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Pocket Guide to Flan..

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Table 1-14<br />

Alloy Steel Stud Bolts for ANSI 900-1b<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 />

3/4<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 />

4 314x4114 11/4<br />

4 3/4 x 4V2 11/4<br />

4 % x 5 17/lS<br />

4 % X 5 17/15<br />

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

8 % X 5314 17115<br />

8 I X 6114 1518<br />

8 7/8 X 6 17116<br />

8 11/8 X 7 113116<br />

8 11/4 X 73h 2<br />

12 11/8 X 73/4 113115<br />

12 13/e X 9 23/lS<br />

16 1318 X 91/2 23116<br />

20 1318 X 10114 23116<br />

20 11/2 x 11114 23/8<br />

20 1518 x 11314 28116<br />

20 1718 x 13112 215116<br />

20 2 x 141/4 31/8<br />

20 2112 x 17314 3718<br />

R-12<br />

R-14<br />

R-16<br />

R-18<br />

R-20<br />

R-24<br />

R-27<br />

R-31<br />

R-37<br />

R-41<br />

R-45<br />

R-49<br />

R-53<br />

R-57<br />

R-62<br />

R-66<br />

R-70<br />

R-74<br />

R-78<br />

35

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