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ASME B 16.5:
Class 600 Steel Flanges

ASME B16.5:
Class 150 Flanges
Class 300 Flanges
Glossary of Terms:
Valve Types
Parts & Terms
Materials

Standards:
ANSI, API, & ASTM

Common Abbreviations
Misc. Standards:
API 600

API 602
API 603
ANSI B 16.34
ASTM A351-CF8M

 

Pipe Flange Dimensions:

ASME B16.5 - 1996
Class 600 Steel Pipe Flange Dimensions: Raised Face
Nominal
Size
A
Outside
O.D.
B
Dia. of
Bolt
Circle
C
Dia. of
Raised
Face
D
Thickness
of
Flange
E
Dia. of
Bolt
Holes

Bolt
Holes

# Dia.
2
6.50
5.00
3.62
1.00
0.75
8
5/8
2.1/2
7.50
5.88
4.12
1.12
0.88
8
3/4
3
8.25
6.62
5.00
1.25
0.88
8
3/4
4
10.75
8.50
6.19
1.50
1.00
8
7/8
5
13.00
10.50
7.31
1.75
1.12
8
1
6
14.00
11.50
8.50
1.88
1.12
12
1
8
16.50
13.75
10.62
2.19
1.25
12
1-1/8
10
20.00
17.00
12.75
2.50
1.38
16
1-1/4
12
22.00
19.25
15.00
2.62
1.38
20
1-1/4
14
23.75
20.75
16.25
2.75
1.50
20
1-3/8
16
27.00
23.75
18.50
3.00
1.62
20
1-1/2
18
29.25
25.75
21.00
3.25
1.75
20
1-5/8
20
32.00
28.50
23.00
3.50
1.75
24
1-5/8
24
37.00
33.00
27.25
4.00
2.00
24
1-7/8

Height of raised face is 1/4".

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