Thomas C. Wilson Tube Tools
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Condenser Tube Expanders

SERIES 72-C, 73-C

4 and 5 Roll Condenser Expanders —
1/2 to 1-1/2 Inch Outer Diameter — (1-1/2 Inch (38.1mm) Roll Length C)

These expanders are used on
light Gauge tubes of stainless
steel, titanium, and materials of similar hardness.

5-Rolls with light wall tubes can prevent triangulation of the tube to the tube hole. Wilson Thin Guage collars also offer a large advantage for projection of tube.

All assemblies come complete with mandrels, rolls, cage, and collars with a 1/16-Inch standard recess.

A = 1/2 (12.7mm) to 1 1/2-Inch (38.1mm) Tube Outer Diameter

B = 13 (2.4mm) to 25 (.5mm) Gauge

C = 72-C - 1/2 (12.7mm) to 1 1/2-Inch (38.1mm) Tubesheet
       73-C - 3/4 (19.1mm) to 5 1/2-Inch (139.7mm) Tubesheet

   
Tube Range 72-C Expander 1/2-1 1/2-Inch Reach 73-C Expander 3/4-5 1/2-Inch Reach 1 1/2-Inch (38.1) Roll Length
Roll Set
OD Wall Assembly Mandrel  Cage Assembly Mandrel  Cage
Inches (mm) GA Inches (mm) Part No. Part No. Part No. Part No. Part No. Part No.
1/2 (12.7) 18-19 .387-.449 (9.8-11.4) 41552 41879 41511 - - - 33361-4
20-25 .425-.480 (10.5-12.2) 41553 41880 41512 - - -
5/8 (15.9) 18-19 .515-.570 (13.1-14.5) 41554 41881 41513 41936 42064 42000 33362-4
20-25 .537-.596 (13.6-15.1) 41555 41514 41937 42001 33375-4
3/4 (19.1) 13-14 .537-.596 (13.6-15.1) 41556 42331
16-17 .605-.676 (15.2-17.2) 41557 41882 41515 41938 42066 42002 33363-5
18-19 .635-.715 (16.1-18.2) 41558 41833 41516 41939 42067 42003
20-25 .665-.750 (16.9-19.1) 41559 41884 41517 41940 42004 33364-5
7/8 (22.2) 16-17 .717-.795 (18.2-20.2) 41560 41518 41941 42005 33365-5
18-19 .758-.859 (19.3-21.9) 41561 41885 41519 41942 42069 42006
20-25 .790-.885 (20.1-22.5) 41562 41520 41943 42007 33366-5
1 (25.4) 13-15 .790-.885 (20.1-22.5) 41563 42332
16-17 .850-.922 (21.6-23.4) 41564 41886 41521 41944 42070 42008
18-19 .885-.950 (22.5-24.1) 41565 41887 41522 41945 42071 42009
20-25 .915-1.015 (23.2-25.8) 41566 41888 41523 42303 42307 33367-5
1 1/8 (28.6) 18-19 1.010-1.075 (25.7-27.3) 41567 41524 41946 42010 33369-5
20-25 1.040-1.125 (26.4-28.6) 41568 41889 41528 41947 42072 42011
1 1/4 (31.8) 18-19 1.135-1.200 (28.8-30.5) 41569 41890 41530 41948 42012 33370-5
20-25 1.165-1.250 (29.6-31.8) 41570 41891 41532 41949 42073 42013
1 1/2 (38.1) 18-19 1.385-1.450 (35.2-36.8) 41571 41892 41533 41950 42074 42014 33372-5
20-25 1.415-1.500 (35.9-38.1) 41572 42297 41534 41951 42075 42015



Thin Gauge collar

Thin Gauge collar assembly is supplied on all 5-Roll, Series 72 and 73, 20-23 Gauge Expanders. Recess adjustable by use of space washers. Unique design maintains tube end contact throughout expansion.