Boiler Tube Expanders A Series

We are offering Boiler Tube Expanders A Series 7/8"- 4 1/2" O.D.





Features :
  • Best 'Value for Money' tool in the world when parallel rolling tubes.
  • Sturdy construction with rolls self contained in cage.
  • Time tested, durable design.
  • Use - Economical tool used for applications where tubes are to be expanded without flaring.
Tube O.D.
Tube 
Thickness
Tube 
O.D.
Tube 
Thickness
Minimum I.D.
Tool Enters
Maximum
Expansion of Tool
Tube Expander Model Number
Tube Sheet Thickness Range		 Spare Mandrel & 
Roller Model No.
inch
bwg
inch
inch
bwg
inch
mm
inch
mm
inch
1/2" To 7/8"
3/4" To 1.1/8"
1.1/8" To 1.5/8"
1.5/8" To 2.1/8"
2.1/8" To 2.5/8"
 Roller Model Number Mandrel Model Number Mandrel Sq Inch
7/8
15
.072
1
10
.135
18.1
.712
20.4
.803
A-31/2
A-31/3
-
-
-
 15 DM-11 3/8
7/8
16
.065
-
-
-
18.4
.724
20.7
.814
A-32/2
A-32/3
-
-
-
 15 DM-12 3/8
7/8
17
.058
1
11
.120
18.8
.740
21.1
.830
A-32/2
A-33/3
-
-
-
 16 DM-12 3/8
7/8
18
.049
1
12
.109
19.4
.763
21.6
.850
A-34/2
A-34/3
-
-
-
 20 DM-12 3/8
7/8
19 & 20
.042 & .035
1.1/8
8
.165
19.7
.775
22.3
.877
A-35/2
A-35/3
-
-
-
 17 DM-13 3/8
1
13
.095
-
-
-
20.1
.791
22.4
.881
A-36/2
A-36/3
-
-
-
 18 DM-12 3/8
1
14
.083
1.1/8
9
.148
20.6
.811
23.1
.909
A-37/2
A-37/3
A-37/4
-
-
 18 DM-13 3/8
1
15 & 16
.072 & .065
1.1/8
10
.134
21.3
.838
23.8
.937
A-38/2
A-38/3
A-38/4
-
-
 19 DM-13 3/8
1
17 & 18
.058 & .048
1.1/8
11
.120
22.0
.866
24.5
.964
A-39/2
A-39/3
A-39/4
-
-
 21 DM-13 3/8
1
19 & 20
.042 & .035
1.1/8
12
.109
22.4
.881
25.0
.984
A-40/2
A-40/3
A-40/4
-
-
 21 DM-14 3/8
1.1/4
8
.165
1.1/8
13
.095
23.3
.917
25.9
1.019
A-41/2
A-41/3
A-41/4
-
-
 22 DM-14 3/8
1.1/4
9
.148
1.1/8
14
.083
23.8
.937
26.5
1.043
A-42/2
A-42/3
A-42/4
-
-
 23 DM-15 1/2
1.1/4
10
.134
1.1/8
15 & 16
.072 & .065
24.4
.960
27.2
1.070
A-43/2
A-43/3
A-43/4
-
-
 24 DM-15 1/2
1.1/4
11
.120
-
-
-
25.2
.992
28.0
1.102
A-44/2
A-44/3
A-44/4
-
-
 26 DM-16 1/2
1.1/4
12
.109
-
-
-
25.7
1.011
28.5
1.122
A-45/2
A-45/3
A-45/4
-
-
 27 DM-16 1/2
1.1/4
13
.095
1.3/8
8
.165
26.1
1.027
28.8
1.133
A-46/2
A-46/3
A-46/4
-
-
 31 DM-16 1/2
1.1/4
14
.083
-
-
-
26.4
1.039
29.2
1.149
A-47/2
A-47/3
A-47/4
-
-
 28 DM-17 1/2
1.1/4
15
.072
1.3/8
9
.148
26.9
1.059
29.7
1.169
A-48/2
A-48/3
A-48/4
-
-
 29 DM-17 1/2
1.1/4
16
.065
1.3/8
10
.134
27.6
1.086
30.4
1.196
A-49/2
A-49/3
A-49/4
A-49/5
A-49/6
 30 DM-17 1/2
1.1/2
7
.180
1.3/8
11
.120
28.3
1.114
31.2
1.228
A-50/2
A-50/3
A-50/4
A-50/5
A-50/6
 30 DM-18 1/2
1.1/2
8
.165
1.3/8
12
.109
28.8
1.133
31.7
1.248
A-51/2
A-51/3
A-51/4
A-51/5
A-51/6
 32 DM-18 1/2
1.1/2
9
.148
1.3/8
13 & 14
.095 & .083
29.5
1.161
33.4
1.314
A-52/2
A-52/3
A-52/4
A-52/5
A-52/6
 28 DM-20 1/2
1.1/2
10
.134
1.3/8
15 & 16
.072 & .065
30.0
1.181
34.1
1.342
A-53/2
A-53/3
A-53/4
A-53/5
A-53/6
 29 DM-20 1/2
1.1/2
11 & 12
.120 & .109
-
-
-
30.6
1.204
34.8
1.370
A-54/2
A-54/3
A-54/4
A-54/5
A-54/6
 30 DM-20 1/2
1.1/2
13
.095
1.3/4
5
.220
31.4
1.236
35.6
1.401
A-55/2
A-55/3
A-55/4
A-55/5
A-55/6
 33 DM-20 1/2
1.1/2
14 & 15
.083 & .072
1.3/4
6
.203
32.6
1.283
36.8
1.448
A-56/2
A-56/3
A-56/4
A-56/5
A-56/6
 34 DM-21 1/2
-
-
-
1.3/4
7
.180
33.4
1.314
38.1
1.500
A-57/2
A-57/3
A-57/4
A-57/5
A-57/6
 36 DM-21 1/2
-
-
-
1.3/4
8
.165
34.2
1.346
38.7
1.523
A-58/2
A-58/3
A-58/4
A-58/5
A-58/6
 37 DM-21 1/2
2
3
.259
1.3/4
9 & 10
.148 & .134
35.0
1.377
40.6
1.598
A-59/2
A-59/3
A-59/4
A-59/5
A-59/6
 33 DM-22 3/4
2
4
.238
1.3/4
11 & 12
.120 & .109
36.6
1.440
42.2
1.661
A-60/2
A-60/3
A-60/4
A-60/5
A-60/6
 37 DM-22 3/4
2
5 & 6
.200 & .203
1.3/4
13 & 14
.095 & .083
38.2
1.503
43.8
1.712
A-61/2
A-61/3
A-61/4
A-61/5
A-61/6
 38 DM-22 3/4
2
7 & 8
.180 & .165
1.3/4
15 & 16
.072 & .065
39.8
1.566
45.4
1.787
A-62/2
A-62/3
A-62/4
A-62/5
A-62/6
 39 DM-22 3/4
2
9 & 10
.148 & .134
2.1/4
3
.259
41.4
1.629
47.0
1.850
A-63/2
A-63/3
A-63/4
A-63/5
A-63/6
 40 DM-22 3/4
2
11 - 13
.120 - .095
2.1/4
4
.238
42.9
1.688
49.5
1.948
A-64/2
A-64/3
A-64/4
A-64/5
A-64/6
 40 DM-23 3/4
2
14 - 16
.083 - .065
2.1/4
6 & 7
.203 & .180
44.5
1.751
51.1
2.011
A-65/2
A-65/3
A-65/4
A-65/5
A-65/6
 41 DM-23 3/4
2
17 & 18
.085 & .049
2.1/4
8 & 9
.165 & .148
46.1
1.814
52.7
2.074
A-66/2
A-66/3
A-66/4
A-66/5
A-66/6
 42 DM-23 3/4




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