Many devices generate magnetic fields when they work. For example, the magnetic field strength of a household refrigerator is about 10 Gauss (1mT), and the magnetic field strength of an MRI (nuclear magnetic resonance) can even be as high as 3T; although measures such as shielding can be taken, t...

1、 What is emulsification? From the point of view of physics, it can be understood that the phenomenon that two liquids that could not be mixed together could be mixed together due to the effect of surfactant is called emulsification. 2、 Reasons for emulsification of vacuum pump oil During ope...

In order to ensure that the vacuum equipment or system has a good sealing performance, it is far from enough to find the location of the leak after the installation of the equipment and block the channel of the leak. It is necessary to conduct vacuum leak detection at any time during the design, ...

In the context of the continuous expansion of the pharmaceutical industry and the continuous progress of vacuum pump technology, the market prospect of piston vacuum pump is broad, and the competition among manufacturers is also becoming more and more fierce. According to the industry, during the...

Vacuum Gauge is an instrument that measures vacuum or air pressure. Generally, the changes in a certain physical effect under different air pressure are measured for air pressure. Widely used in scientific research and industrial production. According to the different physical mechanisms used in ...

The sealing device of the pump is mainly divided into two categories: one is static seal, and the other is dynamic seal. Static seals usually have gasket seals, O-ring seals, thread seals and other types. Dynamic seals mainly include soft packing seals, oil seal seals, labyrinth seals, screw seal...

Roots vacuum pump has a very important performance index, the maximum allowable pressure difference, which is a key index related to whether the pump can operate normally. Before starting the Roots pump, the fore pump must be used to pre-pump the vacuum system to a certain degree of vacuum, and w...

In the process of assembling bearings and machine seals, most of the water ring pumps produced by EVP are assembled by hoisting (that is, vertically installing the pump), while the maintenance and replacement of bearings and machine seals by users in the later stage are mostly horizontal assembly...

The semiconductor industry has surpassed the traditional steel industry and automobile industry, and has become a high value-added and high-tech industry in the 21st century. Semiconductors are the core of many industrial equipment and are widely used in core fields such as computers, consumer el...

Vacuum leak detection is the process of detecting the leak location and size of the vacuum system. Air leakage is the phenomenon in which gas flows from the high pressure side to the low pressure side through leaks or gaps in the system. False leakage is a physical phenomenon relative to real lea...