Three connection knowledge

- Aug 05, 2019-

The three-way joint is a kind of pipe. Its connection form is to directly weld the three-way pipe with the steel pipe. It is widely used at present, but many users do not know much about its related knowledge. Here is a brief introduction for you:
I. Types of three-way connections:
1, according to the pipe diameter, there are generally three equal diameters, three different diameters, etc..
2, according to the direction of the branch, there are positive three links and oblique three links.
3, according to the material is divided into carbon steel, alloy steel, stainless steel, three-way joint copper, PVC and other three links.
4, according to the connection method, there are ordinary three links, thread three links, card set three links, three connections.
The method of representation of 5 and 3 links is as follows: For equal paths and three links, for example, the "T6" general rule indicates that the outer diameter is 6 inches and the equivalent diameter is 3 links.
II. Production process of three-way joint:
The three-way joint forming is the size of the tube billet larger than the three-way diameter, which is compressed to the three-way diameter, and a hole is opened at the part of the stretching pipe; After heating, the tube billet is put into the forming die, and the punching die of the stretching tube is loaded into the tube billet; In the process of radial compression, the metal flows toward the branch tube and forms a branch tube under the tension of the die. The whole process is formed by the radial compression of the tube billet and the tensile process of the branch part. Unlike the hydraulic expansion three-way, the metal of the three-way joint branch is compensated by the radial motion of the tube billet, so it is also called the radial compensation process.