Anvil GRUVLOK 1007 Manual page 21

GROOVE SPECIFICATION - CTS COPPER SYSTEM
-1- -2-
Tubing Outside Diameter
Nominal
Size
Actual Tolerance
In. In./mm + In./mm
2.125 0.002
2
54.0 0.05
2.625 0.002
⁄
1
2
2
66.7 0.05
3.125 0.002
3
79.4 0.05
4.125 0.002
4
104.8 0.05
5.125 0.002
5
130.2 0.05
6.125 0.002
6
155.6 0.05
8.125 0.002
8
206.4 0.05
COLUMN 1 - Nominal tubing size ASTM B88
COLUMN 2 - Outside diameter of copper tubing per
ASTM B88. Allowable tolerance from
square cut ends is 0.030"/0.76mm
for sizes 2"-3"; 0.045"/1.14mm for
sizes 4-8"
COLUMN 3 - Gasket seat must be free from scores,
roll marks, indentations, grease and
dirt which may interfere with gasket
sealing.
GRUVLOK CTS COPPER SYSTEM – ROLL GROOVE SPECIFICATIONS
-3-
Gasket Seat "A" Groove Width "B"
+/– 0.03 in. +0.03/–0.00 in.
+/– 0.76mm +0.76/–0.00mm
– In./mm In./mm
0.002 0.610
0.05 15.5
0.002 0.610
0.05 15.5
0.002 0.610
0.05 15.5
0.002 0.610
0.05 15.5
0.002 0.610
0.05 15.5
0.002 0.610
0.05 15.5
0.004 0.610
0.10 15.5
COLUMN 4 - Groove width is to be free from chips,
dirt, etc. which may interfere with
proper coupling assembly.
COLUMN 5 - Groove diameter must be of uniform
depth for the entire circumference of
the tubing. (See column 6).
COLUMN 6 - Groove depth is for reference only;
the groove diameter must conform
to column 5.
BUILDING CONNECTIONS THAT LAST
A
T
B
C
D
-4- -5-
Groove Diameter "C"
Tolerance
Actual
+0.000
In./mm In./mm – In./mm
0.300 2.029 -0.020
7.6 51.54 -0.51
0.300 2.525 -0.020
7.6 64.14 -0.51
0.300 3.025 -0.020
7.6 76.84 -0.51
0.300 4.019 -0.020
7.6 102.08 -0.51
0.300 4.999 -0.020
7.6 126.97 -0.51
0.300 5.999 -0.020
7.6 152.37 -0.51
0.300 7.959 -0.020
7.6 202.16 -0.51
COLUMN 7 - DWV (Drain, Waste and Vent Piping)
COLUMN 8 - Maximum flare diameter is the OD at
-6- -7- -8-
Min. Max.
Nominal Groove
Wall Flare
Depth "D"
"T" Diam.
In./mm In./mm In./mm
0.048 0.058 2.220
1.2 1.6 56.4
0.050 0.065 2.720
1.3 1.7 69.1
0.050 3.220
DWV
1.3 81.8
0.053 4.220
DWV
1.3 107.2
0.053 5.220
DWV
1.3 132.6
0.063 6.220
DWV
1.6 158.0
0.083 8.220
DWV
2.1 208.8
per ASTM B306.
the most extreme tubing diameter.
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