4.72 Inch Axial 24v Dc Motor Brushless 120mm Case Fan Low Noise 120 X 120 X 38mm

4.72 Inch Axial 24v Dc Motor Brushless 120mm Case Fan Low Noise 120 X 120 X 38mm

120 X 120 X 38mm 4 . 72inch axial 24V dc motor brushless low noise cooling fan with China factory wholesale

Fan front view

NOTICE

• If you want another rpm or voltage or special functionm Please contact with us directly .
• The size , voltage, power & speed can be made according to your requirements !
• Could be made with waterproof function
• Could be made with control speed ( PWM ) read speed ( FG ) and alarm ( RD ) function
• We're professional manufacturer of cooling fans for 11 years ' experience
• We offer 30000 hours warranty for sleeve bearing fans , 50000 hours warranty for ball
• We can also provide fans with longer use time.
• On time delivery

Question

1 . What is a DC Axial Fan ?

An DC fan is usually powered by 3v , 5v , 12v , 24v , 36v and 48v . It blows air along the axis of the fan , or parallel to the track of the blade axis .

Standard DC Axial fan sizes include 20mm , 30mm , 40mm , 50mm , 60mm , 70mm , 80mm , 92mm , 120mm , 150mm , and 200mm .

2 . How to choose a DC fan ?

To choose a DC fan , you should consider the points below

* fan voltage

* fan current

* fan speed

* fan airflow

* fan noise

* fan lifespan

What is a bearing ?

Fan bearing includes Sleeve Bearing and Ball Bearing , life expectancy of sleeve bearing fan is 30000hours , while ball bearing is 55000hours or more

4 . How do we carry out quality control ?

Usually , there are two ways to monitor reliability during the manufacturing process .

* Early Life Test

This is used as a mean of process control determined at identify any latent manufacturing problems and determining the effectiveness of burn - in . Every day , 5 samples will be picked up from one of the production lines for burn at at 50 ° C + / - 5 ° C for 24 hours .

* On - going Reliability Demonstration

This is a longer - term program at at providing data on continuous basis to demonstrate the reliability of product . 10 units per month are diverse collected from one of the production lines for burn - in for 168 hours at 50 ° C + / - 5 ° C . Units are monitored and tested on daily basis . Failed units will be analyzed and corrective actions taken where necessary .

5 . What is the divery time

Sample lead time : 5 – 7 days

Mass production Delivery lead time : 1 - 3 weeks ( Depend on the quantity )

Delivery Ways : DHL , UPS Door to Door service , By Air , By Sea , etc .

6 . What can I do if we can not find the suitable fan model in the fan list ?

Please contact us for customized fans .

* If you want another rpm or voltage or other reqirement , pls contact me for more details , thanks!

* For Special Cooling Fan , Such as : moistureproof , waterprrof , turbocharger , soft start , Reversible , temperature control , PWM speed control , the RD alarm and the FG signal etc , pls contact me free .

Application : equipment , electronic equipment , medical equipment , computers , power supplies ,

welding machines , packaging , printing equipment , satellite communications , CNC , machinery and

office automation products such as ventilation and cooling purposes . Electrical Fireplace , Oven , Wall

Cooler , Disinfecting cabinet , Warmer , Microwave , Refrigerator , Cooler , etc .

Shenzhen Topfan Technology Development Co ., Ltd is a medium - sized enterprise which integrates

production , research , development and sales . It has 3000 flat plant and professional design and

production team . At present , the company has production development department , Q & C department ,

R & D department , the domestic sales department and overseas sales department .

Shipment

You could choose the shipping way by yourself .

You could choose the freight forward company by yourself .

We could arrang the shipment according to your require .

If you have any requirements you could contact me soon .

1 . Samples delivery time is 7 working days . ( The quantity of free samples among 2 - 3 pcs . )

2 . Fans quantity : 1K ~ 5K ,the delivery time is 7 ~ 10 working days ;

Fans quantity : over 5K , the delivery time is 15 - 20working days

3 . International express : UPS / DHL / FEDEX and so on .

Any more information , please feel free to contact Mona ——→

We will reply you within 2 hours . Thanks

Skype : Mona Yang

QQ : 3146648329

Tel : 86 755 26070992

Shenzhen Topfan Technology Development Co., Ltd is a high-tech enterprise of professional manufacture and researcher on dc brushless fans and ac fans. It is a professional cooling fan manufacturer in the field with the most professional and largest scale intergrating research and development, manufacturing and sales. The products including brushless fans, cross flow fans, blower fans, centrifugal fans, dc brushless motor,shaded pole,AC and EC fans are being widely used in the computer information technology, network communications, as well as industrial production equipment, medical equipment, home appliances, etc.

Founded in 1996, owns more than 600 staffs, and with a strong power research and development team, we have ourselve's manufacturing base and industrial park.

Topfan-China core of Quality First, carry out the idea Doing Things Right Frist Time, Pursue zero defect management, holds advanced testing instruments, production equipments, excellent management experience and competitive price, which make the products more popular. Based on mutual benefit and development, we always make our biggest efforts to do everything better for our customers make us ISO9000, UL, CE and RoHS and TUV certificated and become the best sellers both at home and abroad including Europe, North America, Asia (South Korea and India) and so on.

Brave the wind and waves, setting sail. Topfan-China with a Corporate Vison of create a top cooling fans kingdom, hold a working style of serious, rigorous, fast, persistent, and team spirit of passion, independent, and high efficiency, make us become the first brand in domestic, and the most popular brand all over the world.