Expanded pipe connection, one end of the pipe is expanded to form an inner cone with the same angle as the pipe joint, the angle between the cones is 74°, and the outer cone is consistent with the inner cone of the flat nozzle. The angles of the faces are consistent, and the angle between the cone faces is 66°.
Expanded pipe joints are suitable for media: oil, water, gas and other non-corrosive or corrosive media pipe joints. The specifications of the steel pipes used are relatively flexible. After welding with the pipes, they have a reliable connection and sealing. Due to its good performance, it is widely used in oil refining, chemical industry, light industry, textile, national defense, metallurgy, aviation, shipbuilding and other systems; it is also suitable for various mechanical engineering, machine tool equipment and other hydraulic transmission pipelines.