1. The pipes used for the connection between the pipes are: flange

2. Change the pipes in the direction of the pipe: elbow

3. Change the pipes of the pipe tube diameter: variable diameter (different diameter tube), different diameter elbow

4. Add pipelines for pipeline branches: Sanlong, Four Connect

5. Pipes used for tube sealing: pads, raw materials, line numbness, flange blind board, pipe blocked

6. Pipes used for fixed pipelines: card ring, drag hook, suspension, brackets, brackets, tube cards, etc.

Pipelines are parts that connect pipes into pipelines. According to the connection method, it can be divided into four types: inheritance pipes, threading parts, flange pipes and welded pipes. Made of the same data as the tube.