News

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 important role. However in the reactor in the refinery, flange production environment is very bad, need to ... 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 deformation, good sealing, widely used, suitable for pressure or temperature fluctuation of pipelin... 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 accordance with the relevant specifications. The brinell hardness of the flange neck surface and sealin... 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 forgings defects, put forward effective prevention and improvement measures, which is an important way to... 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 higher pressure occasions; Tenon groove sealing surface, suitable for flammable, explosive, toxic m... 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 flange containing carbon steel material, according to the different content of trace elements, can b... 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 together, Common development, common learning, common progress! In the New Year, the friends of East Emper... 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 Spring Festival holiday arrangement in 2022 is hereby notified as follows: Spring Festival holiday time... 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 is of great significance in the long history of China's development. Meanwhile, as COVID-19 continues... 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 flange. Wind power flange is also called tower flange, its process mainly has the following steps: 1. r... 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 steel forgings can not be tested by intuitive method, so special physical and chemical inspection me... 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, directly connected with the pipeline and equipment in the project with bolts. That is, the kind of flang... Read More
<< < Previous 78910111213 Next > >> Page 10 / 24