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Hard seal ball valve failure analysis and solution discussion

Hard seal ball valve failure analysis and solution discussion

Hard seal ball valve failure analysis and solution discussion

26

2023

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09

Working temperature and nominal pressure range of commonly used materials for valve bodies

Working temperature and nominal pressure range of commonly used materials for valve bodies

The working temperature and nominal pressure range of commonly used materials for valve bodies:

13

2022

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09

Reform and Changes of Wenzhou Valve Foreign Trade Market

Reform and Changes of Wenzhou Valve Foreign Trade Market

From then on, the Wenzhou valve foreign trade market truly opened. At the beginning, the doors of several companies with surnames Wang in Xiamen were knocked down by the small bosses in Wenzhou who wanted to use the American standard on time machines. Manufacturers producing American standards and German standards have sprung up like mushrooms after a rain.

13

2022

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09

Material Application of Chromium Molybdenum Steel Valves

Material Application of Chromium Molybdenum Steel Valves

Chromium molybdenum steel valve is the most commonly used type of valve in power plants, and its difference lies in the fact that other valves are made of chromium molybdenum steel material. For valves made of chromium molybdenum steel material, everyone is still not familiar with it, so I will briefly introduce it here

13

2022

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09

Applicable temperature range of commonly used materials for valve bodies

Applicable temperature range of commonly used materials for valve bodies

Applicable temperature range of commonly used materials for valve bodies

13

2022

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09

How to operate manual valves correctly

How to operate manual valves correctly

　Manual valve is a type of valve commonly used in equipment and devices, which is operated through a handle or handwheel. In general, clockwise rotation of the handle and handwheel is specified as the closing direction, and counterclockwise rotation is specified as the opening direction. But some valves have opposite opening and closing directions as mentioned above. Before operating, attention should be paid to checking the opening and closing signs before operating.

13

2022

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09

Explain what coarse and fine benchmarks are, and how to choose between them

Explain what coarse and fine benchmarks are, and how to choose between them

In the first process of mechanical processing, the workpiece uses the unprocessed rough surface as the positioning reference, which is called the coarse reference.

13

2022

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09

Which of the valve materials are suitable for making grinding tools

Which of the valve materials are suitable for making grinding tools

The selection of grinding tool materials should be determined by the material and performance of the valve grinding parts. The grinding tool material should have the characteristics of fine and uniform organization, good sand embedding performance, good wear resistance, sufficient stiffness, no deformation, and softer hardness than the grinding part.

13

2022

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09

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