In theory, vacuum means that there is no substance in the volume. Usually, the pressure in the container is lower than the normal atmospheric pressure (101325pa), which is called the vacuum state. Many people don’t know what the vacuum degree of water ring vacuum pump is, so follow the EVP ...

The small water ring vacuum pump is not suitable for pumping out the gas containing particle dust, corrosive to ferrous metal, chemical reaction to pump oil, as well as the toxic gas with high oxygen content and explosive. It can not be used as a transfer pump (i.e. pumping from one container to ...

Roots vacuum pump is widely used in the key parts of paper consumption, such as web, vacuum couch, vacuum press and wool cloth dehydration. The output of roots pump directly affects the output and quality of paper. When the flow rate and vacuum degree decrease, it will cause the moisture change o...

Do you know the 10 important parameters of vacuum pump selection? With the wider and wider use of the vacuum pump, customers need to choose the type of knowledge is also urgently needed in the industry according to the pressure scale under different circumstances and different industrial needs, t...

The water ring vacuum pump is a kind of equipment commonly used in the industrial pump conveying gas. This requires a very smooth internal operation of the water ring vacuum pump, so if there is a problem, the water ring vacuum pump machine may get stuck and not work. For some reason, the motor o...

EVP water ring pump manufacturer tells you how to maintain the water ring pump. Water ring pump is a vacuum equipment that can generate vacuum, but it can be used in any place where vacuum is needed. How to maintain it daily? What is the maintenance method of water ring pump? Water ring pump mai...

Rotary vane vacuum pump is a kind of oil sealed mechanical vacuum pump, which is one of the most basic vacuum obtaining equipment in vacuum technology. At the same time, in the use of laboratory equipment, rotary vane vacuum pump is an essential laboratory equipment, often used with rotary evapor...

Most industries use vacuum units, so what are the types of vacuum pump system, and how to select the combination? Vacuum unit is generally named according to the type of main pump, such as water ring vacuum unit, water ring roots unit, screw vacuum unit, etc. it is classified according to the pro...

Sometimes when we use the liquid ring vacuum pump, we will find that its working efficiency is very low, and the comparison of working efficiency in normal use in peace time is very obvious. Then what factors affect the efficiency of the equipment? Let’s have a look. 1. Steam pressure When ...

Liquid ring vacuum pump is widely used to pump gas or gas. Its use is very common. It is used in vacuum filtration, vacuum evaporation and other aspects. Its application in vacuum transportation is also relatively good. Let’s understand the characteristics of vacuum transportation of this e...