On March 24, the technical achievements of the "Key technologies and Applications for the detection and evaluation of high-risk devices in Oil and gas fie…
Steam trap in the steam heating system plays a role in preventing steam drainage, choose the right trap, can make the steam heating equipment to achieve the …
In February, the daily production of coalbed methane in Qinshui coalbed methane field of Huabei Oilfield continued to maintain a high operating state of more…
1. Valve stem corrosion and protectionMain causes of valve stem corrosion:The corrosion damage of the valve body is mainly caused by the corrosive medium, and …
Fixed shaft ball valve is commonly used on natural gas pipelines, and its general inspection method is: turn the valve to the fully open or fully closed posi…
1. Inspection of appearance and logoCheck content: whether the appearance of the valve has defects, such as cracks, bubbles, dents, etc. Check signage, namepla…
Ball valve has many kinds of structure, but basically the same little difference, are the opening and closing parts for the round ball core, mainly by the va…
In the thermal system, the thermal trap plays a very important role, and its performance directly affects the stability and energy efficiency of the steam syst…