AB Series Boiler Tube Expander

  • Similar ‘A’ Series expanders
  • Bearing reduces frictional build up for smoother expanding cycles
  • Bearing increases useful life of tool
  • Use – High productivity tool used where flaring of tubes is not needed

X – Denotes roller code for tube sheet thickness range

X Tube sheet thick range Total roller length (A) Effective roller length (B)
Inch mm Inch mm
2 1/2″ to 7/8″ (12.7 to 22.22mm) 2.1/4″ 57.1 1.1/2″ 38.1
3 3/4″ 1.1/8″ (19.05 to 28.58mm) 2.1/2″ 63.4 1.3/4″ 44.5
4 1.1/8 to 1.5/8″ (28.58to 41.28mm) 3″ 76.2 2.1/4″ 57.2
5 1.5/8″ to 2.1/8″ (41.28 to 53.98mm) 3.1/2″ 88.8 2.3/4″ 69.9
6 2.1/8″ to 2.5/8″ (53.98 to 66.68mm) 4″ 101.5 3.1/4″ 82.6