In the application of vacuum system, the extracted gas not only includes all kinds of gases produced in the application process, but also includes the original atmospheric air in the system. 1. Gas generated in the process of vacuum system It includes gases emitted by materials in the process an...

Microwave tube needs high vacuum environment: microwave tube is a kind of electric vacuum device that amplifies microwave signal, mainly including electron gun, slow wave system, beam system, energy transmission device and collector, which are five basic functional components. The function of ele...

Select a good vacuum pump system is to choose the main pump, the choice of the main pump type and pumping speed is very important Steps/methods Method/step 1: Determination of main pump type (1) determine the type of main pump according to the ultimate pressure required by the vacuum chamber. In...

Circulating water vacuum pump series to circulating water as the working fluid, the use of fluid jet to generate negative pressure jet vacuum pump has become the most favored domestic circulating water multi-purpose vacuum pump. For evaporation, distillation, crystallization, drying, sublimation,...

How to conduct gas migration for dry screw vacuum pump The movement of molecules on the surface of a dry screw vacuum pump is called migration. In the state of thermal motion, gas molecules move from one part of space to another, and each physical quantity moves from a place of high concentration...

We should determine the model before using the screw vacuum pump, so what should we do? Here is how to determine the screw vacuum pump model: 1. According to the process parameters of the device, physical and chemical properties of the conveying medium and other parameters combined with the stru...

The use of the appropriate model of dry vacuum pump to solve the original mechanical vacuum pump can not solve the two major problems: One is the pump working medium reflux pollution is pumping container, and this reflux in many cases affect the quality of products, quantity, increase the mainten...

In the process of gasoline transportation, loading and unloading, there are a lot of volatilization, resulting in waste and environmental pollution. Therefore, in these occasions, oil and gas recovery vacuum pumps are often equipped for oil and gas recovery. Dry vacuum pump manufacturers to talk ...

Before using the 2BV water ring vacuum pump, we first need to determine the model to choose, and the correct choice can make the product play a greater benefit. Here, EVP vacuum pump co., ltd. will introduce the selection method of 2BV water ring vacuum pump for you. 1. Determine which series of...

It is easy to produce flammable, explosive and toxic substances in the process of semiconductor manufacturing, which will threaten the safety of production and personnel. Therefore, the vacuum pump manufacturer tells you several safety precautions for the application of semiconductor vacuum pump....