Large-diameter flange connection is an important connection method in pipeline construction. Flange connection is to...

1 Material inspection confirms the correctness of the material. 2. There are two methods of...

The welding seam between the necked butt welding flange and the pipe is in the...

Mainly used for flange drilling; Instead of manual scribing drilling and drilling die drilling, greatly...

Forged flange processing technology: The forging process generally consists of the following procedures, namely, selecting...

https://youtu.be/f9Gn4ZX2dGEThe scientific names of cald flange are lining flanges and lining flanges. It is to...

How many kinds of  flange? Normal Classification of Flanges. Elite Piping Manufacturer is a professional...

Large-diameter butt welding flange connections are easy to use, can withstand large pressures, and play...