2005 Swagelok Company, all rights reserved
September 2005
E-1
Appendix E
Arc Gap Gage Setting Tables
Wall Thickness and Arc Gap
Material Thickness (mm)
Arc Gap
in.
mm
in.
mm
0.010 to 0.020
0,25 to 0,51
0.020
0,51
0.021 to 0.030
0,52 to 0,76
0.025
0,64
0.031 to 0.045
0,77 to 1,14
0.030
0,76
0.046 to 0.055
1,15 to 1,40
0.035
0,89
0.056 to 0.064
1,41 to 1,63
0.040
1,02
0.065 to 0.082
1,64 to 2,28
0.045
1,14
0.083 to 0.154
2,29 to 4,00
0.050
1,39
Caution!
Check recommended weld
arc gap ranges for each
weld head. Refer to the
following tables.
Note:
When welding ATW fittings
and weld rings, be sure to add the
cuff thickness to the wall thickness
(see Table 5-3 on page 5-4).