Safety valve, one of safety accessories for pressure vessel
- Jul 01, 2020
- Hits: 76
A safety valve plays a role in preventing overpressure operation during the operation of the pressure vessel. When the pressure in the pressure vessel rises above the specified value (that is, the opening...
Precautions for welding of stainless steel pipe and pipe fitting
- Jun 29, 2020
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1. The power supply with vertical external characteristics is used, and the positive polarity is used when DC (welding wire is connected to the negative electrode). 2. Generally suitable for the welding...
How to repair valves under pressure?
- Jun 24, 2020
- Hits: 350
Valve maintenance A valve is a fitting on equipment and pipelines, and its maintenance should be carried out in conjunction with the maintenance of the equipment and pipeline. According to the regulations...
Application of butterfly valve in coal-to-methanol process system
- Jun 17, 2020
- Hits: 62
Today, the coal chemical industry line is spread all over the world, and the products of the coal chemical industry chain are closely related to our lives. Coal chemical industry uses coal as raw material,...
A Brief Introduction to Ball Valves
- Jun 04, 2020
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A ball valve uses a pivoting ball to provide on/off control of flow. The ball has a port, also called a bore, through the center. When the ball valve is positioned such that the bore is in line with the...
Installation position of check valve
- May 29, 2020
- Hits: 4956
Introduction This article discusses issues regarding the location of check valves: How to determine the installation position of the check valve? What is the difference between installing a check valve...
Working principle and operation method of globe valve
- May 28, 2020
- Hits: 145
In the process of production pipes in the coal chemical workshop, globe valves are often used. Let's analyze the working principle and operation of globe valves. Let's take a look today. A globe...
Differences between Gate Valve and Globe Valve
- Apr 30, 2020
- Hits: 205
With the development of society, the demand for valve is increasingly rising. Valves are pervasive, as it has emerged as an irreplaceable role in building, industry, people's daily life and other...
Check These Things over before Buying Your Own Valves
- Apr 16, 2020
- Hits: 77
Presumed that you are in need of a valve, do you know about how to determine the exact valve you are going to order? There are several things you have to consider and check over to help you make the decision....
Attractive Merits of Ball Valve
- Apr 10, 2020
- Hits: 56
"A ball valve is a form of quarter-turn valve which uses a hollow, perforated and pivoting ball to control flow through it.” The ball valve is used in the pipeline to cut, distribute and change...