Use :
Most popular tool worldwide for heat exchangers and condensers with tubes of 5/8" - 1 1/2" O.D. and thick tube sheets.
Longer reach expanders are available. Please let us know reach needed
Tube O.D.
(mm)
inch
Tube
Thickness
Tube
I.D.
Minimum I.D.
Tool Enters
Maximum
Expansion of Tool
EXPANDER with (38.10mm)
1.1/2" Long Rollers
EXPANDER with (57.15 mm)
2.1/4" Long Rollers
Complete
Mandrel
Rollers
Complete
Mandrel
Rollers
bwg
mm
inch
mm
inch
mm
inch
mm
inch
Tool No.
No.
Set. No.
Tool No.
No.
Set. No
(12.70)
1/2"
14
2.10
.083
8.4
.334
8.2
.324
9.5
.374
497
497
797
-
-
-
15
1.82
.072
9.0
.356
8.8
.348
10.1
.398
499
499
R-1
-
-
-
16
1.65
.065
9.4
.370
9.1
.360
10.4
.410
501
M-51
R-1
-
-
-
17
1.47
.058
9.7
.384
9.5
.374
10.7
.424
503
M-51
R-2
-
-
-
18
1.24
.049
10.2
.402
9.9
.392
11.3
.447
505
M-52
R-3
-
-
-
20
0.88
.035
10.9
.430
10.3
.406
11.7
.461
505 S
M-53
R-3
-
-
-
(15.88)
5/8"
12
2.76
.109
10.3
.407
9.9
.392
11.3
.447
505
M-52
R-3
-
-
-
13
2.41
.095
11.0
.435
10.8
.425
12.1
.480
507
M-53
R-4
-
-
-
14
2.10
.083
11.6
.459
11.4
.449
12.9
.509
509
M-54
R-4
510
M-54
R-4-A
15
1.82
.072
12.2
.481
11.9
.471
13.6
.536
511
M-55
R-5
512
M-55
R-5-A
16
1.65
.065
12.5
.495
12.3
.485
13.9
.550
513
M-55
R-6
514
M-55
R-6-A
17
1.47
.058
12.9
.509
12.6
.499
14.3
.564
515
M-56
R-6
516
M-56
R-6-A
18
1.24
.049
13.3
.527
13.1
.517
14.5
.572
517
M-57
R-7
518
M-57
R-7-A
19
1.06
.042
13.7
.541
13.2
.522
14.7
.582
519
M-56
R-7
520
M-56
R-7-A
20
0.88
.035
14.1
.555
13.6
.536
15.1
.596
519 S
M-58
R-7
520 S
M-58
R-7-A
21
0.81
.032
14.2
.561
13.6
.536
15.1
.596
519 S
M-58
R-7
520 S
M-58
R-7-A
22
0.71
.028
14.4
.569
13.6
.536
15.1
.596
519 S
M-58
R-7
520 S
M-58
R-7-A
(19.05)
3/4"
10
3.40
.134
12.2
.482
11.9
.471
13.6
.536
511
M-55
R-5
512
M-55
R-5-A
11
3.04
.120
12.9
.510
12.6
.499
14.3
.564
515
M-56
R-6
516
M-56
R-6-A
12
2.76
.109
13.5
.532
13.2
.522
14.7
.582
519
M-56
R-7
520
M-56
R-7-A
13
2.41
.095
14.2
.560
13.9
.550
15.6
.615
521
M-58
R-8
522
M-58
R-8-A
14
2.10
.083
14.8
.584
14.5
.574
16.2
.639
523
M-58
R-9
524
M-58
R-9-A
15
1.82
.072
15.3
.606
15.1
.596
16.7
.661
525
M-58
R-10
526
M-58
R-10-A
16
1.65
.065
15.7
.620
15.3
.605
17.4
.685
527
M-59
R-10
528
M-59
R-10-A
17
1.47
0.58
16.1
.634
15.7
.619
17.7
.699
529
M-59
R-11
530
M-59
R-11-A
18
1.24
.049
16.5
.652
15.7
.619
17.7
.699
529
M-59
R-11
530
M-59
R-11-A
19
1.06
.042
16.9
.666
16.3
.642
18.3
.722
531
M-59
R-12
532
M-59
R-12-A
20
0.88
.035
17.2
.680
16.3
.642
18.3
.722
531
M-59
R-12
532
M-59
R-12-A
21
0.81
.032
17.4
.686
16.3
.642
18.3
.722
531
M-59
R-12
532
M-59
R-12-A
22
0.71
.028
17.6
.694
16.3
.642
18.3
.722
531
M-59
R-12
532
M-59
R-12-A
(22.22)
7/8"
10
3.40
.134
15.4
.607
15.1
.596
16.7
.661
525
M-58
R-10
526
M-58
R-10-A
11
3.04
.120
16.1
.635
15.7
.619
17.7
.699
529
M-59
R-11
530
M-59
R-11-A
12
2.76
.109
16.6
.657
16.3
.642
18.3
.722
531
M-59
R-12
532
M-59
R-12-A
13
2.41
.095
17.4
.685
17.0
.670
19.0
.750
533
M-60
R-13
534
M-60
R-13-A
14
2.10
.083
18.0
.709
17.4
.685
19.6
.774
535
M-61
R-14
536
M-61
R-14-A
15
1.82
.072
18.5
.731
18.0
.712
20.3
.801
537
M-61
R-15
538
M-61
R-15-A
16
1.65
.065
18.9
.745
18.4
.726
20.7
.815
539
M-62
R-15
540
M-62
R-15-A
17
1.47
.058
19.2
.759
18.8
.740
21.0
.829
543
M-62
R-16
544
M-62
R-16-A
18
1.24
.049
19.7
.777
18.8
.740
21.0
.829
543
M-62
R-16
544
M-62
R-16-A
Model 497-556 expanders come with 3/8" square mandrel drives and Model 557-600 expanders come with 1/2" square mandrel drives.