Sales phone：+86-021-67895388 E-mail： shghfmc@163.com
Technical knowledge
Your location：Home >> NewsLatest News
Lanzhou Petrochemicals jet …
On May 21st, in the centralized control room of the refining area of Lanzhou Petrochemi…
2025-05-23
Faults and maintenance of W…
If you do not carefully check the usage condition and performance specifications of t…
2025-05-16
Dagang Oilfield has indepen…
As of April 21st, the Port Intelligence application large model of Dagang Oilfield has …
2025-04-25-
06-28 2024Valve common problems "High pressure drop"2024-06-28Due to the difference in upstream and downstream pressure,>
-
06-21 2024Gate valve leakage cause analysis and treatment measures2024-06-21>
-
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…>
-
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>
-
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;>
-
12-01 2023Shengli Gudong Oil extraction plant takes many measures to reduce the nat…2023-12-01>
+86-021-67895388
shghfmc@163.com 
93862333