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We are offering Condenser Tube Expansion 1300 Series 3/8" O.D.
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For Tubes Internal Diameter 
FROM (5.8MM).231" TO (8.4 MM).331"
TUBE EXPANDER FITTED WITH ROLLER LENGTH
FOR TUBE SHEET ADJUSTABLE RANGE
MINIMUM A
MAXIMUM B
(19.05 mm )3/4" (19.05 mm )3/4" (19.05 mm )3/4"
(31.75mm)1.1/4" (31.75mm)1.1/4" (88.90mm)3.1/2"

Use : Oil Coolers, radiators and other apparatus with diameter tubes and thick tube sheets.



Tube O.D. (mm) inch Tube 
Thickness
Tube
I.D.
Minimum I.D.
Tool Enters
Maximum
Expansion of Tool
EXPANDER with (19.05 mm)
3/4" Long Rollers
EXPANDER with (31.75 mm) 1.1/4" Long Rollers
Complete Tool No. Mandrel No. Rollers Set. No. Complete Tool No. Mandrel No. Rollers Set. No
bwg mm inch mm inch mm inch mm inch

 

(9.53)

3/8"

18 1.24 .049 7.0 .277 6.9 .272 7.8 .307 201 M-80 103 202 M-80 104
19 1.06 .042 7.3 .291 7.2 .286 8.1 .320 203 M-81 103 204 M-81 104
20 0.88 .035 7.7 .305 7.6 .300 8.4 .334 205 M-82 107 206 M-82 108
21 0.81 .032 7.9 .311 7.7 .306 8.6 .340 207 M-83 107 208 M-83 108
22 0.71 .028 8.1 .319 7.9 .314 8.8 .349 209 M-84 109 210 M-84 110
23 0.63 .025 8.2 .325 8.1 .320 9.0 .357 211 M-84 111 212 M-84 112
24 0.55 .022 8.4 .331 8.1 .320 9.0 .357 211 M-84 111 212 M-84 112

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Note : All '200' series expanders come with 1/4" & 3/8" square mandrel drives. Round mandrel drives are optional.