The company has a complete production process to ensure stable Centrifugal Fan, shaded pole, booster fan duct quality and competitive price advantage. On the road of exploration, our company has embarked on a growth path of technological leadership and innovation providing a new development concept and successful practice model for the rapid expansion of similar products worldwide. We seize business opportunities, dare to innovate, and continuously improve product quality.
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.
(1)Material: Impeller: galvanized sheet steel
Rotor: Coated in black plastic
(2)Bearings: Maintenance- free ball bearings
(3) Direction of rotation: Clockwise, seen on rotor (opposite cable exit), or viewing from inlet
(4)All models have reached UL approval, CE approval and CCC approval
(5)The type of protection is IP54. All models are fitted with an internal Thermal Overload Protection Device
(6)Mounting position: Shaft horizontal or rotor on bottom; rotor on top on request (Any)
(7)Insulation class is class B or class F
Performance parameters
Model | Voltage | Frequency | Current | Input Power | Speed | Max Air Flow | Capacitor | Noise | Curve |
YWFB2E180 | 230 | 50/60 | 0.24/0.26 | 56/60 | 2500/2700 | 400/465 | 1.5 | 60/64 | ①② |


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

Company profile
Founded in 1980, Ningbo lionball Ventilation Co., Ltd. is a key high-tech enterprise of the National Torch Program, which integrates product research and development, manufacturing and sales.Our company has passed ISO9001 quality management system certification and ISO14001 environmental management system certification.
"Lionball" brand after 40 years of precipitation, was awarded as a well-known trademark in Zhejiang Province.Our fan and motor products in the international industry has a high reputation and good reputation.Products are exported to the United States, Germany, Italy and other European and American countries as well as Brazil, Russia, other emerging industrial countries and other parts of the world.The main partners are Emerson, Panasonic and other world top 500 industry famous companies.The main products have passed the German VDE, the United States UL, Europe CE and RoHS and China CCC certification.
Our company insists on developing Industrial Centrifugal Ventilation Air Blower Fan Manufacturer for Extrusion Machine with independent intellectual property rights to win a place in the fierce global market competition and realize leapfrog development. With strong technical force and equipment support, all employees of the group company will still maintain a high morale to provide the market with more beautiful and fashionable products, and dedicate better quality to people's better life. We have introduced a variety of advanced environmental protection equipment and established a full set of environmental protection testing systems.
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