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Classification of Control Valve Packing and Causes of Leakage

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...

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Causes of Peeling of Flame Spray Coatings of Ball Valves (Part One)

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,...

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Oilfield Valves

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...

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High-temperature Wear-resistant Ball Valves

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...

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Design and Optimization of Polysilicon Pipeline Trunnion Ball Valves

Design and Optimization of Polysilicon Pipeline Trunnion Ball Valves

  • Dec 18, 2023
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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...

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Material Selection & Processing of Trunnion Ball Valves for Polysilicon Pipelines

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...

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Hot and Cold Performance Tests of Valves (Part Two)

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...

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Hot and Cold Performance Tests of Valves (Part One)

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...

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Valves Processed by Diamond Special Spraying

Valves Processed by Diamond Special Spraying

  • Oct 23, 2023
  • Hits: 18

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...

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Alloy Spraying of Valve Sealing Surfaces

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...

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