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News
Failures of Sealing of Flanges on the Top of the Cryogenic Tank's Pump Well (Part Two)
- Posted: 06/07/2021 05:06:18
- Hits: 49
2. Reasons for the failure of the sealing surface of the top flange of the pump well Under normal circumstances, there are two forms of leakages on the flange's sealing surface: penetration leakages and interface leakages. When permeation leakage occurs, the fluid leaks through the capillary tube...
Failures of Sealing of Flanges on the Top of the Cryogenic Tank's Pump Well (Part One)
- Posted: 05/27/2021 12:05:22
- Hits: 66
Abstract Flanges on the top of pump wells of cryogenic tanks not only are subjected to periodic pressure and temperature changes during the normal operation of the cryogenic tank, but also the vibration load of the pump during operation. If the design is unreasonable, it may cause the sealing of the...
The Importance of the Sealing of the Flange Connection at High Temperatures
- Posted: 04/28/2021 08:04:08
- Hits: 56
There are many detachable sealing connection forms for containers and pipes, such as threaded connections, socket connections, and flange connections. Among them, the flange connection is the most common in the industry due to its simple structure, easy assembly, and disassembly. The flange connection...
Leakages of stainless steel flanges in refrigeration units of petrochemical equipment
- Posted: 03/19/2021 03:03:39
- Hits: 32
Abstract there are often dangerous factors such as flammable, explosive, high temperature, high-pressure, cryogenic, toxic and harmful and corrosive factors in the petrochemical production, processing, storage and transportation. Because high temperature, high pressure and deep cold can improve production...
How to Tell whether the Stainless Steel Flange is Real?
- Posted: 02/21/2021 10:02:32
- Hits: 68
There are many stainless steel flanges on the market. How to tell whether the stainless steel flange is real? The following methods will be shared with you. The spot test 1. Nitric acid A remarkable feature of the stainless steel flange is its corrosion resistance to concentrated...
The Difference between Flanges and Blind Flanges
- Posted: 02/01/2021 02:02:26
- Hits: 522
The blind flange has no holes in the middle. It is mainly used for sealing the pipe opening. Its function is the same as that of the pipe plug and the pipe cap. The difference is that the blind flange is a detachable sealing device while the pipe cap cannot...
Problems in Welding Process of the Flange and Flange Blank
- Posted: 01/06/2021 04:01:53
- Hits: 47
With the continuous development of the stamp flange blank, the flange processing technology has also developed rapidly. However, the flange has many physical and chemical properties, such as a strong oxidizing nature, a low melting point, fast heat conduction, a large coefficient of linear expansion, large...
The Pros and Cons of Flanges
- Posted: 12/28/2020 10:12:47
- Hits: 1404
1. Slip on plate flange Advantages: Convenient supply of raw materials, a simple manufacturing process, low costs and a wide range of applications. Disadvantages: The slip on plate flange has poor rigidity, so it should not be used in chemical process piping...
How to Choose the Welding Method of Pipe Flanges
- Posted: 12/14/2020 03:12:53
- Hits: 122
Pipe flange welding includes flat welding, butt welding, and socket welding. 1. Choose the appropriate flange material according to the material of the pipe. For example, stainless steel pipes are definitely not allowed to use carbon steel flanges. 2. Pick the proper flange...