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Common
Abbreviations:
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Organizations
/ Societies
|
 |
|
ANSI
|
American
National Standards Institute |
API
|
American
Petroleum Institute |
|
ASME
|
American
Society of Mechanical Engineers |
ASTM
|
American
Society for Testing Materials |
|
BS
|
British
Standards |
DIN
|
Deutsche
Industrie - Normen |
|
BVQI
|
Bureau
Veritas Quality International |
ISO
|
International
Standards Organization |
| Valve
Materials |
|
Br
|
Bronze |
A.I.
|
All
Iron |
|
C.I.
|
Cast
Iron |
M.I.
|
Malleable
Iron |
|
N.I.
|
Nickel
Iron |
D.I.
|
Ductile
Iron |
|
C.S.
|
Cast
Steel/Carbon Steel |
F.S.
|
Forged
Steel |
|
S.S.
|
Stainless
Steel |
PVC
|
Polyvinyl
Chloride |
|
N
|
Nickel |
M
|
Monel
Metal |
|
Mo
|
Molybdenum |
Al
|
Aluminum |
|
Cr
|
Chromium |
Tef
|
Teflon |
|
13%
Cr
|
Type
410 Stainless Steel |
HF
|
Hard
Face |
| Operating
Mechanisms |
|
O.S.
& Y
|
Outside
Screw & Yoke |
N.R.S.
|
Non
Rising Stem |
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R.S.
|
Rising
Stem |
.
|
. |
| End
Connections |
|
F.E.
|
Flanged
Ends |
S.E.
|
Screwed
Ends |
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F.F.D.
|
Flanged,
Faced & Drilled |
B.W.
|
Butt
Welding Ends |
|
S.W.
|
Socket
Welding Ends |
Scr.
|
Screwed
Ends |
|
Flg.
|
Flanged
Ends |
S.J.
|
Solder
Ends |
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