These principles today extra than ever form the basis of our success as an internationally active mid-size company for EC Centrifugal Fan For Dust Collecting Unit, Unit Bearing Motors For Cake Cabinet, axial fan for freezing?chamber. We absorb advanced ideas, cooperate with our competitors, seek common ground while reserving differences, promote cooperation by competition, and make profits by cooperation, so as to achieve win-win results. The company establishes an incentive and competition mechanism, continuously optimizes the structure of human resources, improves management methods, and fully mobilizes the enthusiasm of employees. So please will not hesitate to call us. Over the years, our company with integrity, strength and product quality and has a complete, scientific quality management system recognized by the industry.
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 | 450mm | |
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℃ | |
Advantage | YWF series centrifugal fan with external motor has features of compact structure,convenient installation, credible running, little noise, energy saving and high efficiency. | |
Performance parameters
| Model | Voltage | Frequency | Current | Input Power | Speed | Max Air Flow | Capacitor | Noise | Curve |
YWFB4E450 | 230 | 50 | 2.5 | 590 | 1380 | 5500 | 20 | 75 | ① |
YWFB4D450 | 400Y | 50 | 1.47 | 575 | 1400 | 5650 | / | 76 | ③ |
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
Deliver and serving
(1)Deliver
About 30-40 days after receive client’s payment. Because we are manufacturer, and we don’t have production in stock. We will arrange production as soon as possible.
(2)Service
①Pre-sales services:
We have Personalized Customization Scheme for every client.
We will adjust the voltage, frequency, length of line and other detail character according to client’s demand.
②After-sales services
According to the requirements of consumers, carry out the technical guidance on the use and other aspects
Dealing with customers' letters, visits and telephone complaints, answering customers' inquiries. At the same time, we will use various ways to collect the opinions of consumers on the quality of products, and improve them in time according to the situation.
warranty: one year after ETD.
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.
Our company's quality policy is that every employee, no matter what kind of work they are engaged in, should put prevention first and provide zero defect 8 Inches 1HP Plastic Laboratory Fume Hood Exhaust Fan to our customers in time. Our industry persisted in efficient operation and technological innovation, achieving double growth in revenue and profit. Relying on the spirit of continuous self-improvement and the strength of the team, our company has created a brilliant career and made due contributions to the local economic development and social undertakings.
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