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VH2, VH3, VH4, VH5, VH6, VH7, VH8 ANSI 150 CLASS HIGH PERFORMANCE BUTTERFLY VALVES
90°
Fig. 11.
Valve Size
Thread
(inches)
Size
2
5/8-11
2.5
5/8-11
3
5/8-11
4
5/8-11
5
3/4-10
6
3/4-10
8
3/4-10
10
7/8-9
12
7/8-9
14
1-8
16
1-8
18
1-1/8-8
1-1/8-8
20
1-1/8-8
24
1-1/4-8
31-00191EF—02
90°
Table 11. Flange Bolting Recommendations.
Studs and Nuts
C
Length
QTY
(inches)
QTY
4
2.5
4
2.75
4
3.25
8
3
8
3
8
3.5
8
3.75
12
4.25
12
12
4.75
12
12
5
12
16
5.5
16
16
5.75
16
16
6.75
16
4
5.5
20
7.25
20
1
3
4
2
1
5
3
8
4
7
12
6
2
8
4
10
Fig. 12. Bolting Sequence.
D
Length
F
(inches)
QTY
4
2.5
4
4
2.75
4
4
2.5
4
8
2.75
8
8
3
8
8
3
8
8
3.25
8
3.5
12
3.5
12
4
12
4.25
16
4.75
16
4.75
16
4
4.75
4
5.75
20
20
1
13
15
1
5
9
8
3
12
4
7
10
11
6
2
6
14
2
Machine Bolts
Length
G
(inches)
QTY
1.63
4
1.85
4
2.25
4
2.12
8
2
8
2.5
8
2.7
8
3
12
3.45
12
3.75
12
4.12
16
4.38
16
5.12
16
4.12
4
5.63
20
5
9
3
11
7
16
Length
(inches)
1.63
1.85
1.63
1.88
2
1.88
2.13
2.25
2.35
2.7
2.75
3.25
3.25
3.25
4.25
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