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HUNAN KECHENG
SERVICE&SUPPORT
Hunan Kecheng Instrument and Equipment Co.,Ltd, is a professional supplier for all series medical centrifuges since 2005, We are engaged in developing, producing, marketing and supporting to institudes, laboratory, hospitals around the world. 
In 2016, President Xi wrote new year greetings: "as long as we persist in, our dreams will come true". taken ten years to sharpen a sword, Kecheng combines researching & developing, production, sales, after sales service together. We got good reputation because of high quality and friendly service from worldwide, Our products have been exported to Europe, North America, Asia, Latin America,Middle East and Australia. Now we are looking for distributors all over the world. 

 
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  • ROTOR OF CENTRIFUGE

    THE ANGLE ROTOR:

    Fixed-angle rotors are used primarily in the higher speed range. Their relatively low drag means high speeds are attained. The oblique angling of the tubes shortens the overall distance the particles have to travel, thereby additionally speeding up the sedimentation process.

    THE SWING-OUT ROTOR:

    During centrifugation, the tubes are swung horizontal. In the process, the sediment is deposited in the middle of the tube bottom, phase limits are formed horizontally. If higher capacities are required in the mid speed range, swing-out rotors are used. The wide variety of accessories is a further feature of these rotors.
  • High speed centrifuge vacuum system, temperature control and Safety devices

    1. Vacuum system

    As a high speed ultracentrifuge, if running in the air, when the speed exceeds 4 * 10000 rpm turn, the air friction and heat that is a severe problem. Therefore, the speed centrifuges are equipped with a vacuum system, the centrifugal chamber sealed and pumped into the vacuum, in order to overcome the frictional resistance of air to ensure that the required centrifuge to normal speed.

    2. Temperature control and cooling system

    Temperature affects the level of particle settling velocity, in addition, many biological samples often requires centrifugal separation at lower temperatures, which requires temperature control. General high-speed centrifuge rotor chamber temperature control device in a thermocouple to monitor turned room temperature. All closed refrigeration compressor. By the compressor, condenser, evaporator, capillary, and four parts. To reduce noise, usually the condenser water cooling system. As with contact temperature thermistor temperature sensing instrument, the measuring instruments on the choice of temperature and read out the temperature control value.

    3. Safety devices

    High speed Centrifuge safety protection device typically includes the main power supply over-current protection device, the drive speed circuit protection, overload protection and freezer safe operation of the protection of four parts. Turned around in the bottom of the centrifuge speed are equipped with speed disk, if the rotor speed than the reference speed, the centrifuge automatically stop, turned around to ensure that the rotor speed does not exceed the maximum allowable speed. In order to prevent the rotor during operation due to burst damage, speed centrifuge centrifuge cavity is surrounded by a rotating special armored steel sleeve. Steel sleeve can rotate with the debris in order to absorb the huge broken rotor torque, to prevent accidents caused by burst.

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With the company spirit “One Line One Dream”, Kecheng promise to continue provide top quality products with best service to our business partners. 
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