square axial brushless fan with specical connetor size of 120mm X
38mm 12cm ball bearing 220V AC for air cooling / heating
- 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 bearing fans
- We can also provide fans with longer use time.
- On time delivery
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
Factory
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 .
- Samples delivery time is 7 working days . ( The quantity of free
samples among 2 - 3 pcs . )
- Fans quantity : 1K ~ 5K ,the delivery time is 7 ~ 10 working days ;
- Fans quantity : over 5K , the delivery time is 15 - 20working days
- International express : UPS / DHL / FEDEX and so on
More questions:
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
3.What is a bearing ?
Bearing includes Sleeve Bearing and Ball Bearing , life expectancy
of sleeve bearing fan is 30000hours , while ball bearing is
50000hours 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 . About 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 .
Any more information , please feel free to contact Mona
Skype : Mona Yang
QQ : 3146648329
Tel : 86 755 26070992
We will reply you within 2 hours. Thanks
