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The Fourth Drilling Company…
On August 25th, it was learned that the Gao166-77 well, drilled by the Fourth Drilling …
2025-09-05
Jilin Oilfields Closed Core…
Since the beginning of this year, Daqing Petrochemical Company has been adjusting the…
2025-08-29
The causes of leakage at th…
The sealing surface of a valve is its core component. The leakage forms of the sealing …
2025-08-22-
08-30 2024Method of preventing the regulator from getting stuck or blocked frequent…2024-08-3001, cleaning methodThe welding slag, rust, and residue in the pipeline cause blockage or jam in the throttle orifice, guide part, and balance hole of the lower valve cover, resulting in strain and scratch on the spool surface and guide surface>
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08-16 2024Valve daily maintenance guide2024-08-16Valves are not only widely used in various industries, but also the use of different environments, and some valves in harsh working environments are prone to problems. Because valves are important equipment, especially for some large valves, once a proble>
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08-09 2024What is the difference between the use of butterfly valve and gate valve?…2024-08-09According to the role and use of gate valve and butterfly valve, the flow resistance of gate valve is small, and the sealing performance is good,>
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07-26 2024How much do you know about the 9 misunderstandings of valve installation?…2024-07-26Do you know the 9 misunderstandings of valve installation? Lets take a look!>
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07-12 2024What defects are prone to valve castings?2024-07-121. StomataThis is a small cavity formed in the metal by the gas that fails to escape during the solidification process, its inner wall is smooth,>
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06-28 2024Valve common problems "High pressure drop"2024-06-28Due to the difference in upstream and downstream pressure,>
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06-21 2024Gate valve leakage cause analysis and treatment measures2024-06-21>
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04-05 202410 problems often encountered in the use of valves2024-04-0501 Why is the two-seat valve easy to oscillate when working with small opening?For a single core, when the medium is flow open, the valve stability is good; When the medium is flow closed type, the stability of the valve is poor. The double-seat valve has two spool, t…>
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03-29 2024Commonly used material heat treatment process of valve body2024-03-29Valve body blank heat treatment process according to different materials are as follows:1. Heat treatment of gray cast iron>
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03-15 2024Causes and treatment of internal leakage of natural gas ball valve2024-03-15Causes of ball valve internal leakage1. Reasons for internal leakage of the valve during the construction period:① Improper transportation and hoisting causes the overall damage of the valve, resulting in internal leakage of the valve;>
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