For this expanders there are available special bottle type rolls which reduce the effective roll length. Max. for 10 mm from the front of the roll.
Recommended roll length for varies tube sheet thickness:
|
Tube Sheet Thickness
|
Roll Length
|
|
1/2” - 3/4” (12mm - 19mm)
|
40
|
|
7/8” - 1-1/4” (22mm - 32mm)
|
50
|
|
1-3/8” - 1-3/4” (35mm - 45mm)
|
60
|
|
1-7/8” - 2-1/4” (48mm - 58mm)
|
80
|
|
2-3/8” - 2-3/4” (60mm - 70mm)
|
90
|