Over the years, with the increase in the amount of oxygen, large oxygen users have used oxygen pipelines. Due to the long length of the pipeline, the distribution is wide, plus...
At present, there are more than 30 valve companies listed in the country. According to the disclosed annual report data, there are 18 large-scale enterprises with sales exceeding 100 million yuan, accounting for...
After the valve has been used for a long time, the sealing surface of the disc and valve seat will wear out and the tightness will be reduced. The repair of the sealing surface is a large and important work.
In 2018, the general machinery industry started well, and the output value, revenue and profit all increased significantly year-on-year, but some key enterprises still faced operational difficulties. This is the latest news from the...
Hydraulic valves are used to control the flow of oil in a hydraulic system or regulate its flow and pressure. Directional control valve is a kind of hydraulic valve, which controls the flow direction of oil by replacing the flow passage...
A) Direction and locations Many valves have directionality, such as cut-off valves, throttle valves, pressure reducing valves, check valves, etc. If they are reversed, they will affect the use effect and life...