A- Tube Sheet Minimum
B- Tube Sheet Maximum

FOR TUBES INTERNAL DIAMETER
FROM 0.334" (8.4mm) TO 1.43" (36.3mm)
TUBE EXPANDERS
FITTED WITH
ROLLER LENGTH
FOR TUBE SHEET
ADJUSTABLE RANGE


MINIMUM
A
MAXIMUM
B
1-1/2" (38.1mm)

1/2    (12.7 mm)

1-1/2” (38.1 mm)

2-1/4" (57.1 mm)

1-1/4” (31.7mm)

2-1/4”  (57.1mm)

Tube
O.D.
In.
mm

Tube
Thickness

bwg.   in.   mm.

Tube
I.D.

in.      mm.

Minimum I.D.
Tool Enters

in.     mm.

Maximum
Expansion
of Tool
in.     mm.

Expander  with 1.1/2”
(38.10 mm) Long Rollers
Complete     Mandrel    Rollers
Tool No.          No.         Set No.

Expander  with 2.1/4”
(57.15 mm) Long Rollers
Complete     Mandrel    Rollers
Tool No.          No.         Set No.

SQ.
DR.

1/2

12.70

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

.334   (8.4)
.356   (9.0)
.370   (9.4)

.324   (8.2)
.348   (8.8)
.360   (9.1)

.374   (9.5)
.398  (10.1)
.410  (10.4)

R797
R799
R801

797
799
M-1

797
R-1
R-1

 in
3/8

mm
9.5

17   .058   (1.47)
18   .049   (1.24)
20   .035   (0.88)

.384   (9.7)
.402  (10.2)
.430  (10.9)

.374   (9.5)
.392   (9.9)
.406  (10.3)

.424  (10.7)
.447  (11.3)
.461  (11.7)

R803
R805
R805 S

M-1
M-2
M-3

R-2
R-3
R-3

5/8

 

15.88

12   .109   (2.76)
13   .095   (2.41)
14   .083   (2.10)

.407  (10.3)
.435  (11.0)
.459  (11.6)

.392   (9.9)
.425  (10.8)
.449  (11.4)

.447 (11.3)
.480  (12.1)
.509  (12.9)

R805
R807
R809

M-2
M-3
M-4

R-3
R-4
R-4

806
808
810

M-2
M-3
M-4

R-3-A
R-4-A
R-4-A

15   .072   (1.82)
16   .065   (1.65)
17   .058   (1.47)

.481  (12.2)
.495  (12.5)
.509  (12.9)

.471  (11.9)
.485  (12.3)
.499  (12.6)

.536  (13.6)
.550  (13.9)
.564  (14.3)

R811
R813
R815

M-5
M-5
M-6

R-5
R-6
R-6

812
814
816

M-5
M-5
M-6

R-5-A
R-6-A
R-6-A

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

.527  (13.3)
.541  (13.7)
.555  (14.1)

.517  (13.1)
.522  (13.2)
.536 (13.6)

.572  (14.5)
.582  (14.7)
.596 (15.1)

R817
R819
R819 S

M-7
M-6
M-8

R-7
R-7
R-7

818
820
820 S

M-7
M-6
M-8

R-7-A
R-7-A
R-7-A

21   .032   (0.81)
22   .028   (0.71)

.561  (14.2)
.569  (14.4)

.536  (13.6)
.536  (13.6)

.596  (15.1)
.596  (15.1)

R819 S
R819 S

M-8
M-8

R-7
R-7

820 S
820 S

M-8
M-8

R-7-A
R-7-A

  3/4

 

19.05

10   .134  (3.40)
11   .120   (3.04)
12   .109   (2.76)

.482  (12.2)
.510  (12.9)
.532  (13.5)

.471  (11.9)
.499  (12.6)
.522  (13.2)

.536  (13.6)
.564  (14.3)
.582  (14.7)

R811
R815
R819

M-5
M-6
M-6

R-5
R-6
R-7

812
816
820

M-5
M-6
M-6

R-5-A
R-6-A
R-7-A

13   .095  (2.41)
14   .083   (2.10)
15   .072   (1.82)

.560  (14.2)
.584  (14.8)
.606  (15.3)

.550  (13.9)
.574  (14.5)
.596  (15.1)

.615  (15.6)
.639  (16.2)
.661  (16.7)

R821
R823
R825

M-8
M-8
M-8

R-8
R-9
R-10

822
824
826

M-8
M-8
M-8

R-8-A
R-9-A
R-10-A

16   .065  (1.65)
17   .058   (1.47)
18   .049   (1.24)

.620  (15.7)
.634  (16.1)
.652  (16.5)

.605  (15.3)
.619  (15.7)
.619  (15.7)

.685  (17.4)
.699  (17.7)
.699  (17.7)

R827
R829
R829

M-9
M-9
M-9

R-10
R-11
R-11

828
830
830

M-9
M-9
M-9

R-10-A
R-11-A
R-11-A

19   .042  (1.06)
20   .035   (0.88)

.666  (16.9)
.680  (17.2)

.642  (16.3)
.642  (16.3)

.722  (18.3)
.722  (18.3)

R831
R831

M-9
M-9

R-12
R-12

832
832

M-9
M-9

R-12-A
R-12-A

21   .032  (0.81)
22   .028   (0.71)

.686  (17.4)
.694  (17.6)

.642  (16.3)
.642  (16.3)

.722  (18.3)
.722  (18.3)

R831
R831

M-9
M-9

R-12
R-12

832
832

M-9
M-9

R-12-A
R-12-A




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