Three rolls, Self-feeding adjustable reach tube expander for deep reach expansion. Parallel rolling with long effective double radius rolls. Rolls are self-retained in the cage. An excellent expander for use as a touch-up expansion as well as a hard rolling and re-rolling a leaky tube and for new constructions of Water Tube Boilers, Fire-Tube Boilers, Economizers, Air Heaters. Expanders with 4, 5 rolls, with long rolls or longer reach with 2-inch increments are available on request.
Our K70’s Right Angle Rolling Motors are recommended to be used with this expanders.
Parameters
Tube OD: 1-1/4 inch (31,7 mm)
| TUBE GAUGE |
TUBE ID |
MIN. EXP. OF TOOL |
MAX. EXP. OF TOOL |
TUBE SHEET THICKNESS |
MANDREL SQUARE |
| 1/2” to 4/3” (12.7 to 120mm) |
| [bwg] |
[inch] |
[mm] |
[inch] |
[mm] |
[inch] |
[mm] |
[inch] |
[mm] |
Tool No. |
60mm Roll No. |
Mandrel No. |
[inch] |
[mm] |
| 16 |
.065 |
1.65 |
1,120 |
28.45 |
1,100 |
27.80 |
1,299 |
33.00 |
P2-280 |
998 |
T-290 |
1/2” |
12.7 |
Tube OD: 1-1/2 inch (38,1 mm)
| TUBE GAUGE |
TUBE ID |
MIN. EXP. OF TOOL |
MAX. EXP. OF TOOL |
TUBE SHEET THICKNESS |
MANDREL SQUARE |
| 1/2” to 4/3” (12.7 to 120mm) |
| [bwg] |
[inch] |
[mm] |
[inch] |
[mm] |
[inch] |
[mm] |
[inch] |
[mm] |
Tool No. |
60mm Roll No. |
Mandrel No. |
[inch] |
[mm] |
| 7-11 |
.180-.120 |
3.04-4.5 |
1.14-1.26 |
29.1-32.1 |
1,140 |
28.80 |
1,330 |
34.00 |
P2-290 |
1048 |
T-290 |
1/2” |
12.7 |
| 10-12 |
.134-.109 |
2.76-3.4 |
1.22-1.28 |
31-32.58 |
1,173 |
29.80 |
1,337 |
35.00 |
P2-300 |
1089 |
T-290 |
1/2” |
12.7 |
| 13-16 |
.095-.065 |
1.65-2.40 |
1.299-1.37 |
33-34.8 |
1,251 |
31.80 |
1,456 |
37.00 |
P2-320 |
1143 |
T-320 |
1/2” |
12.7 |
Tube OD: 1-3/4 inch (44,4 mm)
| TUBE GAUGE |
TUBE ID |
MIN. EXP. OF TOOL |
MAX. EXP. OF TOOL |
TUBE SHEET THICKNESS |
MANDREL SQUARE |
| 1/2” to 4/3” (12.7 to 120mm) |
| [bwg] |
[inch] |
[mm] |
[inch] |
[mm] |
[inch] |
[mm] |
[inch] |
[mm] |
Tool No. |
60mm Roll No. |
Mandrel No. |
[inch] |
[mm] |
| 8-9 |
.165-..148 |
4.20-4.60 |
1.454-1.420 |
36-37 |
1,370 |
34.80 |
1,614 |
41.00 |
P2-350 |
RR21A |
T-370 |
3/4” |
19 |
| 10-16 |
.134-.065 |
1.65-3.4 |
1.48-1.618 |
37.6-41.1 |
1,448 |
36.80 |
1,692 |
43.00 |
P2-370 |
RR22A |
T-370 |
3/4” |
19 |
Tube OD: 2 inch (50,8 mm)
| TUBE GAUGE |
TUBE ID |
MIN. EXP. OF TOOL |
MAX. EXP. OF TOOL |
TUBE SHEET THICKNESS |
MANDREL SQUARE |
| 1/2” to 4/3” (12.7 to 120mm) |
| [bwg] |
[inch] |
[mm] |
[inch] |
[mm] |
[inch] |
[mm] |
[inch] |
[mm] |
Tool No. |
60mm Roll No. |
Mandrel No. |
[inch] |
[mm] |
| 7-10 |
.180-.134 |
3.40-4.6 |
1.640”-1.732” |
41.6-44 |
1,566 |
39.80 |
1,811 |
46.00 |
P2-400 |
RR40A |
T-420 |
3/4” |
19 |
| 11-12 |
.120-.109 |
2.8-3.04 |
1.759-1.779 |
44.7-45.2 |
1,645 |
41.80 |
1,889 |
48.00 |
P2-420 |
RR23A |
T-420 |
3/4” |
19 |
| 13-15 |
.095-.072 |
1.82-2.4 |
1.811-1.854 |
46-47.1 |
1,724 |
43.80 |
1,968 |
50.00 |
P2-440 |
RR23A |
T-440 |
3/4” |
19 |
| 16 |
.065 |
1.65 |
1,870 |
47.50 |
1,842 |
46.80 |
2,125 |
54.00 |
P2-470 |
RR24A |
T-470 |
3/4” |
19 |
Tube OD: 2-1/4 inch (57,1 mm)
| TUBE GAUGE |
TUBE ID |
MIN. EXP. OF TOOL |
MAX. EXP. OF TOOL |
TUBE SHEET THICKNESS |
MANDREL SQUARE |
| 1/2” to 4/3” (12.7 to 120mm) |
| [bwg] |
[inch] |
[mm] |
[inch] |
[mm] |
[inch] |
[mm] |
[inch] |
[mm] |
Tool No. |
60mm Roll No. |
Mandrel No. |
[inch] |
[mm] |
| 10-12 |
.134-.109 |
2.76-3.4 |
1.98-2.031 |
50.3-51.6 |
1,921 |
48.80 |
2,204 |
56.00 |
P2-490 |
RR24A |
T-490 |
3/4” |
19 |
| 14-16 |
.083-.065 |
1.65-2.1 |
2.082-2.118 |
52.9-53.8 |
2,039 |
51.80 |
2,332 |
59.00 |
P2-520 |
RR25A |
T-490 |
3/4” |
19 |
Tube OD: 2-1/2inch (63,5 mm)
| TUBE GAUGE |
TUBE ID |
MIN. EXP. OF TOOL |
MAX. EXP. OF TOOL |
TUBE SHEET THICKNESS |
MANDREL SQUARE |
| 1/2” to 4/3” (12.7 to 120mm) |
| [bwg] |
[inch] |
[mm] |
[inch] |
[mm] |
[inch] |
[mm] |
[inch] |
[mm] |
Tool No. |
60mm Roll No. |
Mandrel No. |
[inch] |
[mm] |
| 11-12 |
.120-.109 |
2.8-3.04 |
2.259-2.279 |
57.4-57.9 |
2,118 |
53.80 |
2,440 |
62.00 |
P2-540 |
RR26A |
T-540 |
3/4” |
19 |
| 13-16 |
.095-.065 |
1.6-2.4 |
2.311-2.374 |
58.7-60.3 |
2,236 |
56.80 |
2,598 |
66.00 |
P2-570 |
RR27A |
T-570 |
3/4” |
19 |
Tube OD: 2-3/4 inch (69,8 mm)
| TUBE GAUGE |
TUBE ID |
MIN. EXP. OF TOOL |
MAX. EXP. OF TOOL |
TUBE SHEET THICKNESS |
MANDREL SQUARE |
| 1/2” to 4/3” (12.7 to 120mm) |
| [bwg] |
[inch] |
[mm] |
[inch] |
[mm] |
[inch] |
[mm] |
[inch] |
[mm] |
Tool No. |
60mm Roll No. |
Mandrel No. |
[inch] |
[mm] |
| 7-11 |
.180-.120 |
3.04-4.6 |
2.385-2.508 |
60.6-63.72 |
2,354 |
59.80 |
2,716 |
69.00 |
P2-600 |
RR28A |
T-570 |
3/4” |
19 |
Tube OD: 3 inch (76,2 mm)
| TUBE GAUGE |
TUBE ID |
MIN. EXP. OF TOOL |
MAX. EXP. OF TOOL |
TUBE SHEET THICKNESS |
MANDREL SQUARE |
| 1/2” to 4/3” (12.7 to 120mm) |
| [bwg] |
[inch] |
[mm] |
[inch] |
[mm] |
[inch] |
[mm] |
[inch] |
[mm] |
Tool No. |
60mm Roll No. |
Mandrel No. |
[inch] |
[mm] |
| 7-11 |
.180-.120 |
3.04-4.6 |
2.637-2.76 |
67-70.12 |
2,551 |
64.80 |
2,952 |
74.00 |
P2-650 |
RR29A |
T-650 |
3/4” |
19 |
| 13-15 |
.095-.072 |
2.4-1.82 |
2.811-2.856 |
71.4-72.56 |
2,669 |
67.80 |
3,070 |
78.00 |
P2-680 |
RR30A |
T-720 |
1” |
25.4 |
Tube OD: 3-1/4 inch (82,55 mm)
| TUBE GAUGE |
TUBE ID |
MIN. EXP. OF TOOL |
MAX. EXP. OF TOOL |
TUBE SHEET THICKNESS |
MANDREL SQUARE |
| 1/2” to 4/3” (12.7 to 120mm) |
| [bwg] |
[inch] |
[mm] |
[inch] |
[mm] |
[inch] |
[mm] |
[inch] |
[mm] |
Tool No. |
60mm Roll No. |
Mandrel No. |
[inch] |
[mm] |
| 7-12 |
.180-.120 |
3,04-4,6 |
2,895-3,01 |
73,55-76,47 |
2,834 |
72,00 |
3,228 |
82,00 |
P2-720 |
RR31-A |
T-720 |
1” |
25,4 |
| 13-16 |
.095-.065 |
1,65-2,4 |
3,061-3,120 |
77,75-79,25 |
3,030 |
77,00 |
3,430 |
87,00 |
P2-770 |
RR32-A |
T-770 |
1” |
25,4 |
Tube OD: 3-1/2 inch (88,9 mm)
10-16
| TUBE GAUGE |
TUBE ID |
MIN. EXP. OF TOOL |
MAX. EXP. OF TOOL |
TUBE SHEET THICKNESS |
MANDREL SQUARE |
| 1/2” to 4/3” (12.7 to 120mm) |
| [bwg] |
[inch] |
[mm] |
[inch] |
[mm] |
[inch] |
[mm] |
[inch] |
[mm] |
Tool No. |
60mm Roll No. |
Mandrel No. |
[inch] |
[mm] |
| .136-.065 |
1,65-3,4 |
3,232-3,370 |
82,1-85,6 |
3,228 |
82,00 |
3,622 |
92,00 |
P2-820 |
RR33-A |
T-820 |
1” |
25,4 |
Tube OD: 3-3/4 inch (95,25 mm)
| TUBE GAUGE |
TUBE ID |
MIN. EXP. OF TOOL |
MAX. EXP. OF TOOL |
TUBE SHEET THICKNESS |
MANDREL SQUARE |
| 1/2” to 4/3” (12.7 to 120mm) |
| [bwg] |
[inch] |
[mm] |
[inch] |
[mm] |
[inch] |
[mm] |
[inch] |
[mm] |
Tool No. |
60mm Roll No. |
Mandrel No. |
[inch] |
[mm] |
| 7-12 |
.180-.120 |
3,04-4,6 |
3,387-3,510 |
86,05-89,17 |
3,385 |
86,00 |
3,779 |
96,00 |
P2-860 |
RR34-A |
T-860 |
1” |
25,4 |
Tube OD: 4 inch (101,6 mm)
| TUBE GAUGE |
TUBE ID |
MIN. EXP. OF TOOL |
MAX. EXP. OF TOOL |
TUBE SHEET THICKNESS |
MANDREL SQUARE |
| 1/2” to 4/3” (12.7 to 120mm) |
| [bwg] |
[inch] |
[mm] |
[inch] |
[mm] |
[inch] |
[mm] |
[inch] |
[mm] |
Tool No. |
60mm Roll No. |
Mandrel No. |
[inch] |
[mm] |
| 8-12 |
.165-.109 |
3,4-4,2 |
3,669-3,732 |
93,2-94,8 |
3,543 |
90,00 |
4,015 |
102,00 |
P2-900 |
RR34-A |
T-900 |
1” |
25,4 |
| 13-16 |
.095-.065 |
1,65-2,40 |
3,811-3,870 |
96,8-98,3 |
3,779 |
96,00 |
4,409 |
108,00 |
P2-960 |
RR35-A |
T-960 |
1” |
25,4 |