Maintenance Techniques for Some Valves
With the development of social economy, the use of corrugated pipe valves, steam valves, thermal oil valves, pneumatic valves and other valves is becoming increasingly widespread. There are various...
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With the development of social economy, the use of corrugated pipe valves, steam valves, thermal oil valves, pneumatic valves and other valves is becoming increasingly widespread. There are various...
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The pressure valves of surface facilities and equipment in Daqing Oilfield have experienced internal leakage due to wear, corrosion, or other reasons. Due to the difficulty in detecting internal leaks...
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After entering winter, the temperature drops rapidly and the valve often freezes. If left untreated at this time, the pipeline is prone to failure. If it is in some high-risk working conditions,...
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The corrosion resistance of stainless steel generally increases with the increase of chromium content. The basic principle is that when there is sufficient chromium in the steel, a very thin to dense ...
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The PN and Class we usually use are a representation of pressure. The difference is that the pressure they represent corresponds to different reference temperatures. The PN European system refers to...
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Among users who use large-diameter globe valves in their daily lives, there is often a problem that they are difficult to close when used on media with large pressure differences, such as steam, high-...
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