News
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Flange local repair there are three methods
Flange application in many aspects, including petrochemical industry, energy industry, scientific research and military industry and other sectors of the national economy have played a very importa...Read more -
Installation sequence of butt welding flanges
Butt welding flange, also known as high neck flange, is a kind of pipe fitting, refers to the neck and a round pipe transition and pipe butt welding flange connection. Welding flange is not easy to...Read more -
How to prevent flange cracking
First of all, the cracking of stainless steel flange chemical composition analysis, analysis results indicate that the chemical composition of the stainless steel flange and welding data are in acc...Read more -
What are the analysis methods of forging quality?
The main task of forgings quality inspection and quality analysis is to identify the quality of forgings, analyze the causes of forgings defects and preventive measures, analyze the causes of forgi...Read more -
Flange manufacturer’s connection sealing treatment
There are three types of high-pressure flange sealing surface: plane sealing surface, suitable for low pressure, non-toxic media occasions; Concave and convex sealing surface, suitable for slightly...Read more -
Does common carbon steel flange have anticorrosion function?
Flanges are also called flanges or flanges. According to the different materials, can be divided into carbon steel flange, stainless steel flange and alloy steel flange. Carbon steel flange is the ...Read more -
DHDZ | Dream 2022! Good-luck of beginning ~~
Construction began on the seventh day of the first lunar month Struggle of life, is a happy life! Thank new and old customers for their support and company. In 2022, let us continue to work togethe...Read more -
Happy Chinese New Year | East Emperor Spring Festival holiday notice
In accordance with the relevant provisions of the Notice of The General Office of the State Council on the Arrangement of Some Holidays in 2022 and the actual situation of the organization, the Spr...Read more -
Lihuang Group 2022 will be wonderful!
2021 marks the centenary of the founding of the Communist Party of China (CPC) and the first year of the 14th Five-Year Plan. Coinciding with the convergence of China's two centenary Goals, 2021 i...Read more -
What is the use of wind power flange?
Wind turbine flange is a structural part connecting each section of tower cylinder or tower cylinder and hub, hub and blade, usually connected by bolts. Wind power flange is simply wind turbine fla...Read more -
Internal quality inspection of stainless steel forgings
Because stainless steel forgings are often used in the key position of the machine, so the internal quality of stainless steel forgings is very important. Because the internal quality of stainless ...Read more -
Alloy flange manufacturers: stainless steel flange rust spot how to deal with
Alloy flange manufacturer: generally supporting in water supply and drainage accessories (common on the expansion joint), the factory has a piece of flange at both ends of the expansion joint, dire...Read more
