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Black DC axial fan with Dual Ball Bearing for Electric Welding Machine 

Place of Origin: Zhejiang, China (Mainland) 
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Product Detail

Model No.: DF17251 Series

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Black DC axial fan with Dual Ball Bearing for Electric Welding Machine

Quick Details



DC Brushless Fan

Electric Current


Brand Name:



PBT plastic

Place of Origin:




Model Number:

DF17251 Series


12V / 24V

Air Flow:

187 378 CFM


L172* W150*H50.8mm



Noise Level:

5268 dB(A)



Bearing type:

Dual Ball Bearing



1. Product Name:
DC fan,DC cooling fan,DC brushless fan,DC axial fan,computer fan,cpu fan,case fan,DC blower fan.
2. Life Expectancy:
Dual Ball Bearing: 70000 hours
Single Ball Bearing: 40000 hours
Long life Bearing: 35000 hours
Sleeve Bearing: 25000 hours


3. Standard environmental conditions

Unless otherwise specified,the reference environmental temperature and relative humidity are taken to be 20 and 65%.

If there is no provision in the judgment,the environmental temperature and relative humidity range are taken to be 1535 and 25%75%.

4. Operating temperature: -10°C+70°C/65%(RH)
5. Storage temperature: -40°C+70°C/65%(RH)
6. Normal temperature rise:
    Temp;rise less than 25 °C at external surface.Temp;rise less than 55 °C at coiler surface.
7. Material:
    Impeller & Frame: PBT Plastic(UL94V-0)
8. Lead Wire:
    UL1061 AWG26# or Equivalent
    Red wire: positive(+)
    Black wire:Negative(-)


9. Insulation Resistance

    Insulation resistance is more than 10MΩ when voltage between housing and both lead wires is 500VDC .

10. Withstand  Voltage:
     Must withstand 500VAC 1 second 1mA  between housing and both lead wires.


11. Why Choose CoolFlow?
     11-1. We enjoy 10 years experience in manufacturing cooling fan
     11-2. We have a comprehensive OEM service
     11-3. We fully approved CE,SGS,UL,cUL,TUV certifications
     11-4. We have advanced testing instrument and production equipment
     11-5. We enjoy convenient access to major transportation networks.
     11-6. We specialize in all kinds of Cooling Fans,such as AC/DC fans, CPU coolers,notebook coolers, VGA coolers, Hdd cooler and some accessories : Fan Gard ,Fan Filter and Thermal Grease.

(1) Desk Computer and Laptop (including Computer Case, power, CPU, VGA video card, Hard disk, Memory, north and south bridge etc.) Cooling.

(2) Home appliances (including induction cooker, rice cooker, semiconductor refrigeration refrigerator, microwave oven, humidifier, air purifier, DVD, rear projection screen, car display screen, incense machine, etc.) Cooling or forced convection.

(3) Communication power supply (including High frequency switching power supply, UPS uninterruptible power supply, Electric power communication power supply, Power inverter power supply, EPS power supply, etc.) Cooling or forced convection.

(4) Network devices (including Switches, Routers, Hubs, Repeaters, Server, etc.) Cooling or forced convection

(5) Office equipment (including Printer,Copy machine, Projector, etc.) Cooling or forced convection.


(6) Lighting: LED Lights and Stage Lights Cooling or forced convection.

(7) Other equipment: including Frequency Converter, Electric Welding Machine, Automation Equipment, Industrial Control Equipment, Automotive Electronics,Camera, Medical Equipment, Instrumentation, Electronic Equipment, Mechanical Equipment etc.such as Cooling or forced convection.

 Mr. Bruce Huang

Tel: 86-755-29919517
Contact to this supplier

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Company Info

China Computer Accessories Online Market [China (Mainland)]

Business Type:Manufacturer
City: Shenzhen
Province/State: Guangdong
Country/Region: China (Mainland)

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