Three rolls, Self feeding tube expanders. Flip type thrust collar, accommodate tube sheets of 3/8” to 1” thick. An excellent expander for re-rolling a leaky tubes and for new constructions of Water Tube Boilers, Fire Tube Boilers, Economizers, Air Heaters. Expanders with 4, 5 and 7 rolls are available on request.
Our K70‘s right-angle rolling motors are recommended to be used with this expanders.
Refer to page AK50 Automatic Rolling Motor