How does ball valve stand out in the field of valve?
In the 1950s, ball valves gradually appeared in the industrial production of western developed countries. And its utilization rate is rising year by year, and it is constantly improved by people. Now in China, ball valve is mainly used in pharmaceutical machinery, petroleum refining, water conservancy and chemical industry, power, municipal paper, steel and other industries. These industries have a very important position in the national economy. Therefore, ball valve is also an indispensable equipment in these industries.
1. How to stand out of the ball valve
In the field of valves, there are many kinds of valves. The reason why ball valve can stand out and be frequently used in various fields is inevitably inseparable from its irreplaceable advantages. So, what are the advantages of ball valve?
First of all, the advantage of ball valve can not be ignored is wear resistance. According to the industry technical personnel, for the valve, wear resistance is an important factor to test the quality of the valve. The sealing ring material of the ball valve is alloy steel surfacing, while the general valve sealing ring is rubber or other metals. These materials are not as good as the alloy steel surfacing of the ball valve. As we all know, the valve is a switch, it needs to be opened and closed. At the same time, the sealing ring will be greatly worn, but the sealing ring of ball valve will not be in this situation.
Secondly, the sealing performance of ball valve is very good. It is understood that the ball valve seal is not made by machine grinding, but by manual grinding, which can ensure a higher degree of coincidence, so the sealing performance is very reliable.
In addition, the service life of ball valve is very long. This is also the point that manufacturers pay great attention to the relevant production equipment. Because it is often used in the major production line industries, if its life is not long enough, it will be very difficult to replace, and will cause many mistakes.
2. Sharing of ball valve selection skills
As a kind of valve with the help of valve stem, the stable performance of ball valve is very important. Therefore, we need to follow some details in the selection, in order to better meet the actual needs:
(1)Focus on size selection. It is understood that the flow resistance of ball valve is generally very small, and the channel and pipeline are almost the same, so it can be used in some areas sensitive to medium conditions. When choosing this kind of valve, we should pay attention to the choice of size. Different sizes and different weights can achieve different results.
(2)Reasonable consideration of price.In the selection of valves, in addition to the comparison, we should also consider the economy, as long as it can meet the actual demand, it is not necessary to choose large size or large weight is a good choice.
In addition, the fixed ball valve has a closed valve chamber. If it is used in low temperature medium or in the environment that may produce gasification phenomenon, then the valve with relief device must be selected. When necessary, it is necessary to change the ball valve into butterfly valve or globe valve.
It is worth mentioning that the selection of ball valve also needs to pay attention to brand and price selection. It is wise to select valve with high cost performance