TC Wilson

1-800-230-2636

BOILER TUBE EXPANDERS

EXPANDERS

Extension Drives

Extension Drives
This telescopic extension is suitable for the far end rolling of tubes in such HRT types of boilers as Fitzgibbons, Pacific and similar types. It is used with the same expander used for the front sheet. The extension can be as short as 49" or extend as far as desired. It will perform in a space as small as 7" at the back end.
 
Square Size
Inches
Adjustable Telescopic Drive Diameters
Inches
Reach
Inches
Max Min
Male Driven Female Driven Dim. "A" Dim. "B"
3/4 1/2 20405 1-1/16 1-1/16 49 92
3/4 21581 1-3/16 1-1/4
1 1 20412 2 1-7/8

Female Square
Inches
Plain Square Extension Added Reach
Inches
For Use With Assembly Reach
Inches
Max Min
1/2 20471 47 20405 96 139
3/4 21588 21581
1 20473 20412