Causes of Peeling of Flame Spray Coatings of Ball Valves (Part Two)
- Feb 23, 2024
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1.4 Energy spectrum analysis Energy spectrum analysis was performed on the original coating area, cracked coating area and peeled base material area on the surface of the ball valve. The results are shown...
Characteristics and Maintenance of Ceramic Lined Valve
- Feb 18, 2024
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Ceramic lined valves are made of high-tech new ceramic structural materials for valve sealing components and vulnerable parts, which improves the wear resistance, corrosion resistance, and sealing performance...
Classification of Control Valve Packing and Causes of Leakage
- Feb 18, 2024
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The valve assembly of a control valve consists of the valve internals and the valve body. The control valve internals include the valve plug, valve stem, packing box, and upper valve bonnet. Among these...
Causes of Peeling of Flame Spray Coatings of Ball Valves (Part One)
- Feb 04, 2024
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Abstract: Obvious deformation occurred at the joint between a ball valve and the valve stem, causing great deformation and peeling for the flame spray coating on the surface. Macroscopic observation,...
Oilfield Valves
- Jan 18, 2024
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What is an oilfield valve? An oilfield valve is a crucial component in the petroleum industry, designed to control the flow of fluids such as oil and gas within a wellbore. These valves are specifically...
High-temperature Wear-resistant Ball Valves
- Jan 09, 2024
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Features of high-temperature wear-resistant ball valves High-temperature wear-resistant ball valves are essential components in industries that deal with high-pressure and high-temperature fluids. These...
Design and Optimization of Polysilicon Pipeline Trunnion Ball Valves
- Dec 18, 2023
- Hits: 23
Polycrystalline silicon is an extremely important and excellent semiconductor material. It is widely used in the photovoltaic industry and the electronics industry. It is the main raw material for semiconductor...
Material Selection & Processing of Trunnion Ball Valves for Polysilicon Pipelines
- Dec 06, 2023
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Polycrystalline silicon is a form of simple silicon. Silicon atoms are arranged in a diamond lattice form to form polycrystalline silicon. The crystal nuclei forms grains in the same direction to form...
Hot and Cold Performance Tests of Valves (Part Two)
- Nov 23, 2023
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3.1.2 Cold sealing performance tests The sealing performance test of the valve is generally divided into high-pressure sealing and low-pressure sealing performance tests. The test pressure of the high-pressure...
Hot and Cold Performance Tests of Valves (Part One)
- Nov 16, 2023
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Abstract: valves usually need to work under high temperature and high pressure in many industrial fields such as petroleum, chemical industry, and nuclear power. Testing the performance of valves by simulating...
Valves Processed by Diamond Special Spraying
- Oct 23, 2023
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Diamond super wear-resistant ball valves are used in harsh working conditions in polysilicon, coal chemical, petrochemical and other industries, such as high temperature, high pressure, high flow rate...
Alloy Spraying of Valve Sealing Surfaces
- Oct 16, 2023
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The process flow of alloy spraying of valve sealing surfaces mainly includes four steps: preparation before spray welding of valves, surface pretreatment, spray welding of valves, and post-processing...