Industry News

Q235B Carbon steel flange sealing and welding

Flange is a kind of disk part, common in pipeline engineering, flanges are used in pairs. In pipeline engineering, flanges are mainly used for connecting pipelines. In the pipeline that needs to be connected, a flange should be installed. Wire flange can be used for low-pressure pipeli... Read More

What technologies are needed for processing and heat treatment of carbon steel elbow

In the process of heating and cooling of elbow, due to the inconsistent cooling speed and time between the surface and the heart, the temperature difference will be formed, which will lead to the uneven expansion and contraction of the volume and produce stress, that is, thermal stress. U... Read More

Export status of valves in China

China's main valve exporting countries are the United States, Germany, Russia, Japan, the United Kingdom, South Korea, the United Arab Emirates, Vietnam and Italy. In 2020, the export value of China's valves will be more than US $16 billion, a decrease of about US $600 m... Read More

Development of main valve markets

1. Oil and gas industry In North America and some developed countries, there are many proposed and expanded oil projects. In addition, because people pay more and more attention to environmental protection and the state has established environmental protection regulation... Read More

Data of China’s valve industry

By 2021, the annual output value of China's valve industry has exceeded 210 billion yuan for many consecutive years, with an industry growth rate of more than 6%. The number of valve manufacturers in China is huge, and the number of large and small valve enterprises nati... Read More

Current situation, future opportunities and challenges of China’s valve industry

Valve is the basic component of the pipeline system and occupies a very important position in the machinery industry. It has a wide range of applications. It is a necessary part in the transmission engineering of fluid, liquid and gas. It is also an important mechanical ... Read More