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8/10/2019 ASME Symbols Valve, Fitting
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8/10/2019 ASME Symbols Valve, Fitting
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A m c r i c m Scandud
GRAPHICAL SYMBOLS FORPIPE FITTINGS, VALVES, A N D PIPING
scope
T h i s s t a n d a r d h a s b e e n d e v e l o p e d for u s e o n d r a w i n g s . A r c h i t e c t s e n g i n e e r sa n d c o n f r a c t o r s b y t h e u s e of t h e s t s y m b o l s on t h e i r p l a n s w i l l h a v e a s t a n d a r dmethod of i n d i c a t i o n for pipe f i t t ings va lv es p ip ing m.d allied itcms. Confus ioni n t h e i n t e r p r e ta t i o n s of r e q u i r e m e n t s c a n t h u sbe avoided.
B a s i c Priaciples
C l a r i t y a n d s i m p l i c i t y w e r e c o n s i d e r e d p a r a m o u n t n h e a s s e m b l i n g of thesesymbols .Whene ver oss ib le im pl i f i ca t ion in t h ed r a f t i n gw a sp r i m a r i l y con-s i d e r e d a n d i d e n t i f ic a t i o n letters w e r e u s e d o n l y w h e n t h e r e w a s a q u e s t i o n of a ne r r o r b e c a u s e of s i m i l a r i t y o f form. Only t h o s e s y m b o l s a b o u t w h i c h h e r e wasn a t i o n w i d e c o n s e n s u s w e r e i n c l u d e d . T h e r e a r e s t i l l m a a y symbols t h a t are usedin a p a r t i c u l a r s e c t i o n b u t a r e n o t n a t i o n a l l y r e c o g n i z e d .
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A S M E Y 3 2 . 2 . 3 L17 W 0759670 0 0 7 ' i b 5 8 3 W
I BUSHING
CAP
3 CROSS
3.1 REDUCING
3.2 STRAIGHT SIZE
4 CROSSOVER
6 ELBOW
5.1 &DEGREE
5.2 DEGREE
5.3 TURNED DOWN
5.4 TURNED UP
5.5 BASE
5.6 DOUBLEBRANCH
' A'MERICAN STANDARD
FLANGED
ii
D-
i
LT
ELL 6 SPIGOT
o -@+
L
WELDED
*
4
SOLDERED
0@-e-
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GRAPHICAL SYMBOLS FOR PIPE FITTINGS d V A L V H
5.7 LONGRADIUS
5.8 REDUCING
5.9 SIDE OUTLET(OUTLET DOWN)
5.10 SIDE OUTLET(OUTLET UP)
5.11
6 JO1
6.1
6.2
STREET
N T
CONNECTINGPIPEEXPANSI ON
7 L AT E R A L
8 O R I F I C E F L A N G E
9 R E D U C I N G FLANGE
FLANGED
r;4=
SCREWED
+
5
LELL6 SPlGOT WELMD SOLDERER
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IO PLUGS
10 1 BULL PLUG
10.2 PIPE PLUG
REDUCER
11.1 CONCENTRIC
11.2 ECC ENT R IC
12 SLEEVE
I3 €E
13.1 (STRAIGHTSIZE)
13.2 (OUTLET UP
13.3- (0UTL E.TDOWN)
13.4 DOUBLE SWEEP
13.5 REDUCING
13 6 SING L E SWEEP)
AMERICAN S TA N D A R D
FLANGED
+
T
SCREWED
+Y-
- - t
t
2
6 . 4
T
ELL L SPIGOT
c
WELDED
+c--*
SOLDERED
e---
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~-
G R A P H I C A L SYMBOLS FOR PIPE FITTINGS d VALVES
13.7 SIDE OUTLET(OUTLET DOWN)
13.
I4 UN
SIDE OUTLET(OUTLETUP
ON
I 6 A N GL E VA L V E
15.1 CHECK
15.2 GATEIELEVATION)
15.3 GATE(PLAN)
15.4 GLOBE(ELEVATION)
15.5 GLOBE(P LAN)
15.6 HOSE ANGLE
I6 AUTOMATICVA LV E
16.1 BY-PASS
FLANGED
=
PSAME A5
SCREWED
f-
SYMBOL
7
BE11 6 SPIGOT
23.1
WELDED SOLDERED
4
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A S M E Y 3 2 - 2 . 3 4 7 m 0 7 5 7 6 7 0 0 0 7 4 6 6 25 m
16.2 GOVERNOR-OPERATED
16.3 REDUCING
I CHECK VA LV E17.1 ANGLE CHECK
17.2 STRAIGHTWAY)
I8 COCK
I S D I A P H R A G MVA LV E
2 F L O AT VA LV E
21 GATE V.ALVE
'21.1
21.2 ANGLE GATE
21.3 HOSE GATE
A M E R I C A N TA N D A R D
FLANGED
SAME A S
SAME AS
SAME AS
SCREWED
SYMBOL
at-
+oSYMBCLS
SYMBOL
SELL b SPIGOT
1 5 <1
1 5 . 2 15.3
23.2
WELDED
*ALSO USED FOR GENERAL STOP VALVE SYMBOL WHEN AMPLIFIED BY .SPECIFICATIO N
8
SOLOERE0
._
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G R A P H I C A L S Y M B O L S FORIPEITTINGS 6 VALVES
2 1.4 MOTOR-
OPERATED
22 GLOBE VALVE
22.1
22.2 ANGLE GLOBE
22.3 HOSE GLOBE
22.4 MOTOR-OPERATED
23 HOSE VALVE
23.1 .ANGLE
23.2 GATE
23.3GLOBE
24 L O C K S H I E L DVA LV E
25 QUICK OPEN NG
VA LV E
26 S A F E T Y VA LV E
27 STOP VA LV E
FLANGED
PSCREWED
SAME A S
SAME AS
W
SAME A S
9
P
SYMBOLS
SYMBOL
-
-Pb-
SYMBOL
LELL 6 SPIGOT
15.4 6 15 5
23.3
2 1 - 1
WELDED SOLDERED
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A S M E Y 3 2 . 2 . 3 4 9 m 0759670 007LIbb49 m
AMERICAN TANDARD
AIR CONDITIONING28 BRINE RETURN
29 BRINE SUPPLY
30 CIRCULATINGHIL LE D OR HOT-WATERFLOW C H
31 CIRCULATING CHILLEDOR HOT-WATER RETURN C H R -32 CONDENSERFATER F L O W
33 CONDENSER WATER RETURN'
34 DRAIN
35 HUMIDIFICATIONLINE
36 MAUE -UP WATER
37 REFRIGERANT DISCHARGE
38 REFRIGERANT LIQU ID
9 REFRIGERANT SUCTIONHEAT ING40 AIR-RELIEF'LINE
41 BOILER BLOWOFF
42 COMPRESSEDAIR
43 COND ENSATE OR VACUU M PUMP DISCHARGE
44 FEEDWATER PUMPDISCHARGE
45 FUEL-OIL FLOW
46 FUEL-OILRETURN
. 47 FUEL-OILTANKVENT
,48 HIGH-PRESSURE RETURN49 HIGHYPRESSURE STEAM -
50 HOT-WATER HEATING RETU RN
51 HOT-WATER HEAT ING SUPPLY. .
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GRAPHICAL SYMBOLS FOR PIPING
52 LOW-PRESSURE RETURN
53 LOW-PRESSURE STEAM
'54 MAKE-UP WATER
55 MEDIUM PRESSURE RE TU Rb
56 MEDIUM PRESSURE STEAM
PLUMBNG57 ACID WASTE
58 COLD WATER
59 COMPRESSEDAIR
60 DRINKING-WATER FLO W
61 DRINKING-WATER RETURN
62 FIRELINE
63 GAS
64 HOT WATER
65 HOT-WATER RETUR N
66 SOIL, WASTEOR LEAD ER (ABOVE GRADE)
67 SOIL, WASTEOR LEADER (BELOW GRADE)
68 VACUUM CLf AN lNG
69 VENT
PNEUMAT C TUBES70 TUBË RUNS
SPRINKLERS71 BRANCH AND HEAD
72 DRAIN
7 3 -MAIN SUPPLIES
-
-- -I-
A C I D
.
- 0
F
--V V
-
S
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USAStanda rds o f P a r t ic u l a r n t e r e s t oD e s i g n e r s .A r c h i t e c t s n dD r a f t s m e n
TITLE O F STANDARD
USA Standard Drafting P ra ct ic esSection 1 Size and Format . . . . . . . . . . . . . .Section 2 LineConventions. Sectioning and Lettering . . . . .Section 3 Projections . . . . . . . . . . . . . . . .Section 4 Picto rial Drawing . . . . . . . . . . . . . .Sect ion Dimensioning nd Note s . . . . . . . . . . . .Section 6 Screw Threads . . . . . . . . . . . . . . .Section 7 Gears. Splines nd Serrations . . . . . . . . . .Section 8 Castings . . . . . . . . . . . . . . . . .Section 9 Forgings . . . . . . . . . . . . . . . . .Section 0 Metal Stampings . . . . . . . . . . . . . .Section 11 Plast ics . . . . . . . . . . . . . . . . .Section 1 2 Die Castings . . . . . . . . . . . . . . .Section 13 Springs. Helical and Fla t . . . . . . . . . . .Section 14 Mechanical Asse mbli es . . . . . . . . . . . .Section 15 Electrical and Electronics Diagrams . . . . . . . .Section 16Tools. Dies and Gages . . . . . . . . . . . .Section 7 Fluid Power Diagrams . . . . . . . . . . . .Section 18 Drawings for Optical Parts . . . . . . . . . . .Section 9 Engineering Drawin gs for Photographic Reproduction . .
Illustrations for Publication and Projection . . . . . . . . . .Time Series Charts . . . . . . . . . . . . . . . . . .Graphic Symbols for:
Metallizing Symbols . . . . . . . . . . . . . . . . .Welding . . . . . . . . . . . . . . . . . . . . .Plumbing . . . . . . . . . . . . . . . . . . . .
. . . Y14.1-1957. . . Y14.2-1957
. . . Y14.3-1957. . . Y14.4-1957
. . . Y14.5-1966. . . Y14.6-1957
. . . Y14.7-1958. . . n Preparation. . . . Y14.9-1958. . . Y14.10-1959. . . Y14.11-1958. . . n Preparation. . . n Preparation
. . . Y14.15-1966. . . n Preparation
. . . 14.17-1966
. . . n Preparation
. . Y14.14-1961
. . In Preparation
. . Y15.1-1959. Y15.2-1960
. . . Y32.12-1960
. . . Y32.3-1959. . . Y32.4-1955Pipe Fittings. Valv es and Piping . . . . . . . . . 232.2.3-1949 Reaffirmed 1953)Heating. Ventilating and Air Conditioning . . . . . . . . . . . . . 32.2.4-1949Use on Railroad Maps and Profiles . . . . . . . . . . . . . . . Y32.7-1957
FluidPower Diagrams . . . . . . . . . . . . . . . . . . . Y32.10- 967
Heat-Power pparatus . . . . . . . . . . . . 232.2.6-1950 Reaffirmed 956)
Process Fl ow Diagrams in Petroleum andChemical Industries . . . . . . Y32.11-1961Nondestructive esting Symbols . . . . . . . . . . . . . . . Y32.17-1962Abbreviations for Use on Drawings . . . . . . . . . . . . . . . . 32.13-1950
Letter Symbols for:Hydraulics . . . . . . . . . . . . . . . . . . . . . . . Y10.2-1958Rocketropulsion . . . . . . . . . . . . . . . . . . . . Y10.14-1959Mechanics for Solid Bodies . . . . . . . . . . . . . . . . . 210.3-1948Structural nalysis . . . . . . . . . . . . . . . . . . . . 210.8-1949Heatndhermodynamics . . . . . . . . . . . . . . . . . . . Y10.4-1957
Physics . . . . . . . . . . . . . . . . . . . . . . . . . 210.6-1948
Meteorology . . . . . . . . . . . . . . . . . . . . . . . . Y10.10-1953Acoustics . . . . . . . . . . . . . . . . . 10.11-1953 (Reaffirmed 959)
Quantities Used n Electrical Science and Electrical Engineering . . . . . . Y10.5-1968
Aeronauticalciences . . . . . . . . . . . . . . . . . . Y10.7-1954Radio . . . . . . . . . . . . . . . . . . . . . . . . . . . Y10.9-1953
Chemical Engineering . . . . . . . . . . . . . 10.12-1955 (Reaffirmed 961)Petroleum Reservoir Engineering- and Electric Logging . . . . . . . . . . Y10.15-1958
Guide for Selecting Greek Lett ers Used as Le tte r SymbolsforngineeringMathematics . . . . . . . . . . . . . . . . . .Y10.17-1961
Illuminating Engineering . . . . . . . . . . . . . . . . . . . . . . . . . . Y10.18-1967
Symbols forMechanlcalandAcoustica1 Elements a s Used inschematic Diagrams . . Y32.18-1968Abbreviations or Scientific and Engineering Terms . . . . . . . . . . 210.1-1941
Shell Theory . . . . . . . . . . . . . . . . . . . . . . Y10.16-1964
Units Used n Electrical-Scienc e and Electrical Engineering . . . . . . . . . Y10.19-1967