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December 19th 2022
At low temperature, it has good resilience and mechanical strength, and small linear expansion coefficient. The middle……
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December 16th 2022
Valve internal leakage is a common fault of natural gas pipeline valve. Therefore, it is important to have fault analy……
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December 14th 2022
Valve stem leakage is mainly divided into external leakage and internal leakage, and liquefied natural gas is flammabl……
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December 12th 2022
Except for this reason of the valve quality, the installation of valve flange also can cause the leakage. The followin……
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December 9th 2022
Valve is an important control component in fluid transport system, which is widely used in petrochemical, thermal powe……
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December 7th 2022
In the application of valve sealing structure, attention should be paid to strengthen attention from several aspects. ……
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December 5th 2022
The volume of liquefied natural gas (LNG) will expand rapidly after gasification. After closing the valve, the residua……
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December 2nd 2022
Abnormal operation of valve switch is one of the most common valve faults. There are many reasons for this situation, ……