ROLL GROOVE SPECIFICATIONS
DRAWN COPPER TUBING
GROOVED WITH COPPER ROLLS
1
2
3
4
5
6
7
8
Nom.
Size
In.
mm
Act. O.D. – Inches/mm
Dimensions – Inches/millimeters
Basic
Tolerance
Gasket
Seat
“A”
±0.03
±0.76
Groove
Width
“B”
+0.03/-0.00
+0.76/-0.00
Groove
Dia.
“C”
+0.00
+0.00
Groove
Depth
(ref.)
“D”
Min.
Allow.
Wall Thick.
“T”
Max.
Allow.
Flare
Dia.
2
2.125
±0.002
0.610
0.300
2.029
0.048
0.064
2.220
50
54.0
±0.05
15.5
7.6
51.5
1.2
1.6
56.4
21/2
2.625
±0.002
0.610
0.300
2.525
0.050
0.065
2.720
65
66.7
±0.05
15.5
7.6
64.1
1.2
1.7
69.1
3
3.125
±0.002
0.610
0.300
3.025
0.050
DWV
3.220
80
79.4
±0.05
15.5
7.6
76.8
1.2
81.8
4
4.125
±0.002
0.610
0.300
4.019
0.053
DWV
4.220
100
104.8
±0.05
15.5
7.6
102.1
1.4
107.2
5
5.125
±0.002
0.610
0.300
4.999
0.053
DWV
5.220
125
130.2
±0.05
15.5
7.6
127.0
1.4
132.6
6
6.125
±0.002
0.610
0.300
5.999
0.063
DWV
6.220
150
155.6
±0.05
15.5
7.6
152.3
1.6
158.0
8
8.125
*
0.610
0.300
7.959
0.083
DWV
8.220
200
206.4
*
15.5
7.6
202.2
2.1
208.8
*Tolerances for 8” (200 mm) are + 0 .002 (0 .5 mm) –0 .004 (– .10 mm) .
COLUMN 1:
Nominal ASTM B-88 drawn copper tubing size as indicated in the chart heading .
COLUMN 2: Outside diameter:
The outside diameter of roll grooved tubing shall not vary more than the tolerance listed . The
maximum allowable tolerance from square cut ends is 0 .030” (0 .8 mm) for 2 - 3” (50 - 80 mm); 0 .045” (1 .1 mm) for 4 - 6” (100 -
150 mm), measured from true square line .
COLUMN 3: Gasket seat:
The tubing surface shall be free from indentations, roll marks, and projections from the end of the tubing
to the groove, to provide a leak-tight seat for the gasket . All loose scales, dirt, chips and grease must be removed .
COLUMN 4: Groove width:
Bottom of groove to be free of loose dirt, chips and scale that may interfere with proper coupling
assembly .
COLUMN 5: Groove outside diameter:
The groove must be uniform depth for the entire tubing circumference . Groove must be
maintained within the “C” diameter tolerance listed .
COLUMN 6: Groove depth:
For reference only . Groove must conform to the groove diameter “C” listed .
COLUMN 7:
ASTM B-306 drain waste and vent (DWV) is minimum wall thickness copper tubing which may be roll grooved .
COLUMN 8: Maximum allowable end flare diameter:
Measured at the most extreme tubing end diameter .
A
B
D
B
T
C
OD
F
TM-VE416FS/FSD_34
TM-VE416FS/FSD
OPERATING AND MAINTENANCE INSTRUCTIONS MANUAL
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