Expanders designed for boilers. Different series available to cover all ranges (inner / outer tube ø, plate thickness). Please do contact us to select :

  • the reference of the mandrels and rollers, based on your application
  • the required and compatible expanding machines and accesssories
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KSB SERIES: Self-feeding boiler expander with 3 expanding rollers and 3 flaring rollers. To order a PZ-54 dudgeon with 50 mm rollers, specify KS-5450; with 60 mm rollers, specify PZ-5460…A smaller short mandrel kit is available upon request.

B15Z SERIES: Boiler dudgeon with 3 rollers and fixed stop.

P2000 SERIES: 3-rollers boiler dudgeon with adjustable stop Max dudgeon depth: 120mm.