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Table 1-12<br />
Alloy Steel Stud Bolts for ANSI 400-1b<br />
Ring Type Joint <strong>Flan</strong>ges, Each With Two<br />
Heavy Hex Nuts<br />
Nominal Number of Size & Length Wrench Oval Ring<br />
PIN Bolts of Size for Gasket<br />
Size (in,) Required Stud Bolts (in.) Nuts (in.) R-Number<br />
lh<br />
%<br />
1<br />
11/4<br />
11/2<br />
2<br />
21/2<br />
3<br />
31/2<br />
4<br />
5<br />
6<br />
8<br />
10<br />
12<br />
14<br />
16<br />
18<br />
20<br />
24<br />
In agreement with ANSI B. 16.5<br />
4 lhx3 7/a<br />
4 5/8 x 31/2 1 Vie<br />
4 5/8 x 33/4 1V16<br />
4 5/8 x 4 lVls<br />
4 %x41h 1114<br />
8 5/8 x 41/2 11/le<br />
8 314X5 1114<br />
8 314 X 5114 1114<br />
8 718 X 5314 17/16<br />
8 7/a X 53/4 17116<br />
8 718 x 6 17115<br />
12 718 x 6114 17118<br />
12 I x 7 1518<br />
16 11/8 x 73/4 113118<br />
16 1114 X 8114 2<br />
20 11/4 x 81/2 2<br />
20 1% x 9 2-~/16<br />
24 1% x 91/4 23hs<br />
24 11/2 x 10 2%<br />
24 1% x 111/4 2%<br />
R-11<br />
R-13<br />
R-16<br />
R-18<br />
R-20<br />
R-23<br />
R-26<br />
R-31<br />
R-34<br />
R-37<br />
R-41<br />
R-45<br />
R-49<br />
R-53<br />
R-57<br />
R-61<br />
R-65<br />
R-69<br />
R-73<br />
R-77<br />
33
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