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Table 1-15<br />

Alloy Steel Stud Bolts for ANSI 1500-1b<br />

Ring Type Joint <strong>Flan</strong>ges, Each With<br />

Two Heavy Hex Nuts<br />

Nominal Number of Size & Length Wrench Oval Ring<br />

Pipe Bolts of Size for Gasket<br />

Size (in.) Required Stud Bolts (in.) Nuts (in.) R-Number<br />

1/2<br />

%<br />

1<br />

11/4<br />

11/2<br />

2<br />

21/2<br />

3<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 />

36<br />

4 3/, x 41/4 11/,<br />

4 %x41h 11/4<br />

4 % x 5 17/le<br />

4 7/8 x 5 17/16<br />

4 1 x 51/2 1%<br />

8 % x 53/4 17he<br />

8 1 x61/, 1%<br />

8 11/e x 7 113he<br />

8 11/4 x 73/4 2<br />

8 1~/2 x 9s/4 2%<br />

12 13/8 x 101/2 23he<br />

12 15/8 x 12 2~<br />

12 17/8 x 133/4 21shs<br />

16 2 x 151/, 31/a<br />

16 21/4 x 17 31/2<br />

16 2Y2 x 18Y2 3%<br />

16 2% x 201/2 41/4<br />

16 3 x 22112 4%<br />

16 31/2 x 25% 5%<br />

R-12<br />

R-14<br />

R-16<br />

R-18<br />

R-20<br />

R-24<br />

R-27<br />

R-35<br />

R-39<br />

R-44<br />

R-46<br />

R-50<br />

R-54<br />

R-58<br />

R-63<br />

R-67<br />

R-71<br />

R-75<br />

R-79

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