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May 3rd 2023
Due to the casting process used in valve production, some defects such as blisters, pores, loose pores, slag holes, et……
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May 3rd 2023
Improving the ability of all aspects of the inspectors is an important factor in improving the quality of the laborato……
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April 24th 2023
Plasma spraying technology is a kind of technology that can strengthen or change the surface properties of the substra……
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April 24th 2023
The first cause of valve internal leakage is the improper valve design and selection. The designer did not comprehensi……
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April 17th 2023
When the valve has working medium leakage, especially the high temperature valve or low temperature valve, the heat em……
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April 17th 2023
From the improvement of the valve sealing structure can be seen that, after the actual application, there is a relativ……
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April 17th 2023
Leakage of flanges and threads at valve and pipe connections. Loose flange and threaded connections at valve an……
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April 14th 2023
The choice of piping material in low temperature environment has great influence on the work efficiency and life of va……