Semiconductor industry is the cornerstone of the global information industry, whether from the perspective of science and technology or economic development, the importance is self-evident. The development of emerging technologies such as 5g, artificial intelligence, big data, Internet of things ...

EVP production of magnetic levitation composite molecular pump, 100% non-contact, no friction, more than three times the service life of traditional mechanical bearing molecular pump, its various technologies have a perfect combination of stability, reliability and high efficiency. The specific p...

When it comes to EVP CXF series turbomolecular pump, its “parents” are EVP CXF and FB series products which have been widely welcomed and trusted by EVP for many years. No wonder it was called the new benchmark of turbomolecular pump in scientific research field when it was born with ...

The starting of vacuum pump or pump group belongs to light load starting for prime mover, and there will be no problem when starting in general. However, for some large units, due to the inertia of the unit, it is difficult to start, and there is a large starting current when starting. If you do ...

1. Vacuum pump shaft is rotor shaft equipment to determine whether it is bending, deformation. 2. Whether the rotor balance condition meets the standard. 3. The cooperation space between vacuum pump blade and rotor. 4. Several times the amount of sealing buffer compensation arrangement is not re...

With the continuous improvement of industrial automation technology in tobacco industry, a large number of pneumatic film control valves are equipped in the heating and humidification system of cigarette making line, which is used together with other detection and execution devices to realize the...

Ultra high vacuum unit of characteristics and classification The ultra-high vacuum units operating above 10-5Pa include diffusion pump, molecular pump and oil-free ultra-high vacuum unit. The unit has the following characteristics: ① The limit vacuum degree of the main pump is higher than 10-7 ~ ...

Vortex technology has been patented since the 20th century. However, due to the limitation of technical level at that time, the vortex could not be produced, and the vortex was forgotten. In 1973, the scroll mechanism was lifted up again and the first model mechanism was made, which made the prac...

The stainless steel bellows stop valve is installed on the pipeline of marine power plant. During the use of the valve, the valve stem leaks and the valve stem is rusted. Although it has been repaired, the problems are repeated. By analyzing the cause of the failure, appropriate solutions were ad...

Vacuum pump using advantage of strategy When the rotor rotates in the direction of the arrow, space a expands continuously, and the gas in the pumped container continuously enters the space, while space C becomes smaller and smaller. The gas is driven out of the cavity through the valve through t...