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18

2022-11

【Technical article】 The last line of defense for pressure relief valves in pressure vessels shall be

The installation of safety and relief valves in pressure vessels and the use of stop valves upstream and downstream are considered to be the last line of defense for equipment with internal pressure greater than atmospheric pressure.
12

2022-11

【Technical article】 What are the working principles of electric gate valve

Electric gate valve is a widely used valve, which is mainly used in analog quantity regulation of medium flow in liquid, gas and air systems.
04

2022-11

【Industry trends】 Push the "bottle to pipe" and tighten the gas safety valve

"Bottle to pipe", that is, changing bottled liquefied gas into pipeline natural gas, is an important work to prevent gas safety risks.
28

2022-10

【Industry trends】 The situation of oil and gas exploration and development in China in the past decade

Energy is the cornerstone of economic development. Over the past decade,
21

2022-10

【Technical article】 Introduction to antifreeze and maintenance of valves

?In winter, the temperature drops rapidly, and the valve often freezes. At this time, if it is not handled, the pipeline will be prone to failure.
14

2022-10

【Technical article】 What problems should be avoided during the use of V-ball valve?

When using the relevant mechanical equipment, if some wrong methods are used, the equipment will be seriously injured.
07

2022-10

【Industry trends】 China's hydrogen energy industry is entering a new stage of development

?As a clean, efficient, safe and sustainable new energy, hydrogen energy has become an important direction of low-carbon energy development and transformation.
30

2022-09

【Industry trends】 Investment in high-tech industry maintained rapid growth from January to August

According to the data of the National Bureau of Statistics, from January to August, the investment in high-tech industries increased by 20.2%
24

2022-09

Speed up the construction of large-scale water supply projects in rural areas

?Recently, the Ministry of Water Resources, the National Development and Reform Commission,
17

2022-09

【Technical article】 Valve Welding Inspection

Valve welding inspection is generally divided into two parts:

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