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How is the metal hose pre compressed before installation?

Time: Nov 18,2022

The metal hose mainly has two stages: the bulging stage, in which both ends of the tube and the forming die are fixed, and the wall tube expands radially under the restriction of the die and the effect of the liquid pressure in the tube. The degree of bulging is relatively small, and its purpose is to make the forming die axially positioned on the pipe. In the two stages of forming, the tube is further bulged under the combined action of internal pressure and axial pressure.

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