Shenzhen Xingfengshun Science and Technology Co., Ltd
Professional DC/AC/EC Axial Cooling Fan,DC blower Maufacturer in China!!!
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① Drop Test
In minimal packing, fan withstands each one drop of three faces from 30cm distance height onto 10mm thickness of wooden board
② Locked rotor protection
Impedence of motor winding protects fan from fire in 72hours of locked rotor condition
at the rated voltage
③ Dielectric Strength
Fan can withstand 2500v 2sec 1mA between housing and two leads wire
Packaging & Shipping
( Mould design or modifications/ PCB designs / Advanced Features)
Shenzhen Xingfengshun Science and Technology Co., Ltd is an innovative, progressive,energetic compony, a
professional company specialized in research,development and manufacture of AC/DC/EC axial fan with its
own brand XFS-FAN. It was established in 2001 with 3600 square meters air-conditional and dust-free
plant.
Committing to the development and manufacture of AC and DC brushless fan for years, we strictly implement
ISO9001 quality system and our products have passed UL, CE, TUV, ROHS,CCC and other international
safety certification. We fully followed the Rohs (lead-free) process in 2008,so our DC fans, AC fans, blowers,
cross flow fans, EC fans, waterproof fans and purifier fans have been widely used in various electronic products,
machinery and equipment, power supplies, medical treatment, purification, stage lighting, automotive, refrigeration
and heat transfer , beauty equipment, sports equipment, LED lighting, stage lighting equipment and more than 60
industrial fields,and our products win high reputation in both domestic and international area.
We take technology and quality as the core and adhere to highest pursuit of customers’ satisfaction and strongest
guarantee of enterprise’s competition for the purpose in order to consistently create maximum value for customers.
CHINESE WEBSITE:http://www.xfs-fan.com http://www.xfs.1688.com
ENGLISH WEBSITE:http://www.xfsfan.com
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
a. fan voltage
b. fan current
c. fan speed
d. fan airflow
e. fan noise
f. fan lifespan
3. What is a bearing?
Fan 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.
a. Early Life Test
This is used as a mean of process control aimed at identifying any latent manufacturing problems and determining
the effectiveness of burn-in. Every day, 5 samples will be picked up randomly from one of the production lines
for burn in at 50°C+/-5°C for 24 hours.
b. On-going Reliability Demonstration
This is a longer-term program aimed at providing data on continuous basis to demonstrate the reliability of
product. 10 units per month are randomly 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 can I do if we can not find the suitable fan model in the fan list?
Please contact us for customized fans.