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  • Pumps commonly used in ultra-high vacuum systems

    Pumps commonly used in ultra-high vacuum systems

    I. Mechanical pumps The main function of the mechanical pump is to provide the necessary pre-stage vacuum for the start-up of the turbomolecular pump. Commonly used mechanical pumps include mainly vortex dry pumps, diaphragm pumps and oil sealed mechanical pumps. Diaphragm pumps have low pumping ...
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  • What to do if your vacuum pump breaks down – 8 frequently asked questions for you

    What to do if your vacuum pump breaks down – 8 frequently asked questions for you

    Vacuum pumps Common faults, troubleshooting and repair methods Problem 1: Vacuum pump failed to start Problem 2: The vacuum pump does not reach the ultimate pressure Problem 3: Pumping speed is too slow Problem 4: After stopping the pump, the pressure in the pumped container rises too qui...
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  • Working pressure ranges for all types of vacuum pumps, please bookmark!

    Working pressure ranges for all types of vacuum pumps, please bookmark!

    A vacuum pump is a device that generates, improves and maintains a vacuum in an enclosed space by various methods. A vacuum pump can be defined as a device or equipment that uses mechanical, physical, chemical or physicochemical methods to pump the vessel being pumped to obtain a vacuum. With the...
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  • The most complete guide to the use of rotary vane vacuum pumps

    The most complete guide to the use of rotary vane vacuum pumps

    The following are some of the things that need to be noted during the use of the inline rotary vane vacuum pump. If one of them is used inadvertently, it will affect the service life of the vacuum pump and the operation of the vacuum pump. 1、 Cannot pump gas containing particles, dust or gum, wa...
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  • How to choose a KF series High Vacuum Block Straight Valve? Please take this guide

    How to choose a KF series High Vacuum Block Straight Valve? Please take this guide

    01 Product Description This series of valves is divided into manual, pneumatic and electromagnetic driven types. Features with smooth operation, small size, reliable use, good sealing performance and long service life. It is one of the preferred valves for vacuum equipme...
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  • What is a vacuum adapter? An article to let you know more

    What is a vacuum adapter? An article to let you know more

    The vacuum adapter is a convenient joint for quick connection of vacuum pipelines. The material is generally made of stainless steel 304. It is generally precision machined by CNC machine tools, with precise dimensions and beautiful appearance. In order to ensure vacuum welding, all elements of ...
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  • Knowledge|ISO flanges in vacuum systems

    Knowledge|ISO flanges in vacuum systems

    What is an ISO flange? ISO flanges are subdivided into ISO-K and ISO-F. What are the differences and connections between them? This article will take you through these questions. ISO is an accessory used in high vacuum systems. The construction of ISO flange series includes two smooth-faced sexle...
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  • Cracks in China’s export foothold due to global slowdown

    Cracks in China’s export foothold due to global slowdown

    Trucks appear at a container terminal in the port of Qingdao in China’s Shandong province on April 28, 2021, after the tanker A Symphony and the bulk carrier Sea Justice collided outside the port, resulting in an oil spill in the Yellow Sea. REUTERS/Carlos Garcia Rollins/File photo BEIJING,...
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  • Knowledge|CF flanges in vacuum systems

    Knowledge|CF flanges in vacuum systems

    In the previous article, I took you through the KF flange. Today I would like to introduce CF flanges. The full name of the CF flange is Conflat Flange. It is a kind of flange connection used in ultra-high vacuum system. Its main sealing method is metal sealing that is copper gasket sealing, can ...
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  • Do you need bellows? Super Flexible bellows

    Do you need bellows? Super Flexible bellows

    A vacuum bellow is an axisymmetric tubular shell that whose bus bar is corrugated in shape and which has a certain bendability. Therefore it is also referred to as a flexible or flexural tube. Due to its geometric shape, the bellows under pressure, axial force, transverse force and bending moment...
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  • What is a vacuum viewport? Read all about it in one article

    What is a vacuum viewport? Read all about it in one article

    A viewport is a window component mounted on the wall of a vacuum chamber through which various light and electromagnetic waves, such as ultraviolet, visible and infrared, can be transmitted. In vacuum applications it is often necessary to view the interior of the vacuum chamber through the window...
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  • KF flanges in vacuum systems

    KF flanges in vacuum systems

    In vacuum systems there are flanges of various sizes such as KFundefined CFundefined ISOundefined etc. These series of flanges are used in the vacuum system in the common sealing connectionundefined.  Today I will mainly introduce you to the KF flange. KF is the more common type of sealing connec...
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