The Sealing Principle of Valves
- Jul 16, 2022
- Hits: 30
The sealing principle of valves The sealing is to prevent leakage, so the research of the sealing principle of valves started also from preventing leakage. There are two main factors causing the...
Main Influence Factors of the Sealing of Valves
- Jul 09, 2022
- Hits: 28
There are many factors affecting the sealing of valves. There are mainly the following points. 1. Auxiliary structure of the sealing Under the change of temperature or sealing force, the structure...
Notes for the Installation of Ball Valves
- Jun 29, 2022
- Hits: 25
This article is about the notes for the installation of ball valves. The ball valve was born in the 1950s, with the rapid development of science and technology, production technology and product...
The Difference between Globe Valves and Gate Valves
- Jun 26, 2022
- Hits: 28
We are going to talk about the difference between globe valves and gate valves. In terms of structure: The length of gate valves is shorter than that of globe valves, and the height is higher than that...
The Structure and Principle of Ball Valves
- Jun 21, 2022
- Hits: 27
This article is about the structure and principle of O type ball valves and V type ball valves. There are many kinds of structures of the ball valve, but they are almost the same. It is also the opening...
Differences between Bellows and Ordinary Globe Valves
- Jun 12, 2022
- Hits: 72
Here are the differences between bellows globe valves and ordinary globe valves. Bellows globe valves are also known as bellows seal globe valves. They are designed to ensure stem zero leakage by forming...
Difference between Ball Valves and Globe Valves
- May 30, 2022
- Hits: 28
Below are the differences between globe valves and ball valves. 1. The fluid resistance is not the same. The fluid resistance of ball valves is small. The resistance coefficient is equal to the...
The Difference between Forged Steel Valves and Cast Steel Valves
- May 17, 2022
- Hits: 25
The cast steel valve is the valve by cast. The general pressure grade of cast steel valves is relatively low (such as PN16, PN25, PN40, but there are also high pressures. They can be 1500Lb, 2500Lb)....
Valves Maintenance Technology
- May 17, 2022
- Hits: 23
With the continuous development of oil fields, domestic oil fields have entered the middle and late development stage, and oil well maintenance and oil and gas transportation have become the key work...
Difference between Rising Stem & Non-rising Stem Gate Valves
- Apr 28, 2022
- Hits: 16
Do you know the difference between rising stem gate valves and non-rising stem gate valves? Let's see it in this article. What are the structural features of gate valves? The gate valve...
How To Repair Electric Ball Valves?
- Apr 26, 2022
- Hits: 27
How to repair electric ball valves? What problems do we need to pay attention to? Now it is common that the electric ball valve is used. It is because this kind of ball valves often need to work under...
How to Maintain Ball Valves?
- Apr 16, 2022
- Hits: 34
The ball valve is one valve with a ball body as the opening and closing part. With the rapid development of our domestic processing technology, testing technology and intelligent control technology, as...