User Guide

14 © Copyright 2008 TAC All Rights Reserved. F-27197-4
Figure-11 Flange Dimensions
A
C
D
B
E
Table-8 Flange Detail for American Standard 125 psi Cast Iron Pipe Flanges (Figure-11)
Nominal Pipe
Size
Flanges Drilling Bolting
Length of
Machine Bolts
E
Flange
Diameter
A
Flange
Thickness
B
Diameter of
Bolt Circle
C
Diameter of
Bolt Holes
D
Number of
Bolts
Diameter of
Bolts
2-1/2” 7” 11/16” 5-1/2”
3/4”
4
5/8”
2-1/2”
3” 7-1/2” 3/4” 6”
4” 9”
15/16”
7-1/2”
8
3"
5" 10" 8-1/2"
7/8" 3/4"
6" 11" 1" 9-1/2" 3-1/4"