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-1-
-2-
Nominal
IPS
Pipe OD
Pipe Size
Actual
Tolerance
In./DN(mm)
In./mm
+In./mm
2
2.375
+0.024
50
60.3
+0.61
2
⁄
2.875
+0.029
1
2
65
73.0
+0.74
3
3.500
+0.035
80
88.9
+0.89
3
⁄
4.000
+0.040
1
2
90
101.6
+1.02
4
4.500
+0.045
100
114.3
+1.14
5
5.563
+0.056
125
141.3
+1.42
6
6.625
+0.063
150
168.3
+1.60
8
8.625
+0.063
200
219.1
+1.60
10
10.750
+0.063
250
273.1
+1.60
12
12.750
+0.063
300
323.9
+1.60
Out of roundness: Difference between maximum O.D. and minimum O.D. measured at 90° must not exceed total O.D. tolerance listed (reference column 2).
For IPS pipe, the maximum allowable tolerance from square cut ends is 0.03" for 2" thru 3
measured from a true square line.
Beveled-End Pipe in conformance with ANSI B16.25 (37
COLUMN 1 - Nominal IPS Pipe size
COLUMN 2 - IPS outside diameter
COLUMN 3 - Gasket seat must be free from scores, seams, chips, rust or
scale which may interfere with proper sealing of the gasket.
Gasket seat width (Dimension A) is to be measured from the
pipe end to the vertical flank in the groove wall.
COLUMN 4 - Groove width (Dimension B) is to be measured between
vertical flank of the groove size walls.
20
1007/3007 RGM-7.09
SECTION X – GROOVE SPECIFICATIONS
GRUVLOK
ROLL GROOVE SPECIFICATIONS
®
G
S
ruvloK
tandard
S
for
teel
-3-
-4-
Gasket Seat
Groove Width
"A"
"B"
±0.030/ ±0.76
±0.030/ ±0.76
-In./mm
In./mm
In./mm
-0.024
0.625
0.344
-0.61
15.88
8.74
-0.029
0.625
0.344
-0.74
15.88
8.74
-0.031
0.625
0.344
-0.79
15.88
8.74
-0.031
0.625
0.344
-0.79
15.88
8.74
-0.031
0.625
0.344
-0.79
15.88
8.74
-0.031
0.625
0.344
-0.79
15.88
8.74
-0.031
0.625
0.344
-0.79
15.88
8.74
-0.031
0.750
0.469
-0.79
19.05
11.91
-0.031
0.750
0.469
-0.79
19.05
11.91
-0.031
0.750
0.469
-0.79
19.05
11.91
⁄
°) is acceptable, however square cut is preferred.
1
2
A
B
C
D
R
G
S
oll
roove
pecifications
& O
IPS S
P
ther
ize
ipe
-5-
Groove Diameter
"C"
Actual
Tol. +0.000
In./mm
-In./mm
2.250
-0.015
57.15
-0.38
2.720
-0.018
69.09
-0.46
3.344
-0.018
84.94
-0.46
3.834
-0.020
97.38
-0.51
4.334
-0.020
110.08
-0.51
5.395
-0.022
137.03
-0.56
6.455
-0.022
163.96
-0.56
8.441
-0.025
214.40
-0.64
10.562
-0.027
268.27
-0.69
12.531
-0.030
318.29
-0.76
⁄
"; 0.045" for 4" thru 6"; and 0.060" for sizes 8" and above
1
2
COLUMN 5 - The groove must be of uniform depth around the entire pipe
circumference. (See column 6).
COLUMN 6 - Groove depth: for reference only. Groove must conform to
the groove diameter "C" listed in column 5.
COLUMN 7 - Minimum allowable wall thickness which may be roll grooved.
COLUMN 8 - Maximum allowable pipe end flare diameter. Measured at the
most extreme pipe end diameter of the gasket seat area.
T
-6-
-7-
Groove Depth
Min. Allow.
"D"
Wall Thickness
(Ref. Only)
"T"
In./mm
In./mm
0.063
0.065
1.60
1.7
0.078
0.083
1.98
2.1
0.078
0.083
1.98
2.1
0.083
0.083
2.11
2.1
0.083
0.083
2.11
2.1
0.084
0.109
2.13
2.8
0.085
0.109
2.16
2.8
0.092
0.109
2.34
2.8
0.094
0.134
2.39
3.4
0.109
0.156
2.77
4.0
-8-
Max.
Flare
Diameter
In./mm
2.480
63.0
2.980
75.7
3.600
91.4
4.100
104.1
4.600
116.8
5.660
143.8
6.730
170.9
8.800
223.5
10.920
277.4
12.920
328.2
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