Technical Articles

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

• Feb Fri, 2022
• Hits: 29

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,...

read more

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

• Jan Tue, 2022
• Hits: 17

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...

read more

Sealing of Cryogenic Ball Valves

• Feb Fri, 2024
• Hits: 9

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...

read more

Cryogenic Ball Valves

• Feb Sat, 2024
• Hits: 3

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...

read more

The Importance of Online Detection for Valves in Petrochemical Plants

• Jan Tue, 2024
• Hits: 5

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...

read more

Measures of Internal Leakages of Valves

• Nov Wed, 2023
• Hits: 6

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....

read more

Leakages of High-temperature and High-pressure Valves

• Nov Wed, 2023
• Hits: 5

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...

read more

Internal Leakage Treatment of Ball Valves

• Oct Mon, 2023
• Hits: 6

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...

read more

Applications of Eccentric Cylindrical Plug Valves with Elastic Seats

• Sep Sat, 2023
• Hits: 4

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...

read more

Valves Used for Spent Fuel Reprocessing Processes

• Sep Tue, 2023
• Hits: 4

(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...

read more

Classifications of Spent Fuel Reprocessing Process Valves

• Jun Thu, 2023
• Hits: 0

Spent fuel reprocessing technology began in the 1960s. Its purpose is to recover unburned and newly produced uranium and plutonium from the irradiated fuel in the reactor through physical and chemical...

read more

Solutions to Corrosion of Plug Valve Lining

• May Wed, 2023
• Hits: 2

3. Solutions The plug valve lining is deformed and falls due to the storage and operation of the plug valve and the inherent characteristics of the ordinary PTFE lining, so the existing problems are solved...

read more

Analysis of Corrosion of Plug Valve Lining

• May Sun, 2023
• Hits: 14

The reasons for the damage to the inner liner when the ordinary PTFE-lined plug valve is used in the self-circulation pipeline of the synthesis reactor of the acetic acid system were analyzed, and the...

read more

Analyzing the Distribution of Hardness of Ball Valve Core Coatings

• Apr Sun, 2023
• Hits: 4

1.1 Dimensional changes of the ball core before and after cladding The size of the ball core changed significantly before and after cladding, the sphericity increased to 10 to 20 times that before cladding....

read more

Problems in the Distribution of Coating Hardness of Ball Valve Cores

• Apr Mon, 2023
• Hits: 3

1. Overview A ball valve is one of the most important valves in the process industry. The medium pressure difference it allows to pass through is great, and it can be used in a wide range of environments....

read more

Triple Eccentric Metal Seated Butterfly Valves

• Mar Fri, 2023
• Hits: 3

A triple eccentric metal seated butterfly valve is a regulating valve with a simple structure. Butterfly valves can be used to control various media such as air, water, steam, various corrosive media,...

read more

Measures to Prevent Failure of Strength of Lead Brass Valve Shells (Part two)

• Mar Mon, 2023
• Hits: 3

4. Specifications for the annealing process When the hot forging shell material of the lead brass valve undergoes plastic deformation, there will be residual stress, and there will also be stress inside...

read more

Measures to Prevent Failure of Strength of Lead Brass Valve Shells (Part one)

• Feb Thu, 2023
• Hits: 1

Summary From the aspects of the grade selection and composition control of the raw material, hot forging and specifications of annealing processes, and installation precautions. Various measures to prevent...

read more

The Sealing & Principle of Triple Eccentric Metal Seated Butterfly Valves

• Feb Tue, 2023
• Hits: 5

The sealing and principle As a control part in the pipeline, a valve plays a role in controlling and regulating the medium in the pipeline no matter what structure it is in, so there are special...

read more

Structure of Triple Eccentric Metal Seated Butterfly Valves

• Jan Fri, 2023
• Hits: 6

With the development of the national economy, the demand for large-diameter valves has increased, and the requirements for pressure, temperature, sealing, corrosion resistance, and reliability have also...

read more