The structure and working principle of the trap

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 …

The CBM production of Huabei oilfield continues to rise strongly

​In February, the daily production of coalbed methane in Qinshui coalbed methane field of Huabei Oilfield continued to maintain a high operating state of mo…

The 21st Tianjin Industry Fair 2025 intelligent pump valve exhibition

The 21st Tianjin Industry Expo (CIEX) will be held at the National Convention and Exhibition Center (Tianjin) from March 6 to 9.

How to choose the right valve in pipeline design?

​In the fluid piping system, the valve is the control element, its main role is to isolate the equipment and piping system, regulate the flow rate,

Valve components anticorrosion precautions

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, an…

China's first offshore gas storage facility officially put into operation!

​At 13:00 today, with the issuance of gas production instructions, the production valve of Nanpu No. 1 gas storage well of Jidong Oilfield Branch of petroch…

Yumen oilfield has entered the era of "pipeline natural gas transmission"

Method of judging internal leakage of natural gas ball valve

​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 po…

Profitable oil is produced from rock joint in Tuha oilfield

​Since the beginning of this year, Tuha Oilfield has established a "highway" for shale oil, tight oil and other reservoirs through various fractur…

Valve performance testing

1. Inspection of appearance and logoCheck content: whether the appearance of the valve has defects, such as cracks, bubbles, dents, etc. Check signage, namep…