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Quick Details

  • Type: Centrifugal Fan
  • Electric Current Type: AC
  • Blade Material: Cast Iron
  • Mounting: Free Standing
  • Place of Origin: Zhejiang, China (Mainland)
  • Brand Name: LIONBALL
  • Model Number: YWFB2E250
  • Power: 145/185W
  • Voltage: 230V/115V
  • Air Volume: 1400/1450m³/h
  • Speed: 2450/2550RPM
  • Certification: CE, UL
  • After-sales Service Provided: Engineers available to service machinery overseas
  • Product name: air fan
  • frequency: 50/60Hz
  • insulation class: class B or F
  • material of impeller: cast iron
  • shape of impeller: Forward curved impeller
  • bearings: maintenance ball bearings
  • approvals: UL, CE, CCC
  • bearings life: 40,000 hours
  • motor protection: thermal protector device
  • protection class: IP54

Packaging & Delivery

Packaging Details 1PC/CTN
Delivery Time Shipped in 30 days after payment

With 36 years experience centrifugal fan

air condition fan

Product Description

1.YWFB250 backward inclined centrifugal fan 

2.UL,CE approval,S1 continuous operation 

3.thermal protector 

1. An overview of centrifugal fans

 

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°C~60°C.

6. The average service life of motors is over 30,000 hours.

7. Our products have gotten UL approval, CE approval and CCC approval.

 

2. Brief Introduction of AC Backward inclined Centrifugal fan YWFB250

 

—Material: Impeller: gavanised sheet steel

                    Rotor: Coated in black

— The number of blades: 11

—Direction of rotation: Clockwise, seen on rotor

—Type of protection: IP54 or IP44

—Insulation class: B or F

—Mounting position: Shaft horizontal or rotor on bottom; rotor on top on request(Any)

—Condensate discharges: Rotor-side

—Mode of operation: Continuous operation (S1)

—Bearings: Maintenance- free ball bearings

—Motor protection: Design with thermal overload protector

—Cable exit: variable, lateral

—Product conforming to standard: CE Approval

—Approval: UL Approval, CCC Certificate

 

3. performance parameters

 

 



FAN


VOLTAGE
(V)


FREQUENCY
(Hz)


CURRENT

(A)


INPUT
(W)


Speed
RPM


MAX AIR

 FLOW
(m3/h)


CAPACITANCE
(μF)


NETNEIGHT


Noise
dBA


CURVE


Material

 Science

YWFB2E250

230

50/60

0.65/0.8

145/185

2450/2550

1400/1450

4

3

75/77

1 2

Sheet

 stell

115

50/60

1.3/1.6

145/185

2450/2550

1400/1450

16

3

75/77

Sheet

 stell

YWFB2E250

115

50

2.05

224

2650

1640

30

3.5

80

3

Sheet

 stell

115

60

2.9

330

3250

1980

30

4

84

4

Sheet

 stell

YWFB4E250

230

50/60

0.5/0.44

48/50

1400/1650

820/990

6

2.5

61/64

5 6

Sheet 

stell

115

50/60

1.0/09

48/50

1400/1650

820/990

6

2.5

61/64

Sheet stell

 


4. shape and the size of installation
 

 

 

 

5. air volume and static pressure curve

 

 

Our Advantages

 

6. Our competitive Advantages

 

At LIONBALL, Our factory owns a group of high quality and hightech professional

 designers and staff members.

 

NEW! Factory supply wheelchair motor of by superior products with preferential prices

WHY CHOOSE US?

1.Factory

2.Leading professional manufacturer of wheelchair motor.

3.Our factory owns a group of high quality and high-tech professional designers and staff members.

Our competitive Advantages of wheelchair motor

A) Cost advantage

We have our own workshop, metalprocess workshop and many other advanced machines. Key production parts are manufactured by ourselves.

B) Technological advantage

Our R&D center is provincial R&D Center. There are 4 Professor grade engineers and 6 senior engineers in our company.

C) Substantial experience and good service

We professionally produce motors and fans for more than 33 years. And we have done international trade for more than 10 years. So we can supply high quality products and services.

D) High cost performance

We have cost advantage, technological advantage and substantial experience. So our products have high cost performance. You can take the same cost purchase more better goods, or spend less for the same product.

 

Welcome to the world of motors and fans (Ningbo Lionball Ventilator Co., Ltd)

 A)Have a glance at our Manufacturing facility of wheelchair motor

 We have our own high speed punching machine, digital control machine, grinding macine, automatic coil winding machine, injection machine,and many other advanced equipments. Key production parts are manufactured by ourselves.

For more information, welcome to visit our company at any time.

 

We have our own workshop, metal processing workshop and many other advanced machines. Key production parts are manufactured by us.
 

Our R&D center is provincial R&D Center. There are 4 Professor engineers and 6 senior engineers in our company.
 

We professionally produce motors and fans for more than 33 years. And we have done international trade for more than 10 years. So we can supply high quality products and services.
 

We have cost advantage, technological advantage and substantial experience. So our products have high cost performance. You can take the same cost purchase more better goods, or spend less for the same product.


We have gotten VDE approval in Germany, UL approval in American, CE and ROHS approval in European, CCC safety certificate in China and ISO 9001:2008 certificate.As a promising company that has long history, our company has established well relationship with many renowned manufacturers and distributors. We expect to cooperate with more enterprise and believe that our high quality products and good service well bring win-win benefit between us.

Company Information

 


 

FAQ

 

 

Q:Why choose LIONBALL? 
A: LIONBALL is a leading manufacturer of fan motors in China since 1980. LIONBALL’s factory occupied area of 26000 square meters and there are about 300 employees in the manufacturer. Main of the fan motors are UL, VDE, CE, ROHS, CCC, SASO, BV approval. LIONBALL is a qualified supplier for EMERSON, CARRIER and ELECTROLUX. As a 35 years history company, LIONBALL has a dream to be a century-old enterprise and constantly devoted to achieve. 

Q:Are you a manufacture factory? 
A: Yes, we are the leading manufacturer of fan motors in China since 1980.Our factory occupied area of 26000 square meters, located in Ningbo yinzhou district. We have more than 300 employees. Welcome to visit us! 

Q: What about our company’s advantage? 
A: 
1. Technological advantage Our R&D center is provincial R&D Center. There are 12 engineers in our technological team, one is Germany engineer. 
2. Quality advantage We have our own workshop, metal processing workshop and many other advanced machines. Key production parts are manufactured by us. We keep the Quality Control on every piece and control all the quality of raw material. 
3. Substantial experience and good service We professionally produce motors and fans for more than 33 years. And we have done international trade for more than 10 years. So we can supply high quality products and services. Our main customers are EMERSON, CARRIER and ELECTROULUX. 

Q: Which product certification do you have? 
A: Our products are approved VDE certificate, UL certificate, CE certificate, ROHS certificate, CCC certificate, SASO certification and BV certification. 

Q: How about our company’s quality control system? 
We have gotten ISO9001:2008 certificate (SGS).

 

 

Q:Have air fan 100% assembled well in stock ?
A: Yes,all air fan is available.

 

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