Recently, the Ministry of Water Resources, the National Development and Reform Commission, the Ministry of Finance,

Valve welding inspection is generally divided into two parts:

Carefully read the valve manual to understand the basic structure and principle.

On August 29, we learned from Xinxing Geophysical Development Office that the DAS3D-VSP well-ground combined mining project undertaken by Team 2514 in Wangyao South of Changqing Oilfield has been efficiently completed recently.

Today, when the dual carbon cause is deeply rooted in the hearts of the people, the green cause has become a new carrier of economic development

If there is leakage beyond the rated range between the valve disc and the valve seat of the safety valve, it will lead to the loss of the medium,

Check valve refers to the valve that automatically opens and closes the valve flap by relying on the flow of the medium itself to prevent the backflow of the medium,

On August 2, the special hot work of No. 149 valve room of the second line of the national pipeline network from west to east was held in Changjiang Village, Chijiang Town, Dayu County.

A key national oil and gas infrastructure project, Changqing Oilfield Sudong 39-61 gas storage was officially completed and put into production.

Welding slag, rust, slag, etc. in the pipeline cause blockage or jam in the throttle, guide part, and balance hole of the lower bonnet

With the development of society and economy, the use of valves is becoming more and more extensive, and there are many varieties of valves used in pipelines.

In the automatic control of modern factories, regulating valves play a very important role

Recently, the State Administration for Market Regulation issued Announcement No. 12 of 2022

On May 25, the key national oil and natural gas infrastructure

When using the equipment, regular maintenance is necessary. Of course, maintenance is not to meet the responsibility, but through the maintenance work