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 .

YRIGHT merican Society of Mechanical Engineerssed by Information Handling Services

YRIGHT American Society of Mechanical Engineerssed by Information Handling Services



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-





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





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---





~-

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





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

._





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





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. .





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





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

ASME Symbols Valve, Fitting

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