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API 603;
ANSI B 16.34:

Misc. Standards:
API 600
API 602
ANSI B 16.34
(Press. Chart)
ASTM A351-CF8M
ASME B16.5:
Class 150 Flanges
Class 300 Flanges
Class 600 Flanges
Glossary of Terms:
Valve Types
Parts & Terms
Materials

Standards:
ANSI, API, & ASTM

Common Abbreviations

 

Valve Wall Thickness:
The following charts are intended as an aid in your understanding of Valve products and their components.
Download .PDF file

 

API 603; ANSI B 16.34
 
   LIGHT WALL
150# Valve Class
Nominal
Size
Ratings
in Inches
1/2
0.11
3/4
0.12
1
0.16
1-1/4
0.19
1-1/2
0.19
2
0.22
2-1/2
0.22
3
0.22
4
0.25
5
0.28
6
0.28
8
0.31
10
0.34
12
0.38
14
0.41
16
0.44
18
0.47
20
0.50
24
0.57
 
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