Cameron WKM - Bolt and Stud Lengths for Installation (ASME B16.5)

TOV
Installation, Operation and Maintenance Manual 9 WKM-TOV-IOM
Recommended bolt and stud lengths for installation in ASME B16.5 flanges are provided in the Table 2.
Valve
Bolt Circle
Dia. (in)
Bolt Size
Lug Body
Size
Class
Qty.
Stud length
"A" (in.)
Cap screw length
"B" (in.)
3''
150
6.00
5/8-11 UNC
8
2.70
1.95
300
6.63
3/4-10 UNC
16
3.01
2.13
4''
150
7.50
5/8-11 UNC
16
2.85
2.11
300
7.88
3/4-10 UNC
16
3.29
2.42
600
8.50
7/8-9 UNC
16
4.20
3.20
6''
150
9.50
3/4-10 UNC
16
3.04
2.17
300
10.63
3/4-10 UNC
24
3.56
2.68
600
11.50
1.000-8 UNC
20
4.98
3.85
4
4.10
3.23
8''
150
11.75
3/4-10 UNC
16
3.32
2.45
300
13.00
7/8-9 UNC
24
3.83
2.83
600
13.75
1 1/8-8 UN
20
5.89
4.64
4
4.91
3.65
10''
150
14.25
7/8-9 UNC
24
3.67
2.67
300
15.25
1.000-8 UNC
24
4.41
3.28
8
3.91
2.78
600
17.00
1 1/4-8 UN
24
6.44
5.07
8
5.38
4.01
12''
150
17.00
7/8-9 UNC
24
3.73
2.73
300
17.75
1 1/8-8 UN
28
4.86
3.60
4
4.27
3.01
600
19.25
1 1/4-8 UN
32
6.64
5.27
8
5.51
4.14
14"
150
18.75
1-8 UNC
24
4.22
3.09
300
20.25
1 1/8-8 UN
32
5.26
4.00
8
3.25
3.13
600
20.75
1 3/8-8 UN
32
6.97
5.48
8
4.49
4.37
Note:
For blind threaded holes
stud and nut is preferable
Table 2