A11 Valve
5
Table 4. Stud Bolt and Cap Screw Data for Wafer Style Valves
Class 150 & Class 150/150
VALVE SIZE, INCHES
30
36
42
48
Number of Stud Bolts
24
28
32
40
Number of Cap Screws
8
8
8
8
Size-Diameter Inch Thread
1-1/4 8
1-1/2 8
1-1/2 8
1-1/2 8
A-Length of Stud Bolts, Inch
15-1/2
18
20-3/4
22-3/4
B-Length of Cap Screw, Inch
4-1/2
5-1/4
6
6-1/2
Class 300
VALVE SIZE, INCHES
30
36
42
48
Number of Stud Bolts
24
28
28
28
Number of Cap Screws
8
8
8
8
Size-Diameter Inch Thread
1-3/4 8
2 8
1-5/8 8
1-7/8 8
A-Length of Stud Bolts, Inch
21-1/2
24-1/4
26
32
B-Length of Cap Screw, Inch
5-3/4
6-1/2
7-1/4
8
Class 600
VALVE SIZE, INCHES
3
4
6
8
10
12
Number of Stud Bolts
8
8
12
12
12
16
Number of Cap Screws
8
8
Size-Diameter Inch Thread
3/4 10
7/8 9
1 8
1-1/8 8
1-1/4 8
1-1/4 8
A-Length of Stud Bolts, Inch
7-1/4
8-1/2
10
11-1/2
13-1/2
14-3/4
B-Length of Cap Screw, Inch
4-1/4
4-1/2
VALVE SIZE, INCHES
14
16
18
20
24
Number of Stud Bolts
15
16
16
20
20
Number of Cap Screws
8
8
8
8
8
Size-Diameter Inch Thread
1-3/8 8
1-1/2 8
1-5/8 8
1-5/8 8
1-7/8 8
A-Length of Stud Bolts, Inch
16
17-1/2
19
20-3/4
22-1/4
B-Length of Cap Screw, Inch
4-1/2
5
5-1/2
5-3/4
6-1/4
Table 5. Stud Bolt and Cap Screw Data for Single Flange Style Valves
Class 150 & Class 150/150
VALVE SIZE, INCHES
30
36
42
48
Number of Cap Screws
56
64
72
88
Size-Diameter Inch Thread
1-1/4 8
1-1/2 8
1-1/2 8
1-1/2 8
B-Length of Cap Screw, Inch
4-1/2
5-1/4
6-1/4
6-1/2
Class 300
VALVE SIZE, INCHES
30
36
42
48
Number of Cap Screws
56
64
64
64
Size-Diameter Inch Thread
1-3/4 8
2 8
1-5/8 8
1-7/8 8
B-Length of Cap Screw, Inch
5-3/4
6-1/2
6
8-1/4
Class 600
VALVE SIZE, INCHES
3
4
6
8
10
12
Number of Cap Screws
16
16
24
24
32
40
Size-Diameter Inch Thread
3/4 10
7/8 9
1 8
1-1/8 8
1-1/4 8
1-1/4 8
B-Length of Cap Screw, Inch
2-1/2
3
3-1/2
4
4-1/4
4-1/2
VALVE SIZE, INCHES
14
16
18
20
24
Number of Cap Screws
40
40
40
48
48
Size-Diameter Inch Thread
1-3/8 8
1-1/2 8
1-5/8 8
1-5/8 8
1-7/8 8
B-Length of Cap Screw, Inch
4-1/2
5
5-1/2
5-3/4
6-1/4