Column 2 - The nominal outside diameter of grooved pipe shall not vary more than the tolerances listed. Maximum allow tolerance from square cut
" - 3
";.045" for sizes 4".
ends is .030" for sizes
3
/
1
/
4
2
Column 3 - Minimum steel pipe wall thickness is the normal minimum wall thickness which may be cut grooved.
Column 4 - Gasket seat: The pipe shall be free from indentations, projections or roll marks from end of pipe to groove to provide a leak tight seat for
the gasket.
Column 5 - Groove width.
Column 6 - Groove outside diameter: Groove must be of uniform depth for the entire pipe circumference. The "C" diameter must be maintained.
Column 7 - Trial groove depth: Groove depth dimension is for reference only. Groove must conform to "C" diameter shown.
Pipe
OD
Figure 24 – Standard Square Cut Groove Specifications
See Table I
T
MIN.
GASKET
WALL
SEAT
TOL.
THK.
+.015 – .030
+.010
.113
.625
–.010
+.013
.133
.625
–.013
+.016
.140
.625
–.016
+.019
.145
.625
–.019
+.024
.154
.625
–.024
+.029
.187
.625
–.029
+.035
.188
.625
–.031
+.040
.188
.625
–.031
+.045
.203
.625
–.031
A
B
T
C
D
Ridge Tool Company
A
B
GROOVE
WIDTH
+ .030 – .015
.312
.312
.312
.312
.312
.312
.312
.312
.375
Beveling Pipe with No. 714/914
Die Head
When using beveling dies with No. 714/914 Die head