Our first-class ge evaporator fan motor, DC Efficient And Low Noise Centrifugal Ventilator, circulan inline duct fan, excellent service, competitive price, strong production capacity and timely delivery have won the trust of customers at home and abroad. We're sure that we'll have good cooperative relationships and make a brilliant future for both parties. We are looking forward to hearing from you soon. Always seek efficiency improvement, pay attention to methods and techniques in everything. To this day, our products remain classic and continue to innovate in technology, because we believe that innovative products have always been the driving force for our company's upward development.
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 have been leading the development direction of the industry with excellent 175mm 12VDC Backward Curved Centrifugal Fans for Sterilizer and superb technology. In the ever-changing business environment, the speed of response to the market often determines the success or failure of enterprises. Our company has all kinds of professional technical personnel and senior management personnel and has gradually formed a strong system from research, production, sales to first-class after-sales service.
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