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