Tube expander
(1)tube expander is used for expanding the bellow cuff into the required size, so that it is easy to fix flange and weld pipes.
(2)DN56-300mm, DN300-1450mm.

1. Expansion joint machine series:
---Automatic punch expansion joint forming machine DN100-7000mm
---Bellow re-rolling machine
---Tube expander
---Rubber expansion joint forming machine
---Elastic elements machin