The scientific and rigorous work style formed over the years, from the raw materials entering the factory, to the entire production process, to the product leaving the factory, has complete and strict monitoring and inspection procedures to ensure high quality and high efficiency EC Axial Fan For Air Cooler, High power brushless motor, Centrifugal Wood Stove Fan Blowers. We adhere to the development concept of 'What customers want is what we do', and constantly innovate to meet the needs of the evolving market. On the basis of knowledge and action, we have creatively proposed a set of rigorous work thinking system. We adhere to the principle of fairness, justice and reasonable competition. We create unique value for you with completely reliable products, competitive prices and perfect service experience.
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 | 225mm | |
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 |
YWFB2E225 | 230 | 50/60 | 0.42/0.55 | 92/135 | 2500/2700 | 970/1050 | 3 | 67/68 | ①② |
115 | 50/60 | 0.84/1.1 | 92/135 | 2500/2700 | 970/1050 | 12 | 67/68 | ||
YWFB2E225H | 115 | 60 | 1.7 | 200 | 2850 | 1340 | 18 | 69 | ③ |
YWFB4E225 | 230 | 50/60 | 0.23/0.25 | 50/58 | 1500/1700 | 550/620 | 2 | 52/55 | ④⑤ |
115 | 50/60 | 0.46/0.5 | 50/58 | 1500/1700 | 550/620 | 8 | 52/55 | ||
YWFB2E225P | 230 | 50/60 | 0.65/0.8 | 150/190 | 2600/2800 | 1100/1250 | 4 | 68/69 | ⑥⑦ |
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
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. Lionball has passed the certification of ISO9001 Quality Management System and ISO14001 environmental management system certification.
Lionball specializes in the production of external rotor axial fans, centrifugal fans, shaded pole motors, unit bearing motors, EC motors, sewing machine motors and medical centrifugal motors.Our products are widely used in ventilation, air-conditioning, refrigeration, medical treatment, fresh air, air purification, new energy, auto parts, appliances and other areas. Our company covers an area of 30,000 square meters and employs about 300 Chinese and foreign workers.After 40 years of history of precipitation, "Lionball" brand wins the “Famous Trademark” in Zhejiang Province."Lion ball" brand motors and "Lion ball" brand fans own great awareness and reputation on the international markets.
Lionball team
We are committed to Belt Driven Centrifugal Fans with Double Inlet Backward Curved Impeller Centrifugal Fans development, production and promotion, so that we can continue to improve our market share in the fierce competition. Our company has many years of production management experience, strict quality control, in accordance with the design before production, tracking after production, has been well received by the majority of customers. In many years of production practice, we have always insisted on management and technological innovation, and we can provide customers with the best solutions and best quality services.
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