225mm Forward Single Inlet Centrifugal Fan Wheels

Advanced development concepts, excellent management and excellent production management team have enabled our company to grow and improve, and it has become a leading Forward Centrifugal Fan, AC Centrifugal Fans, External Rotor Axial Fan manufacturer in China. We pursue the policy of "enterprising, truth-seeking, rigorous and unity", continue to innovate, take technology as the core, regard quality as our life, and regard users as God, and we will wholeheartedly provide you with cost-effective self-control products and meticulous service. We will take the industry as the foundation stone, take the service as the ladder, realize the customer value maximization by the flexible cooperation way. Our company takes the market as the guide, adjusts the strategy and the product management structure continuously, adapts to the market, and adapts to the economic situation changes. Our company pursues the fine tradition of service first, regards reputation as life, and provides professional and high quality service at any time.

Production description
These units may be mounted in any orientation to provide maximum airflow in minimum areas.

(1)YWF External Rotor Centrifugal Fans are divided into forward centrifugal fan and backward centrifugal fan according to curved blades, which have compact structure, convenient installation, credible running, little noise, energy saving and high efficiency.
(2) Several speed ranks, adapt to both frequency conversion and voltage transformation speed changing active. Our products are widely used in duct fans, roof ventilator, air purifying equipment, air conditioning, and household appliances, etc.
(3)The voltage of the single phase motor is 220V, 50/60 Hz, and the voltage of three phase motors is 380V, 50/60Hz. We can also supply other fan motors with different voltages and frequencies according to clients' requirement.
(4)The safety grade of this series is IP54, and the insulation classes are class B and class F.
(5) The applicable ambient temperature of the fan motors used in condenser is from -30℃~60℃.
(6)The average service life of motors is over 30,000 hours.
(8) Our products have gotten UL approval, CE approval and CCC approval.
(9) Product Features
① —Material: Housing: galvanized sheet steel
Impeller: galvanized sheet steel
Rotor: Coated in black plastic
② Bearings: Maintenance- free ball bearings
③ Direction of rotation: Clockwise, seen on rotor
④All models have reached UL approval, CE approval and CCC approval
⑤The 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)
⑦Insulation class is class B or class F

Performance parameters

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 

Illustration of Models

YWF—F—2—E—250

①    ②  ③  ④  ⑤

①YWF: External Rotor Centrifugal Fan

②F: Forward

 B: Backward

D: Double Inlet

③(2,4,6):Pole of Motor

④E: Single Phase Capacitor Operation

D: Three Phases Asynchronous Operation  

⑤250: The Diameter of inlet

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.

Lionball team

We believe that adhering to the standard and doing it right at one time is the basis of ensuring quality, and keeping improving and pursuing excellence is the way to improve quality of our 225mm Forward Single Inlet Centrifugal Fan Wheels. At present, we are committed to integration, creating value, accelerating team building, opening up and achieving win-win results. We manage our distributors' inventory through a big data analysis system and strictly control the age of our end products to improve operational efficiency.