Boiler Tube Expanders A Series

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





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		 Sqare 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 No. Mandrel Model No. Mandrel Sq Inch
2.1/2
3
.259
2.1/4
10 & 11
.134 & .120
47.7
1.877
54.3
2.137
A-67/2
A-67/3
A-67/4
A-67/5
A-67/6
 43 DM-23 3/4
2.1/2
4 & 5
.238 & .220
2.1/4
12 & 13
.109 & .095
49.3
1.940
55.9
2.200
A-68/2
A-68/3
A-68/3
A-68/5
A-68/6
 44 DM-23 3/4
2.1/2
6 & 7
.203 & .180
2.1/4
14 - 16
.083 - .065
50.8
2.000
57.8
2.275
A-69/2
A-69/3
A-69/3
A-69/5
A-69/6
 43 DM-24 3/4
2.1/2
8 & 9
.165 & .148
2.3/4
3
.259
52.4
2.062
59.4
2.338
A-70/2
A-70/3
A-70/3
A-70/5
A-70/6
 44 DM-24 3/4
2.1/2
10 & 11
.134 & .120
2.3/4
4
.238
54.0
2.125
61.0
2.401
A-71/2
A-71/3
A-71/3
A-71/5
A-71/6
 45 DM-24 3/4
2.1/2
12 -14
.109 - .083
2.3/4
5 & 6
.220 & .203
55.6
2.188
64.0
2.519
A-72/2
A-72/3
A-72/3
A-72/5
A-72/6
 47 DM-24 3/4
2.1/2
15 & 16
.072 & .065
2.3/4
7 & 8
.180 & .165
57.2
2.251
65.6
2.582
A-73/2
A-73/3
A-73/3
A-73/5
A-73/6
 46 DM-25 1
3
3
.259
2.3/4
9 & 10
.148 & .134
58.6
2.307
67.0
2.637
A-74/2
A-74/3
A-74/3
A-74/5
A-74/6
 47 DM-25 1
3
4
.238
2.3/4
11 - 13
.120 - .095
60.4
2.377
68.8
2.708
A-75/2
A-75/3
A-75/3
A-75/5
A-75/6
 48 DM-25 1
3
5 & 6
.220 & .203
2.3/4
14- 16
.083 - .065
62.2
2.448
70.4
2.771
A-76/2
A-76/3
A-76/3
A-76/5
A-76/6
 49 DM-25 1
3
7 & 8
.180 & .165
-
-
-
63.6
2.503
72.0
2.834
A-77/2
A-77/3
A-77/3
A-77/5
A-77/6
 50 DM-14 1
3
9 & 10
.148 & .134
3.1/4
3
.259
65.0
2.559
73.4
2.889
A-78/2
A-78/3
A-78/3
A-78/5
A-78/6
 51 DM-25 1
3
11 - 13
.120 -.095
3.1/4
4
.238
66.6
2.622
75.0
2.952
A-79/2
A-79/3
A-79/3
A-79/5
A-79/6
 52 DM-25 1
3
14 - 16
.083 -.065
3.1/4
5 & 6
.220 & .203
68.3
2.688
76.9
3.027
A-80/2
A-80/3
A-80/3
A-80/5
A-80/6
 51 DM-25 1
3.1/2
2
.284
3.1/4
7 & 8
.180 & .165
69.9
2.751
78.5
3.090
A-81/2
A-81/3
A-81/3
A-81/5
A-81/6
 52 DM-25 1
3.1/2
3
.259
3.1/4
9 & 10
.148 & .134
71.5
2.814
80.1
3.153
A-82/2
A-82/3
A-82/3
A-82/5
A-82/6
 53 DM-25 1
3.1/2
4
.238
3.1/4
11 - 13
.120 - .095
73.1
2.877
81.7
3.216
A-83/2
A-83/3
A-83/3
A-83/5
A-83/6
 54 DM-26 1
3.1/2
5 & 6
.220 & .203
3.1/4
14 - 16
.083 - .065
74.6
2.937
84.2
3.314
A-84/2
A-84/3
A-84/3
A-84/5
A-84/6
 54 DM-27 1
3.1/2
7 & 8
.180 & .165
3.3/4
2
.084
76.2
3.000
85.5
3.366
A-85/2
A-85/3
A-85/3
A-85/5
A-85/6
 55 DM-27 1
3.1/2
9 - 10
.148 - .120
3.3/4
3
.259
77.8
3.062
87.4
3.440
A-86/2
A-86/3
A-86/3
A-86/5
A-86/6
 56 DM-27 1
3.1/2
12 - 16
.109 - .065
3.3/4
4
.238
79.4
3.125
89.0
3.503
A-87/2
A-87/3
A-87/3
A-87/5
A-87/6
 57 DM-27 1
-
-
-
3.3/4
5 & 6
.220 & .203
81.0
3.188
90.6
3.566
A-88/2
A-88/3
A-88/3
A-88/5
A-88/6
 58 DM-27 1
4
2
.284
3.3/4
7 & 8
.180 & .165
82.6
3.251
92.2
3.629
A-89/2
A-89/3
A-89/3
A-89/5
A-89/6
 59 DM-27 1
4
3
.259
3.3/4
9 & 10
.148 & .134
84.2
3.314
93.8
3.629
A-90/2
A-90/3
A-90/3
A-90/5
A-90/6
 60 DM-27 1
4
4
.238
3.3/4
11 -13
.120 - .095
85.8
3.377
96.2
3.787
A-91/2
A-91/3
A-91/3
A-91/5
A-91/6
 59 DM-28 1
4
5 & 6
.220 & .203
3.3/4
14 -16
.083 - .065
87.4
3.440
97.8
3.850
A-92/2
A-92/3
A-92/3
A-92/5
A-92/6
 60 DM-28 1
4
7 & 8
.180 & .165
4.1/4
2
-
89.0
3.503
99.4
3.913
A-93/2
A-93/3
A-93/3
A-93/5
A-93/6
 61 DM-28 1
4
9 - 11
.148 - .120
4.1/4
3
.284
90.4
3.559
100.8
3.968
A-94/2
A-94/3
A-94/3
A-94/5
A-94/6
 62 DM-28 1
4
12 - 16
.109 - .065
4.1/4
4
.238
92.0
3.622
102.4
4.031
A-95/2
A-95/3
A-95/3
A-95/5
A-95/6
 63 DM-28 1
-
-
-
4.1/4
5 & 6
.220 & .203
93.4
3.677
103.8
4.086
A-96/2
A-96/3
A-96/3
A-96/5
A-96/6
 62 DM-29 1
4.1/2
2
.284
4.1/4
7 & 8
.180 & .165
95.0
3.740
105.4
4.149
A-97/2
A-97/3
A-97/3
A-97/5
A-97/6
 63 DM-29 1
4.1/2
3
.259
4.1/4
9 -11
.148 - .120
96.6
3.803
107.0
4.212
A-98/2
A-98/3
A-98/3
A-98/5
A-98/6
 64 DM-29 1
4.1/2
4 & 5
.238 & .220
4.1/4
11-13
.120 - .095
98.2
3.866
108.6
4.275
A-99/2
A-99/3
A-99/3
A-99/5
A-99/6
 63 DM-30 1
4.1/2
6 & 7
.203 & .180
-
-
-
101.2
3.984
110.0
4.330
A-100/2
A-100/3
A-100/3
A-100/5
A-100/6
 64 DM-30 1
4.1/2
8 & 9
.165 & .148
-
-
-
102.8
4.047
111.6
4.393
A-101/2
A-101/3
A-101/3
A-101/5
A-101/6
 65 DM-30 1
4.1/2
10 - 12
.134 - .109
-
-
-
104.4
4.110
113.2
4.456
A-102/2
A-102/3
A-102/3
A-102/5
A-102/6
 66 DM-30 1



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