Non Parallel Expansion Expanders
The non parallel expansion expander known as a V Series expander. This expander is used in the repair and erection of boilers with thin tube sheets. V Series expanders roll approximately twice as fast as conventional expanders. Tube OD Sizes from 1.0″ OD to 3.0″ OD. Two types of mandrels are available Header and Short Series. Head mandrels are used when working through water legs.
Sizes and part numbers can be found in the PDF below: