Technical Articles

The Fault Diagnosis Technology for Valves at Home and Abroad (Part Two)

• Feb Fri, 2022
• Hits: 34

Failure mechanisms and symptoms of valves Understanding the mechanism and manifestation of valve faults is the basis for valve fault diagnosis. Yan Huang and others discussed the features,...

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The Fault Diagnosis Technology for Valves at Home and Abroad (Part One)

• Jan Tue, 2022
• Hits: 19

The fault diagnosis technology of the valve is to predict the health status of the valve by measuring the status information of the valve during operation, processing and analyzing the measurement...

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Structure of Cryogenic Top-Entry Ball Valves for LNG Receiving Stations

• Dec Thu, 2024
• Hits: 3

Abstract This paper provides an overview of commonly used sealing structures in cryogenic top-entry ball valves for LNG receiving stations. It examines the pressure capacity, operational characteristics,...

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Selection of Cryogenic Valves for Liquefied Natural Gas

• Dec Tue, 2024
• Hits: 4

Abstract Liquefied natural gas (LNG) plays an increasingly critical role in national energy production. Cryogenic valves used in LNG systems are essential components of these systems. This article outlines...

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Installation and Construction Process of Valves in Liquefied Natural Gas Plants

• Oct Tue, 2024
• Hits: 5

[Abstract] During the construction of large-scale international liquefied natural gas (LNG) plants, there are many types of valves, the processes are complex, and the costs are high. The construction...

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Designing Ultra-Low Temperature Ball Valves

• Oct Thu, 2024
• Hits: 9

2.3  Design of Embedded Closed Groove at the SPE End of Ultra-Low Temperature Ball Valves The valve seat sealing position of the fixed cryogenic ball valve differs slightly from that of...

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Typical Structural Design of Ultra-Low Temperature Ball Valves

• Sep Fri, 2024
• Hits: 15

1. Overview As one of the most promising clean energy sources of the 21st century, natural gas has consistently shown strong market potential. According to the medium and long-term natural gas demand...

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Applications of Rapid Make-up and Release Devices to Oil Plug Valves

• Sep Mon, 2024
• Hits: 12

Abstract: The oil plug is heavy and has a smooth outer wall. It is prone to deflection and slow to install. The slow installation speed of the plug significantly restricts and delays the entire well shut-in...

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Design of Balanced Pipeline Plug Valves

• Aug Mon, 2024
• Hits: 12

1. Overview A pipeline plug valve is a cut-off valve used for long-distance natural gas pipelines and station control systems, capable of meeting the special requirements of natural gas pipelines. The...

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High-Performance Metal Seated Ball Valves

• Aug Wed, 2024
• Hits: 12

Abstract: A high-performance elastic valve seat is designed for metal hard-sealed ball valves used in high-temperature and high-pressure working conditions on oil and gas production platforms. The design...

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Hydrogen Valve Testing

• Jul Sat, 2024
• Hits: 20

6.1 General requirements Hydrogen valves should be subjected to a 150% liquid pressure test and a 100% gas leakage test at the rated pressure of the components. Valves used in low-temperature environments,...

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A Complete Guide to Hydrogen Valves

• Jul Fri, 2024
• Hits: 27

1. Overview Hydrogen valves are key components in the production, storage, transportation and application of hydrogen, ensuring the safe, efficient and stable operation of the system. Hydrogen...

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Sealing of Cryogenic Ball Valves

• Feb Fri, 2024
• Hits: 21

Many factors affect whether the cryogenic ball valve is ultimately sealed, although the ball valve has a simple structure. It is a valve sealed by the medium’s pressure and its sphere has a special...

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Cryogenic Ball Valves

• Feb Sat, 2024
• Hits: 12

Cryogenic ball valves are a crucial component in various industries that deal with extreme temperatures. These cryogenic valves are specifically designed to withstand the low temperatures encountered...

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The Importance of Online Detection for Valves in Petrochemical Plants

• Jan Tue, 2024
• Hits: 13

In the fast-paced world of petrochemical plants, the proper functioning of valves is crucial for maintaining safety and efficiency. These valves control the flow of hazardous substances, such as flammable...

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Measures of Internal Leakages of Valves

• Nov Wed, 2023
• Hits: 13

High-temperature and high-pressure valves are important accessories in the thermal system of modern thermal power plants. They play very important functions such as cutting off, regulating, and protecting....

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Leakages of High-temperature and High-pressure Valves

• Nov Wed, 2023
• Hits: 9

The valves of thermal power plants are used to close, open, regulate and protect the flow of media in high-temperature and high-pressure steam pipelines, drainage water and water supply pipelines. In...

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Internal Leakage Treatment of Ball Valves

• Oct Mon, 2023
• Hits: 7

Limit check of ball valves When the valve is operating normally, check the valve limit online. For the opening and closing limit reference marks made during the installation stage, you can directly observe...

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Applications of Eccentric Cylindrical Plug Valves with Elastic Seats

• Sep Sat, 2023
• Hits: 6

The elastic seat seal eccentric plug valve has excellent corrosion resistance and sealing performance, and its service life and reliability are much better than traditional partial rotary valves due to...

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Valves Used for Spent Fuel Reprocessing Processes

• Sep Tue, 2023
• Hits: 5

(1) Globe valves A globe valve is the most common valve in post-processing engineering. It has great flow resistance and is used on horizontal pipelines that do not require good flow resistance. Globe...

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