A- Tube Sheet Minimum
B- Tube Sheet Maximum

FOR TUBES INTERNAL DIAMETER
FROM 0.152" (3.8mm) TO .331" (8.4mm)
TUBE EXPANDERS
FITTED WITH
ROLLER LENGTH
FOR TUBE SHEET
ADJUSTABLE RANGE


MINIMUM
A
MAXIMUM
B
1" (25.4mm)

1/4"    (6.35 mm)

1” (25.4 mm)

Tube
O.D.
in
mm

Tube
Thickness

bwb.   in   mm.

Tube
I.D.

in      mm.

Minimum I.D.
Tool Enters

in      mm.

Maximum I.D.
Expansion of Tool

in        mm.

Expander  with
1” (25.4 mm) Long Rollers
Complete    Mandrel   Rollers Set
Tool No.           No.              No.

Mandrel
Square
Drive

1/4

6.35

18    .049  (1.24)
19   .042   (1.06)
20   .035   (0.88)

.152   (3.8)
.166   (4.2)
.180   (4.5)

.148   (3.7)
.160   (4.0)
.175   (4.4)

.167    (4.2)
.180    (4.5)
.196    (4.9)

RA-25018
RA-25019
RA-25020

M-21819
M-21819
M-22021

R-20018
R-21920
R-21920

in
1/4

 

mm
6.3

21   .032   (0.81)
22   .028   (0.71)
23   0.25   (0.63)

.186   (4.7)
.194   (4.9)
.200   (5.0)

.180   (4.5)
.190   (4.8)
.195   (4.9)

.202   (5.1)
.213   (5.4)
.216   (5.5)

RA-25021
RA-25022
RA-25023

M-22021
M-20022
M-22324

R-22124
R-22124
R-21920

24   0.22   (0.55)
28   .014   (0.35)

.206   (5.2)
.222   (5.6)

.201   (5.1)
.217   (5.4)

.224   (5.7)
.243   (6.1)

RA-25024
RA-25028

M-22324
M-22830

R-22124
R-22830

29   .013   (0.33)
30   .012   (0.30)

.224   (5.7)
.226   (5.7)

.217   (5.4)
.217   (5.4)

.243   (6.1)
.243   (6.1)

RA-25028
RA-25028

M-22830
M-22830

R-22830
R-22830

3/8

9.53

14   .083   (2.10)
15   .072   (1.82)
16   .065   (1.65)

.209   (5.3)
.231   (5.8)
.245   (6.2)

.204   (5.1)
.225   (5.6)
.238   (6.0)

.230   (5.8)
.265   (6.6)
.278   (7.0)

RA-37514
RA-37515
RA-37516

M-22830
M-22830
M-31617

R-21920
R-31516
R-31516

17   .058   (1.47)
18   .049   (1.24)
19   .042   (1.06)

.259   (6.5)
.277   (7.0)
.291   (7.3)

.253   (6.4)
.270   (6.8)
.285   (7.1)

.293   (7.4)
.310   (7.8)
.325   (8.1)

RA-37517
RA-37518
RA-37519

M-31617
M-30018
M-30019

R-31720
R-31720
R-31720

20   .035   (0.88)
21   .032   (0.81)
22   .028   (0.71)

.305   (7.7)
.311   (7.9)
.319   (8.1)

.295   (7.4)
.305   (7.5)
.312   (7.9)

.335   (8.4)
.345   (8.6)
.353   (8.9)

RA-37520
RA-37521
RA-37522

M-32021
M-32021
M-32224

R-31720
R-32122
R-32122

23   .025   (0.63)
24   .022   (0.55)

.325   (8.2)
.331   (8.4)

.318   (8.1)
.318   (8.1)

.363   (9.2)
.363   (9.2)

RA-37523
RA-37523

M-32224
M-32224

R-32324
R-32324




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