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March 24th 2023
From the previous several articles, we know the cause of external leakage. And this passage I will introduce the cause……
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March 22nd 2023
The performance indicators of the valve mainly include three aspects: flow coefficient, cavitation coefficient and sea……
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March 20th 2023
Combined with the connotation of valve leakage in petrochemical equipment, relevant personnel can infer the specific c……
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March 17th 2023
In the process of oil and gas ball valves testing, if the tightness of the valve is poor, then the oil and gas pipelin……
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March 15th 2023
At present, the main methods of valve leakage inspection at home and abroad include manual inspection, ultrasonic insp……
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March 13th 2023
Flame spraying technology is a form of the thermal spraying technology. Just like it’s name, it comes out……
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March 10th 2023
The improvement of the butterfly valve sealing structure is relatively important, which needs to be elaborated.……
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March 8th 2023
There are five reasons for internal leakage during the valve operation. The causes are as follows: (1) Improper……