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We are offering Boiler Tube Expanders AF3 / AF1 Series 7/8"- 4 1/2" O.D.

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Features:
  • Best 'Value for Money' tool in the world when flaring of tube ends is needed.
  • Sturdy construction with rolls self contained in cage.
  • Time tested, durable design.
  • Overlapping flare rolls prevent ridging of tube.
  • Use - Economical tool used for applications where small number of tubes are to be expanded with 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 No. Mandrel Model No. Mandrel Sq Inch
7/8
15
.072
1
10
.134
18.1
.712
20.4
.803
AF3-31/2
AF3-31/3
-
-
-
 15-F1S DM-11 3/8
7/8
16
.065
-
-
-
18.4
.724
20.7
.814
AF3-32/2
AF3-32/3
-
-
-
 15-F1S DM-12 3/8
7/8
17
.058
1
11
.120
18.8
.740
21.1
.830
AF3-33/2
AF3-33/3
-
-
-
 16-F1S DM-12 3/8
7/8
18
.049
1
12
.109
19.4
.763
21.6
.850
AF3-34/2
AF3-34/3
-
-
-
 20-F1S DM-12 3/8
7/8
19 & 20
.042 & .035
1.1/8
8
.165
19.7
.775
22.3
.877
AF3-35/2
AF3-35/3
-
-
-
 17-F1S DM-13 3/8
1
13
.095
-
-
-
20.1
.791
22.4
.881
AF3-36/2
AF3-36/3
-
-
-
 18-F1S DM-12 3/8
1
14
.083
1.1/8
9
.148
20.6
.811
23.1
.909
AF3-37/2
AF3-37/3
AF3-37/4
-
-
 18-F1S DM-13 3/8
1
15 & 16
.072 & .065
1.1/8
10
.134
21.3
.838
23.8
.937
AF3-38/2
AF3-38/3
AF3-38/4
-
-
 19-F1S DM-13 3/8
1
17 & 18
.058 & .048
1.1/8
11
.120
22.0
.866
24.5
.964
AF3-39/2
AF3-39/3
AF3-39/4
-
-
 21-F1S DM-13 3/8
1
19 & 20
.042 & .035
1.1/8
12
.109
22.4
.881
25.0
.984
AF3-40/2
AF3-40/3
AF3-40/4
-
-
 21-F1S DM-14 3/8
1.1/4
8
.165
1.1/8
13
.095
23.3
.917
25.9
1.019
AF3-41/2
AF3-41/3
AF3-41/4
-
-
 22-F1S DM-14 3/8
1.1/4
9
.148
1.1/8
14
.083
23.8
.937
26.5
1.043
AF3-42/2
AF3-42/3
AF3-42/4
-
-
 23-F1S DM-15 1/2
1.1/4
10
.134
1.1/8
15 & 16
.072 & .065
24.4
.960
27.2
1.070
AF3-43/2
AF3-43/3
AF3-43/4
-
-
 24-F1S DM-15 1/2
1.1/4
11
.120
-
-
-
25.2
.992
28.0
1.102
AF3-44/2
AF3-44/3
AF3-44/4
-
-
 26-F1S DM-16 1/2
1.1/4
12
.109
-
-
-
25.7
1.011
28.5
1.122
AF3-45/2
AF3-45/3
AF3-45/4
-
-
 27-F1S DM-16 1/2
1.1/4
13
.095
1.3/8
8
.165
26.1
1.027
28.8
1.133
AF3-46/2
AF3-46/3
AF3-46/4
-
-
 31-F1S DM-16 1/2
1.1/4
14
.083
-
-
-
26.4
1.039
29.2
1.149
AF3-47/2
AF3-47/3
AF3-47/4
-
-
 28-F1S DM-17 1/2
1.1/4
15
.072
1.3/8
9
.148
26.9
1.059
29.7
1.169
AF3-48/2
AF3-48/3
AF3-48/4
-
-
 29-F1S DM-17 1/2
1.1/4
16
.065
1.3/8
10
.134
27.6
1.086
30.4
1.196
AF3-49/2
AF3-49/3
AF3-49/4
AF3-49/5
AF3-49/6
 30-F1S DM-17 1/2
1.1/2
7
.180
1.3/8
11
.120
28.3
1.114
31.2
1.228
AF3-50/2
AF3-50/3
AF3-50/4
AF3-50/5
AF3-50/6
 30-F1S DM-18 1/2
1.1/2
8
.165
1.3/8
12
.109
28.8
1.133
31.7
1.248
AF3-51/2
AF3-51/3
AF3-51/4
AF3-51/5
AF3-51/6
 32-F1S DM-18 1/2
1.1/2
9
.148
1.3/8
13 & 14
.095 & .083
29.5
1.161
33.4
1.314
AF3-52/2
AF3-52/3
AF3-52/4
AF3-52/5
AF3-52/6
 28-F1S DM-20 1/2
1.1/2
10
.134
1.3/8
15 & 16
.072 & .065
30.0
1.181
34.1
1.342
AF3-53/2
AF3-53/3
AF3-53/4
AF3-53/5
AF3-53/6
 29-F1S DM-20 1/2
1.1/2
11 & 12
.120 & .109
-
-
-
30.6
1.204
34.8
1.370
AF3-54/2
AF3-54/3
AF3-54/4
AF3-54/5
AF3-54/6
 30-F1S DM-20 1/2
1.1/2
13
.095
1.3/4
5
.220
31.4
1.236
35.6
1.401
AF3-55/2
AF3-55/3
AF3-55/4
AF3-55/5
AF3-55/6
 33-F1S DM-20 1/2
1.1/2
14 & 15
.083 & .072
1.3/4
6
.203
32.6
1.283
36.8
1.448
AF3-56/2
AF3-56/3
AF3-56/4
AF3-56/5
AF3-56/6
 34-F1S DM-21 1/2
-
-
-
1.3/4
7
.180
33.4
1.314
38.1
1.500
AF3-57/2
AF3-57/3
AF3-57/4
AF3-57/5
AF3-57/6
 36-F1S DM-21 1/2
-
-
-
1.3/4
8
.165
34.2
1.346
38.7
1.523
AF3-58/2
AF3-58/3
AF3-58/4
AF3-58/5
AF3-58/6
 37-F1S DM-21 1/2
2
3
.259
1.3/4
9 & 10
.148 & .134
35.0
1.377
40.6
1.598
AF3-59/2
AF3-59/3
AF3-59/4
AF3-59/5
AF3-59/6
 33-F1S DM-22 3/4
2
4
.238
1.3/4
11 & 12
.120 & .109
36.6
1.440
42.2
1.661
AF3-60/2
AF3-60/3
AF3-60/4
AF3-60/5
AF3-60/6
 37-F1S DM-22 3/4
2
5 & 6
.200 & .203
1.3/4
13 & 14
.095 & .083
38.2
1.503
43.8
1.712
AF3-61/2
AF3-61/3
AF3-61/4
AF3-61/5
AF3-61/6
 38-F1S DM-22 3/4
2
7& 8
.180 & .165
1.3/4
15 & 16
.072 & .065
39.8
1.566
45.4
1.787
AF3-62/2
AF3-62/3
AF3-62/4
AF3-62/5
AF3-62/6
 39-F1S DM-22 3/4
2
9 & 10
.148 & .134
2.1/4
3
.259
41.4
1.629
47.0
1.850
AF3-63/2
AF3-63/3
AF3-63/4
AF3-63/5
AF3-63/6
 40-F1S DM-22 3/4
2
11 - 13
.120 - .095
2.1/4
4
.238
42.9
1.688
49.5
1.948
AF3-64/2
AF3-64/3
AF3-64/4
AF3-64/5
AF3-64/6
 40-F1S DM-23 3/4
2
14 - 16
.083 - .065
2.1/4
6 & 7
.203 & .180
44.5
1.751
51.1
2.011
AF3-65/2
AF3-65/3
AF3-65/4
AF3-65/5
AF3-65/6
 41-F1S DM-23 3/4
2
17 & 18
.085 & .049
2.1/4
8 & 9
.165 & .148
46.1
1.814
52.7
2.074
AF3-66/2
AF3-66/3
AF3-66/4
AF3-66/5
AF3-66/6
 41-F1S DM-23 3/4

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