |
Motor technology | EC | |
Mounting position | Any | |
Type of protection | IP44 | |
Insulation class | Class F | |
Approvals | CE, CCC | |
Technical feature | 0-10V/PWM/RS-485 | |
Protection | Over Voltage/ Lock Rotor | |
Ambient temperature | -20℃ to 50℃ | |
Advantage | The series of the EC centrifugal fan adopt the EC efficiency motors. The voltage include DC24V, DC48V, AC110, AC220, frequency 50Hz/60Hz. Apply to the occasions of high-volume airflow, high voltage, high resistance, and low noise, such as the air purifier and roof ventilator. |
Product Parameter (specification)
Model | Voltage | Input Power | Frequency | Speed rpm | Max Current | Air Flow | Noise |
ECB225A230 | AC1~200~270 | 162 | 50/60 | 1728 | 1.37 | 2342 | 69 |
ECB225A110 | AC1~100~130 | 162 | 50/60 | 1728 | 2.74 | 2342 | 69 |
Airflow :
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
Our Ec Fan Coil Hydronic Hot Water DC Fan Coil Unit is well-made, with advanced technology, stable performance and easy operation and maintenance. As a participant in China’s high-end products, we continue to spur ourselves and seek breakthroughs to develop high-quality products with innovative technological competitiveness, so as to help more manufacturing companies improve the level of quality control, and provide production, R&D and quality for various industries. Management creates greater value. Over the years we have laid a solid foundation for the company's rapid progress by virtue of our high speed, high precision, high efficiency and intelligent technology advantages.
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