20
Copper Roll Groove Specifications Figure 1
Standard Roll Groove for U.S. Standard Copper Tubing
Nominal Size
Pipe O.D.
Gasket Seat
A +/.03
Groove Width
B +/.03
Groove Dia.
C +/.03
Groove Depth
d
Min. Allow Wall Thickness
t
Max. Allowed
Flare Dia.
2
2.125
0.610
0.300
2.029
0.048
0.064
2.220
2.5
2.625
0.610
0.300
2.525
0.050
0.065
2.720
3
3.125
0.610
0.300
3.025
0.050
DWV
3.220
4
4.125
0.610
0.300
4.019
0.053
DWV
4.220
5
5.125
0.610
0.300
4.999
0.053
DWV
5.220
6
6.125
0.610
0.300
5.999
0.063
DWV
6.220
8
8.125
0.610
0.300
7.959
0.083
DWV
8.220