Asme b16 30 1969 scan (american society of mechanical engineers)

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Unfired Pressure Vessel
Flange Dimensions

Sponsors
Mechanical Contractors Association of America
Manufacturers Standardization Society of the
Valve and Fittings Industry
The American Society of Mechanical Engineers

Published b y
THE

AMERICAN

345 East 47th Street

S O C I E T Y O F M E C H A N I CEANLG I N E E R S
United Engineering Center
New York, N.Y. 10017

OFFICIAL APPhOVW COPY
COPYRIGHT American Society of Mechanical Engineers
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USA STANDARD
This USA Standard is one of nearly 3000 staqdads approved a s American Standards by &e
American Standards Association. On August 24, 1966, the ASA was reconstituted as the United
States of America Standards Institute. Standards approved as American Standards an now designated USA Standards. There is nochangein
theirindex identification or technicalcontent.

Copyrilht

9. 1969 b y

T H E A M E R I C A N SOCIETY OF MECHANICAL ENGINEERS
Printed in U. S. A.

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USASTANDARDS COMMITTEE 816

STANDARDIZATION
OF

PIPE FLANGES AND FITTINGS

OFFICERS

L. H. Carr, Chainncn

R. V. Wanick, Secretary

STANDARDS COMMITTEE
(os of April, 1966)
AIR CONDITIONING AND REFRIGERATION INSTITUTE
R A. Groy, Jr., Mueller Brass Co.. Port Huron, Mich.
M. W. Gorlond, Frick Company, Wayneaboro, Pa.
f . 1. Reed, Alternate, Air Conditioning h Refrigeration Institute, Arlington,

Va.

AMERICAN BOILER MANUFACTURERS ASSOCIATION AND AFFILIATED INDUSTRIES
J. M. Guy, Erie City Iron Works, Erie, Pa.
AMERICAN BUREAU O F SHIPPING

A. N. Narter, American Bureau of Shipping, New York, N.Y.
AMERICAN GAS ASSOCIATION
J. H. Miller, Public Service Electric & G a s Co., Newark, N. J.
M. Milden, Alternate, American Gas Association, New York, N.Y.
AMERICAN PETROLEUM INSTITUTE
Division of Refining
f . 6. Ca//onen. Mobil Oil Corp., New York. N.Y.
0. W. Motter, Esso Research h Engineering Co., Florham Park, N.J.
J. 0. Mmney, Alternate, American Petroleum Institute, New Yo&, N.Y.
Division of Production
H. H. List, Shell Pipeline Corp.. Houston, T e x a s
J. E. Ubben, Alternate, American Petroleum Institute, Dallas, Texas
AMERICAN SOCIETY O F HEATING, REFRIGERATING AND AIR-CONDITIONMG ENGINEERS
tC. W. Hudzietz, Henry Valve Co., New York, N.Y.
AMERICAN SOCIETY O F MECHANICAL ENGINEERS
H. A. Hoffer, Consultant, Havertown, Pa.
J. T. Plmstrom, Consolidated Edison Co. of N.Y. Inc., New York, N.Y.
Arthur Roberts, Jr., Lynchburg Foundry, Lynchburg, Va.
R V. Worrick, Manufacturers Standardization Society of the Valve and Fittings Industry, New Yo&,
N.Y.
AMERICAN SOCIETY OF SANITARY ENGINEERING
J. C. Church, Consultant, Mamaroneck, N.Y.
Steven Esnn, Jr., Nibco, Inc., Elkhart, Indiana
L. M. Reading, Alternate, Bureau of Plumbing, City of Detroit, Detroit, Wch.

t Deceased
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AMERICAN SOCIETY FOR TESTING AND MATERIALS
J. E. Lotion, Taylor Forge & P i p e Works, Chicago, Ill.
AMERICAN WATER WORKS ASSOCIATION
W. J. Burns, Dept. of Water & Power, Los Angeles, Calif.
M. C. Todd, Bur. of Engng., Chicago, Ill.
AMERICAN WELDING SOCIETY
H. A. Sosnin, Consulting Engineer, Jenkintown, Pa.
ASSOCIATION O F AMERICAN RAILROADS
Engineering Division
H. E. Grahom, Illinois Central Railroad, Chicago, Ill.
ELECTRIC LIGHT AND POWER GROUP
G. C. G i v e n s , Pennsylvania Power & Light, Allentown, Pa.
G. A. Olson, Alternote, Edison Electric Institute, 750 Third Avenue, New York, N.Y.
E. C. Pandorf, Cincinnati Gas & Electric Co., Cincinnati, Ohio
CAST IRON P I P E RESEARCH ASSOCIATION
W. T. M i l l e r , T h e C a s t Iron Pipe Research Assn., Chicago,

Ill.

COPPER DEVELOPMENT ASSOCIATION, INC.
A. 1. Hcim, Copper Development Association, Inc., NewYork, N.Y.
C. H. Ellwonger, Alternate, Copper Development Association, Inc., New

York, N.Y.

FLUID COftTROLS INSTITUTE
J. P. Morgan, Robertshaw Controls Company, Knoxville, Tenn.
GEORGIA ICE MANUFACTURERS ASSOCIATION

C. T. Baker, Consulting Engineer, Atlanta, Ga.
HYDRAULIC INSTITUTE, THE
W. c. Orborn, Goulds Pumps, Inc., Seneca Falls, N.Y.
INSTRUMENT SOCIETY O F AMERICA
C. A, Prior, E. I. duPont deNemours & Co., k c . , Wilmington, Del.
J. E. French,Alternate, Instrument Society of America, Pittsburgh, Pa.
MALLEABLE FOUNDERS’ SOCIETY
H. J. Heine, Malleable Founders’ Society, Cleveland, Ohio
MANUFACTURING CHEMISTS ASSOCIATION
H. E. Atkinson, E. I. duPont deNemours & Co., Inc.,Wilmington, Del.
Meode McArdle, Olin Mathieson Chemical Corp., New Haven, Conn.
MANUFACTURERS STANDARDIZATION SOCIETY O F T H E VALVE AND FITTINGS INDUSTRY
H. M. Burns, Stockham Valves & Fittings, Inc.,Birmingham, Ala.
Wm. H e i l i g , T h e Wm. Powell Company, Cincinnati, Ohio
E. C. P e t r i e , Crane Co., 4100 So. Kedzie Ave., Chicago, Ill.
C. H. Simon, Darling Valve & Mfg. Co., Williamsport, Pa.
MECHANICAL CONTRACTORS ASSOCIATION O F AMERICA, INC.
E. Thomson Best, Frank A. McBride Co., Paterson, N. J.
P. A. Bourquin, Wolff & Munier, Inc., New York, N.Y.
L. B. Kromer, Jr., Alternate, Mechanical Contractors Assn. of America, Inc., New York, N.Y.
MECHANICAL PACKING ASSOCIATION, INC.
H. H. Dunkle, Johns-Manville Corp., New York, N.Y.
NATIONAL ASSOCIATION O F PLUMBING CONTRACTORS
W. J. Murphy, J. L. Murphy, I n c . New York, N.Y.
NATIONAL ASSOCIATION OF REFRIGERATED WAREHOUSES
A. W. Ookley, Hudson Refrigeration Co., Jersey City, N.J.
NATIONAL AUTOMATIC SPRINKLER & FIRE CONTROL ASSOCIATION, I N C
J. R. Welshman, G r i m e l l Corp., Providence, R.I.

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NEW ENGLAND WATER WORKS ASSOCIATION
J. Porter Hennings, Portland Water District. Portland, Me.
F. J. Turnbull, Fay, Spofford Ik Thorndike, Inc., Boston, Mass.
P I P E FABRICATION INSTITUTE
A. B. Donkerslcy, Grinnell Corp., Providence, R.I.
RUBBER MANUFACTURERS ASSOCIATION
Richard G. Rcmsdell, Parker Seal Company, Culver City, Calif.
William Johnson, Alternate, Goshen Rubber Co., Inc., Goshen, Ind.
SOCIETY O F NAVAL ARCHITECTS AND MARINE ENGINEERS
A. N. Norter, American Bureau of Shipping, New York, N.Y.
SOCIETY OF PLASTICS ENGINEERS, INC.
Fronk W. Reinhart, Silver Spring, Md.
Bryce N. Batrer, Plastiline, Inc., Pompano Beach, Fla.
C o l i n C. Conpbell, Alternote, Society of Plastics Engineers, Inc., Stamford, Conn.
SOCIETY OF THE PLASTICS INDUSTRY, THE
D. W. Boird, Cabot Corp., Santa Ana, Calif.
C. R. Owen, R 8s G Sloane Manufacturing Div., West Caldwell, N.J.
Fronk W. Reinhort, Silver Spring, Md.

U.S. COAST GUARD
Lt. J.

L.

Howard,

U.S. Coast Guard Headquarters, Washington,

U.S. DEPARTMENT O F THE NAVY
D. T. Pepper, Naval Ships Engineering Center, Washington,
INDIVIDUAL MEMBERS
L. H. Corr, San Luis Obispo, Calif.
D. K. Greenwold, Ladish Co., Cudahy. Wis.
J. H. Rickermon, The M. W. Kellogg Co., New York, N.Y.

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D.C.

D.C.


USA STANDARD

UNFIRED PRESSURE VESSEL FLANGE DIMENSIONS
to similar
2.3 flanges
Loosetype
ASME U P V
code illustratidn UA 48-la are limited to a maximum vessel wall thickness of 0.50 inches.

1.

.. Scooe
.

1.1 To providedimensionsforunfiredpressure vessel flanges based on the
ASME Unified
P r e s s u r e Vessel (UPV) code formulas and specifi2.4 Welded-type flanges similar to AWE U P V
code illustration UA 48-8a are limited to a maxications and on proportions established by design
mum flange thickness of 6 inches.
practices of many large industrial users.
1.2 To provideenoughsizeandpressure
choicestoincludethemajority
of thevesselsrange
used.

2.6 Flanges listed cover the requirements for
the listed operating conditions and gasket seating pressure requirements.

1.3 To providethe

consistent
operation.

most economicalflanges
with
satisfactory
installation
and

Where flanges are subject to other stresses
s u c h as bending due to wind l o d on a tower o r

induct
work applications, stress calculations
must be m a d e and an appropriately heavier flange
selected.

1.4 To provide a design which permits the use
of a wide variety of gasket materials.
1.5 To establish
interchangeability
among
loosetype (example: ASME UPV code illustration

UA-48- la)* and welded-type(example:

ASME

UPV illustration UA 48-8a) for equivalent vesseldiameters and operating pressures.

2. Sizes,

3. Allowable Stresses
3.1 Thestandardisbasedonanallowable
working stress for the flange material of 13,750
pounds per square inch.

Pressures and L i m i t s

2.1 F l a n g e s for v e s s e l s with outside diameters
given in inches of 2 6 , 27, 28, 30, 32, 33, 34, 36,
38, 39, 40, 42, 45, 48, 51, 54,

57, 60, 63, 66, 69,
72, 75, 78, 81, 84, 87, 90, 93, 96, 99, 102, 105,
108, 111, 114, 117 and 120 are listed for working
as
pressuresgiveninparagraph2.2andlimited
specified in paragraphs 2.3, 2.4, and 2.5.

3.2 Thestandard is basedonanallowable
working s t r e s s for the vessel material of 11,687
(13,750 x 85 percent weld factor).

3.3 Vesselshellthicknessesarecalculated
by theformulasgiveninthe
ASME U P V code
UG 27.

2.2 Flanges for v e s s e l s with workingpressures
in pounds per square inch of
50, 100, 150, 200,
4oo, 450,
550, 6oo, 650, 700,
250, 3oo,

3.4 Materialswhichmatch
the s t r e s s e s u s e d
inthestandardincludesuch
commonly usedplate
m a t e r i a l s a s SA-20 l A , SA-285C, and bar material
from -20
A 306 Grade 55 intemperatureranges

to 650 F. Some
carbon-silicon
and
stainless
alloysarehigherin
thes.e temperatureranges.
Where special alloyortemperatureconditions
markedly affect the strength it will be necessary
to considerthisdifferenceinthechoiceof
a
flange.Corrosionallowancesarenormally
rew i r e d in thevesselshellbutarenotincluded
in

750, and 800. 25 and 75 pounds per square inch
pressures are included for v e s s e l s 48 inches outside diameter and larger.

Frrpurnt reference is made to the ASME B o i l e r and Pressure Vessel Code,
Section
VIII, Unfired
PresBure
Ves8els1 9 6 5 in thia text. Therereferences
arechsrncterized
by
the initi.,s ,,upv,, md to p.mgt.pkr
carryiq the

U A . UG, or U N C .

calculations

the

1

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2.5 All flangesarelimitedto
a bolt
diameter
of 5/8 inchesthrough 1-5/8 inches.


USA STANDARD
4. Bolting,Allowable

for Bolts and Nuts

outside diameter of the raised face which leaves
a clearance of 1/8 inchesbetweengasketoutof thecentered
sidediameterandinsideedge
bolts. See Fig. 1.

Stress andSpecifications

4.1 T h e number of bolts usedwastaken
as
the largest multiple of 4 contained in the number
of inches in the outside diameterof the vessel.

5.3 Thebasicgasketseatingwidth
bo is
taken a s N/2 with flange facings asshown
in the
AShlE UPV Code Table UA 49.2 la and lb. The
effectivegasketseatingwidth
b i s calculated
from the formula b = 0.5 Go.

4.2 The bolt circle was selected based on the
following considerations.
a)Aclearance
of 1/8 inchesbetween
centered gasket and centered bolts.

5.4 T h e u s e of thesestandardflanges
with
b) Nointerferencebetween outside diameter othergaskettypesrequiresthefollowing
adofwrenchsocketoncenteredboltandtoe
of
justments.
ASME U P V Code minimum weldonwelded-type
a) The dimensions of the alternate gasket
flanges (UA 48-8a).
are to be adjusted so that the factor (2b x 3.14
c) A clearance of at l e a s t 1/8 inches b e
G m P ) in UA 49 formula 1 i s no greater than it is
when rn = 2.5 a s used in this standard.
of
tween centered socket wrench and the comer

the nut on the next centered bolt.
b) The dimensions of the alternate gasket
4.3 The standard is based on a maximum bolt
s t r e s s of 20,000 psi.

are to be adjusted so thatthe minimum initial
boltloadrequiredto
seat the gasket a s determined by UA 49 formula 2 ( W m z = 3.14bCy) is no
greater than it is when y = 2;900 a s u s e d in this
standard.

Boltingmaterialswhichmeetthestress
87 for -20 to
requirement include SA-193 Grade
800 F.

c) The diameter of the alternate gasket is
to beadjusted so that h , , theradialdistance
to the bolt circle,
from thegasketloadreaction
is no greater than that used in this Standard. (See
5.3 which establishes b which determines hc).

4.4 The standard is based on bolt thRading
specified as UNC-2A for 1 inchandsmallerand
8N-2A for larger sizes. All threads a s per USA
StandardB1.1'.
If otherthreading
is usedthe
variationinneteffectivecrosssectional

area
must be considered.

a) The dimensions of the gasket are to be
adjusted as required by the nature of the gasket
contactsurfaces
as' shownin
Table UA 49.2
which dictates bo, b and k.

4.5 Nuts to be A 194 C l a s s 2H o r equivalent.
T h e u s e of washers is optional.Clearance is
providedfortheuse
of high strength structural
washers ASTM 325
A
medium carbon
steel,
quenched and tempered.

e ) Additional thickness is to be added to
theflangethicknessgivenin
this standard to
compensate for materialremovedwhenmachining for ring joint or tongue and groove gaskets.

4.6 The flange design bolt load is calculated
from UA 49 formula4whichrecognizesthatthe
bolts are usually slightly oversize and provides
a margin againstabuse of theflange from over
bo1tin g.

Note
that
in
all cases for
loose-type
flanges,Fig. UA-48 1 requires that hc be taken
atmid-point of contactbetweenflangeandlap
independentofgasketlocation.Thismustbe
considered in choosing alternate gasketing
to be
sure
that
gasket
diameters
and
widths
are
appropriately established.

5. Gaskets

5.1 Thestandardisbased
on gasketfactor
= 2.5 and minimum design
seating
stress
y = 2,900.
rn

When spiral-wound type gaskets are used,
the following proportions are recommended:

5.2 Thestandardisbasedongasketswith
inside
diameters
equal
to
the vessel
inside
diametersandoutsidediametersequaltothe

Outerguideringoutsidediameter
(O.D.) equal
bolt circle (B.C.) minus one bolt diameter.
Gasket O.D. maximum equal raised face diameter
minus !/1
inch.
(I.D.) maximum equal
Gasketinsidediameter
gasket O.D. minus 1 inch.

' U S A Standard Bl.1-1960 U n i f i e d Screw Threads, published by The American Society of Mechanical Engineers. New York City.

2

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OUTSIDE DIAMETER OF FLANGE
~

I

DIAMETER OF BOLT CIRCLE

I
BOLT DIAMETER PLUS
1/a INCH

FLANGE THICKNESS,
INTEGRAL (Not including
Height of Raised Face)

VESSEL OUTSIDE DIAMETER
FLANGE BORE, INTEGRAL
(Minimum for Assembly
but not to exceedBore for
o
lo
s
e type)

WELDING REQUIREMENTS
PER ASME CODE
SECTION Vlll
(SAME AS

INTEGRAL TYPE FLANGE

FIG.UA - 48 ( E d ASME CODE SECTION VIII)

OLT DIAMETER
ICKNES OF LAP EQUAL
OR GREATER THAN

FLANGE THICKNESS,

TWO TIMES CLEARANCE

LOOSE TYPE FLANGE

(SAME AS FIG. UA -48 (la) ASME CODE SECTION VIII)

Figure 1.
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USA STANDARD

7.3 To assure satisfactoryoperation,care
must be taken in the welding and machining
of
the flange, the choice
of thepropergasketand
the final assembly of gasketandflanges.Bolts
should be tightened to the proper loading and a

proper sequence of tightening should be observed.

Gasket I.D. minimum equalgasket O.D. minus
1% inchesbutnever
less thanvessel
I.D.
plus % inch.
Inner ring L D . maximum equal gasket I.D. minus
3 .
4 Inches.
Innerring I.D. minimum equalvessel I.D. p l u s
2, inches.

7.4 In all cases bolt circlediameters
are
kept as s m a l l a s possibleconsistentwithrequired
wrench
clearances
and gasket
widths
adequate forhandlingandsafety
from blowout.
This minimizes the moment ann h~ and reduces
thethickness
of theflange,thusassuringan
economical design.

5.5 'In case of doubt it is recommendedthat

thegasketmanufacturer

be contactedtodeter
mine
gasket
characteristics
and
application
recommendations.

6. Marking
6.1 Each flangeshallbestamped
on the
edge withfiguresnot
less than % inchhigh
which gives the following information:

7.5 A largeselectionofvessel
sizes and
designpressures
is given. T h i s permits each
u s e r to choose from thelargenumbergiven
a
smaller group whichwillcoverhisparticular
needsandwhichwillafford
maximum economy
and standardization.

a) Vessel outside diameterin inches.

inch.

F.

b) Design pressure in pounds per square

c) Operating temperature limits in degrees

7.6 Hubtypeflangeswhichwouldslipover
the outside of the vessel and be used as a loosetypeflange(Fig.
UA-48 2 and 3) werenotincluded in this standard since wrench clearances
requiredby t h e e x i s t e n c e of the hub forced the
bolt circle out and matedally increased the
size
of t h e flange. Weldingneckflangeswhichhave
t h e same inside diameter a s the vessel and butt
weld to the vessel wall are especially desirable
and find wide application in the higher pressure
and temperature ranges

a) Flange material specification number.

e) Manufacturers name or trademark.

7. General Considerations
7.1 Assembly
clearances
for loose-type
flangeswerechosen
as 0.06 inches for flanges
up to 39 inchvesseloutsidedianeter,
0.09

inches for 39 inches through 66 inches and 0.13
inchesabove
66 inches;allgiven
as radius
clearances. (The differences between flange insidediameterandvesseloutsidediameter
are
0.13 inch, 0.19 inch and 0.25 inch, respectively.)

7.7 ASME UPVCode
UA-48, paragraph 3,
permitsflangeswhich
are welded to the v e s s e l
to be sizedaccording to the loose-typeflange
caladations
provided
none. of
the
following
values is exceeded. go = 2 inch; B / g o = 300;
P = 300 psi;operatingtemperature
= 700 F.
go = thickness of the hub at the small end
(in
t h i s case the vessel wall thickness); B = inside
diameter of the flange (in this
case the vessel
inside diameter); P = design pressure, pounds per
squareinch.Theseoption@flangeswerenot
included.

7.2 The contacting faces between the top of
t h e l o o s e t y p e f l a n g e and the bottom of the vessel lap must both be machined to a s s u r e uniform
flange to lap contact. Also the top
of the v e s s e l
lap flangemust be machinedforuniformity
of
gasketloading.Thetop,innercomer
of the
l o o s e t y p e f l a n g e is to be machined with a bevel
or radius to avoid bearing on the radius of the
vessel-lap connection.

4

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UNFIRED PRESSURE VESSEL FLANGE DIMENSIONS

Unfired Pressure Vessel Flange Dimensions
Outside
Diameter
Pressure
of
Flange

Diameter Diameter
of
of

Bolt
Bolts
Circle

Flange
Bore

Flanee
Thickness
lnt@g18l

I

~ootr

Vessel
Vessel
Raised
Face
Wall
Inside
Outside
Thickness
Diameter Diameter

Vessel Outside Diameter, 26 Inches, 24 Bolts
5.
0.13
25.75 27.75 26.13
1.69 1.90

28.63
2.00
28.63
2.38
28.83
29.01
2.69
29.18
4
2.94

50
100
150
200
250

30.13
30.13
30.58
31.07
31.18

300
350
400
450
500

1 3.06

31.680.33 25.34
29.4328.18 26.13
32.34
29.84
0.38
25.2328.46::26.13
1 3.38
32.49
29.99
17 3.6
33.14
0.49
26.13 3.94
IO.3925.0128.8914
33.30
30.55 29.05 1?4
24.91

550
600
650
700

33.95
34.10
34.75
34.90

30.95
31.10

3 1.50
31.65

750
800

35.55
35.70

32.05
32.20

7
4
3

2

1Yr

1B

134
154

1.8 1
2.19
2.50
2.8 1

3.19
3.44
3.69
3.94
4.06

26.13
26.13
26.13
26.13

27.75
27.83
27.94
28.05

25.75
25.67
25.56
25.45

0.13
0.17
0.22
0.28

3 0.44
25.12
28.62
26.1.3

0.55

4.31
4.50
4.69
4.88

29.32
29.47
29.75
29.90

24.80
24.69
24.59
24.48

0.60
0.65
0,71
0.76

5.06
5.19

30.18
30.32

24.37

24.27

0.81
0.87

28.75
28.84
28.96
29.07

26.75
26.66
26.54
26.43

0.13
0.17
0.23
0.29

29.22
27.13
27.13
29.51
0.46
26.09
29.66
27.13
0.5125.98
29.95

26.31
26.20

0.34
0.40

30.39
30.67
30.83
31.11
31.26

25.75
25.64
25.53
25.42
25.31

0.62
0.68
0.73
0.79
0.84

29.75
29.86

27.75
27.64

0.13
0.18

Vessel Outside Diameter, 27 Inches, 24 Bolts

50
100
150
200
250

31.13 0.13 29.63
26.75 28.75 27.13
'4 1.69 1.94
2.06
31.13
29.63
31.59
2.44
29.84
32.08
30.08
2.75
lL
3.06
32.57
30.32

300

350
400
450
500

32.72
33.38
33.54
34.20
34.860.57

30.47
30.88
31.04
31.45
31.86
25.86

550
600
650
700
750

35.0 1
35.67
35.8 3
36.48
36.6 4

32.0 1
32.42
32.58
32.98
33.14

jf

1

SL

'?4

3.31
3.56
3.7 5

30.23
1%

4.25

'r/r

4.44
4.69
4.8 1
5.06
5.19

$
154

1.88
2.25
2.56
288
3.19
3.50
3.8 1

27.13
27.13
27.13
27.13

Vessel Outside Diameter, 28 Inches,28 Bolts

50
100
150
200
250

30.63
32.13
30.63
32.13
30.86

32.6 1
31.10
33.10
;I,
33.22 0.30 31.22
27.41 30.09 28.13
L 3.00

2.00
2.13
2.50
2.8 1
3.13

0.131.7527.7529.7528.13
28.13
1.9 4
2.31
28.13
2690.2427.52
29.98
28.13

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USA STANDARD

Outside

-.

Unfired Pressure Vessel Flange Dimensions (Cont.)

D iameter

Diameter
oi

FI ange

Circle

Bolt

Diameter
of

Flange
Thickness
Integral

I

Looso

Flange
Bore

Loose

Raised
Face
Oukide
Diameter

Vessel Vessel
Inside
Wall
Diameter Thickness

Vessel Outside Diameter, 28 Inches, 28 Bolts (Cont.)

1

300
350
400
450
500

33.76
34.42
34.59
35.25
35.42

31.51
31.92

32.09
32.50
32.6 7

3.3 3.38
3.6 3.69
la/
'I4
28.13
3.943.88
4.13
1$
1%
4.3 1

550
600
650
700

36-08
36.24
36.90
37.07

33.08
33.24
33.65
33.0 2

750

37.7 3
37.89

34.23
34.39

aoo

1
3

30.71
3 1.00
31.17

27.29
27.17
27.05
26.94
26.82

0.36
0.41
0.47
0.53
0.59

11g'5

4.56
4.75
4.94
5.13

31.45
31.62
31.90
32.07

26.7 1
26.59
26.48
26.36

0.65
0.70
0.76
0.8 2

lS&

5.31
5.50

32.35
3251

26.25

26.13

0.88
0.93

13L

154

30.2628.13
30.55
28.13

Vessel Outside Diameter, 30 Inches, 28 Bolts

50
100
150
200
250

34.13
34.13
34.63
35.13
35.65

32.63
32.6 3
32.88

33.13
33.40

2.06
2.25
2.6 3
3.00
3.31

300
350
400
450
500

35.83
36.51
37.18
37.36
38.03

33-58
32.33 30.13 1 3.50
34.0 1
1%
34.43
32.9
34.6 1 33.11 1%
35.0 3
134

3.56
3. 88
4.13
4.38
4.6 3

550
600
650
700
750

30.21
38.88
39.06
39.73
39.90

35.21
35.63
35.8 1
36.23
36.40

4.8 1
5.06

'"
lH

154

1.8 1
2.00
2.44
2.8 1
3.19

30.13
30.13
30.13
30.13
30.13

31.75
31.76
31.811
32.0-1
32.15

29.75
29.74
29.62
29.49
29.36

0.13
0.13
0.19
0.25

0.32

3.8 8

32.6
30.13

3
3
33.4 1

29.24
29.11
28.99
28.86
28.74

0.38
0.44
0.5 1
0.57
0.63

33.58
33.88
34.06
34.36
34.53

28.6 1

28.49
28.37
28.25
28.12

0.69
0.75
0.82
0.88
0.94

31.75
3 1.73
31.59
31.46
31.32

0.13
0.14
0.20
0.27
0.34

31.19
31.05
30.92
30.79
30.65

0.4 1

0.47
0.54
0.6 1
0.67

5.44
5.63

Vessel Outside Diameter, 32 Inches, 32 Bolts

50
100
150
200
250

36.13
36.15
36.66
37.17
37.7 1

34.6 3
:f 2.13
34.6533.77 32.13
34.9 1
i.
35.17
' A 3.00
34.21 32.131 " 3.30

35.46

300
350
400
450
500

37.90
38.59
39.20
39.4735.22
40.15

35.65
36.09
36.53
36.72
37.15 35.5

33.75 32.13 1.88
2.13
2.38
2.6 3
2.8 1
3.19
3.50

1
3.7 5

34.732.134.06 4.06
'I41%
4-38
1%
4.56
4
'
1
4.88

3.7 5

34.40
32.1.3

34.04

1

35.03

3

6

COPYRIGHT American Society of Mechanical Engineers
Licensed by Information Handling Services

32.13
33.91

3213


34.13

UNFIRED PRESSURE VESSEL FLANGE DIMENSIONS

Unfired Pressure Vessel Flange Dimensions (Cont.1
Pressure

Outside
Diameter
of
Flange

Diameter
of
Bo1t
Circle

Diameter
of
Bolts

Flange
Thickness
Integral

I

~ooso

Flange
Bore
Loose

Raised
Face
Outside
Diameter

1

1

Vessel
Inside

Vessel
Wall
Thickness Diameter

Vessel Outside Diameter, 32 Inches, 32 Bolts (Cont.)

550
600
650
700
750

40.34
4 1.0 3
41.21
41.90
42.0 8

37.34
37.70
37.96
38.40
38.58

”’

1H

154
SA

30.52
30.39
30.26
30.13
30.00

0.74
0.80
0.87
0.94
1.00

32.75
32.72
32.58
32.44
32.30

0.13
0.14
0.2 1
0.28
0.35

36.59

32.16
32.02
3 1.89
3 1.75
31.61

0.42
0.49
0.56
0.63
0.69

37.60
37.80

3 1.48
31.34
31.2037.29
3 1.07
30.94

0.76
0.83
0.90
0.97
1.0 3

33.75
33.7 1
33.57
33.42
33.20

0.13
0.14
0.22
0.29
0.36

33.14
32.99
32.85
32.71
32.57

0.43
0.50
0.57
0.64
0.72

32.43
32.29
32.15
32.01

0.79
0.06
0.92
0.99

35.72
36.03
36.21
36.52
36.7 1

5.06
5.31
5.44
5.69
5.88

Vessel Outside Diameter, 33 Inches, 32 Bolts

35.24

37.13
2.13
50
37.162.4
100
150 2.6 37.672.88
200
38.19
3.44
3.56
250
38.74

33.13

35.63
35.66
34.70 33.13
4
35.92
36.1935.06 33.13 3.06 3.25
36.49

;’.

300
350
400

36.27 450
500

39.44
39.6 3
40.33
40.52
41.21

35.56 33.13ll& 3.88
36.94
37.13 35.76 33.13 4.19
l%
37.58
1%
37.17
134
38.21

550
600
650
700
750

41.41
42.10
42.29
42.98
43.17

38.41
38.85
39.04
39.48
39.61

5.13
5.44

1.88
34.75
33.13
2.19
9 34.92 33.13

154

3.88
4.19
4.44
4.69
4.94

36.08

5.8 1
6.00

Vessel Outside Diameter, 34 Inches, 32 Bolts

50
38.13
100
38.16
150 2.1 30.602.94
200
39.20
250
39.773.6

3.94
38.62
39.72
40.56

37.91
40.47
300
350 38.17 40.6736.80
41.31
400
39.07 450
42.07
39.27 500
42.27

35.75
36.6 3 34.13 1.88
2.19

36.6635.79 34.13 2.25 2.50
36.93
7
3.19 3.31
37.20 36.08 34.13
37.52
36.27 34.13
3
1’

it

4.00

42.97
550
600 39.9243.1738.17
650 40.3743.07
44.06
700

’”11%’4

1%

4.25
4.56
4.88
5.06

lSh

5.56
5.81
5.94

I*’

37.45
37.65

’’

5 35.93 34.13

3.56
37.12

38.49
38.69

7

COPYRIGHT American Society of Mechanical Engineers
Licensed by Information Handling Services


USA STANDARD

Unfircd Pressure Vessel Flange Dimensions (Cont.1

Pressure

1 , I

Outside Diameter
of
Diameter
of
Bolt
Circle
Flange

Flange
Thickness
Bolts
tntrgrr~
Loose
Of

Loose
Bore

Raised
Vessel
Vessel
Face
Inside
Outside
Diameter Diameter Thickness

Vessel Outside Diameter, 36 Inches, 36 Bolts
50
100
150
20 0
250

40.13
40.18
40.7 1
41.24
4 1.83

300
350
40 0
450

42.54
42.76
43.47
43.68

500
550
600

44.39
45.10
45.31

38.6 3
38.68
38.96
39.24
39.58

2.2 5
2.5 6
3.06
3.50
3.8 1

1

40.04 36.13 4.19
38.67
40.26 38.88 l'A
liA
40.7 2
1%
39.43
40.93
1%
41.39
4 1.85
42.06

1' A
lH

1%

2.00
2.38
2.88
3.31
3.1 5

36.13
36.13
36.13
36.13
36.13

4.19
4.44
4.75
5.00

37.75
31.81
37.96
38.11
38.33

39.22
39.77
40.10
40.31

5.3 1
5.56
5.75

35.75
35.69
35.54
35.39
35.24

0.13
0.15
0.23
0.31
0.38

35.09
34.93
34.78
34.63

0.46
0.53
0.61
0.68

34.49
34.34
34.19

0.76
0.83
0.91

37.75
37.68
37.51
31.35
37.19

0.13
0.16
0.24
0.32
0.40
0.48
0.56
0.64
0.72

Vessel Outside Diameter, 38 Inches, 36 Bolts

39.99

38.13

39.82

42.13
40.63 38.13 I2.00

50
39.75
/c
38.13100 2.50 42.202.69
40.70
42.74
3.06 150
3.25
40.99
43.27
41.27
rL
20 0
43.89 40.39 41.64
38.13
13.94
250

?

2.31
3.6 3
4.00

3.50 40.15 38.13

300
350
40 0
450

44.62 40.74 42.1238.13
42.59
41.09
45.34
42.8 1
45.56
43.29
46.29

14.38
1%
1!4
1 3 ~

4.38
4.69
5.00
5.3 1

41.31
41.66

37.03
36.88
36:72
36.56

50 0
550

47.0 1
47.23

1%
1%

5.56
5.8 1

42.0 1
42.23

36.40
36.24

0.80
0.88

38.75
38.67
38.50
38.34
38.17

0.13
0.17
0.25
0.33
0.41

0.50
0.58
0.66
0.14
0.82
0.90

43.76
43.98

Vessel Outside Diameter, 39 Inches, 36 Bolts
39.19

50
2.50
100
150
20 0
250

43.13
43.58
44.12
44.69
44.92

300
350
400
450

45.65
46.38
47.11
41.34

500
550

48.07
48.30

41.63 39.19
40.75
41.83
42.12
42.44
42.67

p

2.00

2.31
2.75
A 41.003.3 139.19
1 3.56
3.69
14.00
4.06

43.1541.78 39.191iA 4.50
1%
43.6 3
42.4944.1 1
44.34
1 =A

'"

44.82
45.05

COPYRIGHT American Society of Mechanical Engineers
Licensed by Information Handling Services

1%
1H

3.06

4
41.42

39.19
39.19

1.19

4.44

4.8 1
5.13
5.38

42.72

38.01
37.85
37.68
37.52

5.69
5.94

43.07
43.30

37.36
37.20

42.13


UNFIRED PRESSURE VESSEL FLANGE DIMENSIONS

Unfired Pressure Vessel Flange D i m c n s i m (Coat.)
Pressure

Outside Diameter
Diameter

of
of
Bolt
Circle
Flange

50
100
150
200
250

44.13
44.22
44.1 6
45.30
45.95

42.63
42.72
43.0 1
43.30
43.1 0

300
350
40 0
450

46.69

47.42
47.66
48.40

44.19
44.67
44.9 1
45.40

500

48.63
49.36

45.63
46.11

550

Diameter
of
Bolts

Flange
Thickness

I

Raised
Face

Outside
Diameter

40.19
40.19
40.19
40.19
40.19

41.75
41.84
4201
42.18
42.45

39.75
39.66
39.49
39.32
39.15

0.13
0.11
0.26
0.34
0.42

38.98
38.82
38.65

38.48

0.51
0.59
0.68
0.76

~ooro
Vessel Outside Diameter, I lncbes, 40 Bolts
lntrgrrl

Vessel
Vessel
Wal
Inside
Diameter Thickness

Flange
Bore
Loose

1

2.38
2.8 1
3.38
3.75
4.19

1

4.56

1 ‘4
”

5.50

42.8 1
43.17
43.41
43.77

15

5.75
6.00

44.00
44.36

38.32
38.15

0.84
0.92

43.15
43.86
44.04

44.26
44.63

41.75
41.64
41.46
41.29
41.11

0.13
0.18
0.27
0.36
0.45

44.88
45.26
45.63
45.88
46.25

40.93
40.76
40.58
40.41
40.23

0.53
0.62
0.71

0.80
0.88

46.75
46.88
47.07
47.33
47.72

44.75
44.62
44.43
44.24
44.05

0.13
0.19
0.29
0.38
0.48

47.99
48.38
4.77
49.04

43.86
43.67
43.48
43.29

0.51
0.61
0.76
0.85

48.19
49.15
48.19 47.75 49.75
49.81
49.91
48.19
50.11

41.75

0.13
0.13
0.15
0.20
0.31

74

”’

2.06
2.6 3
3.19
3.69

4.13

Vessel Outside Diameter, 42 Inches, 40 Bolts

50
100
150
200
250

46.13
46.6 1
47.16
47.76
48.5 1

44.6 3
44.86
45.16
45.5 1
46.0 1

300

48.76
49.5 1
50.26
50.50
51.25

46.26
46.16
41.26
4 7.50
48.00

350
400
4 50
500

1
1

2.38
2.94
3.50
3.9 4
4.38

1%

4.15
5.06
5.44
5.69
6.00

s/

$

7
’

’”
l’
1’4

2.06
2.69
3.31
3.8 1
4.31

42.19
42.19
42.19
42.19
42.19

Vessel Outside Diameter, 45 Inches, 44 Bolts

50
100
150
200
250

49.13

49.6 3
50.20
50.83
5 1.60

41.63
47.88
48.20
48.58
49.10

300
350
400
4 50

51.87
52.63
53.40
53.66

49.37
49.88
50.40
50.66

8

2.13

43.50
4.06
1
1I 4
1
lU
1”

2.50
3.13
3.69
4.19
4.6 3

2.88
4.6 3

45.19
45.19
45.19
45.19
45.19

5.00
5.38
5.75
6.00

Vessel Outside Diameter, 48 Inches, 18 Bolts.
25

50
15
100
150

52.13
52.13
52.18
52.66
53.24

50.63
50.6 3
50.68
50.9 1
51.24

s

h2.25

2.56
2.25 2.56
48.19 2.69 2.94
3.3148.19 3.06
?4
3.88
3.1 5

:f

c

9

COPYRIGHT American Society of Mechanical Engineers
Licensed by Information Handling Services

47.69
41.59
47.39


USA STANDARD

Unfired Pressure Vessel Flange Dimensions (Cont.)
Pressure

Outside Diameter
Diameter
of
Bo It
of
Circle
Flange

Diamete,

Flange
Thickness

Of

Bolts

Integral

I

Loose

Flange
Bore
Loose

Raised
Face
Outside
Diameter

Vessel
Vessel
Wall
Inside
Diameter Thickness

Vessel Outside Diameter, 48 Inches, 48 Bolts (Cont.)

52.72

52.19
53.0

200
250
300
3 50
4053.54
0

53.90
54.69
55.47
55.76
56.54

1
1

5 1.65
50.81

4.3 4.38
4.88

1v4
1 3h

1

1

5.63
6.00

55.13
55.13
55.20
55.68
56.28

200
250
55.83 300
56.38
350

54.73
56.98
57.78
58.58
59.38

53.63
53.63
53.70
53.93
54.28

;L

4

1
55.28 53.90 .llh
54.33 1%
54.76
13 4

2.6 3
2.6 3
3.06
3.44
4.13
4.6 3
5.13
5.56
6.00

2.25
2.3 1.
2.8 1
3.25
3.94

51.19
51.19
51.19
51.19
51.19

4.6 3

53.48
51.19

Vessel Outside Diameter,

25
50
75
100
150

58.13
58.13
sa. 22
58.71
59.31

I
56.6 3
h 2.3
56.63
55.75 54.19:L 2.44
56.72
56.96
57.31
'4

200

56.99 250
300

60.05
60.87
61.69

57.80
58.37
58.94

i

1
1%

61.13
6 1.13
6 1.24
61.74

150 60.35 62.35
63.62
200
61.46
63.96
250

59.63
58.75 57.19 :h 2.38

59.6 3
h
59.74 58.86 57.19 3.13
59.99

3

52.75
52.75
52.83
52.93
53.15

50.75
50.75
50.67
50.57
50.35

0.1.3
0.13
0.16
0.22
0.33

50.13
49.92
49.70
49.49

0.43
0.54
0.65
0.75

53.75
53.75
53.65
53.54
53.31

0.13
0.13
0.17
0.23
0.34

53.08
52.85
52.63

0.46
0.57
0.69

56.75
56.75
56.64
56.5 1

0.13
0.13
0.18
0.24

56.27
56.03
55.79

0.36
0.48
0.60

54 Inches, 52 Bolts

2.69
1
2.69
3.00
3.25
3.6 3
3.38
4.3 56.19
1 54.194.19

55.75
54.19
54.19
54.19

4.856.55
1 54.194.88
5.38
5.8 1

Vessel Outside Diameter,

25
50
75
100

0.41
0.5 1
0.6 1
0.7 1
0.8 1

51 Inches, 48 Bolts

Vessel Outside Diameter,

25
50
75
100
150

51.51
5 1.92

47.18
46.98
46.78
46.58
46.38

50.40
48.19

55.85
55.96

57.44

57 Inches, 56 Bolts

2.75
2.8 158.75
57.192.56
3.38
58.99
3.81 57.19 3.56

59.23 57.19' h 4.38 4.50
6 1.12 59.75 57.19
1 5.13 5.13
60.08
1 1h
5.63

Vessel Outside Diameter, 60 Inches, 60 Bolts

60.19
60.19

3.25

2.50

2.88 2562.63 64.13
64.13
50 62.63
75
3.50
62.88
64.63
100 63.0 64.76

!
i
?4

6 1.75

61.76 60.19 2.69 2.94

1 4.00

62.0160.19 3.75
10

COPYRIGHT American Society of Mechanical Engineers
Licensed by Information Handling Services

59.75
59.74
59.62
59.49

0.13

Q.13
0.19
0.26


UNFIRED PRESSURE VESSEL FLANGE DIMENSIONS

Unfired Pressure Vessel
Pressure

Outside Diameter Diameter
of
Diameter
of
Bolt
of
Bolts
Circle
Flange

Flange Dimensions (Cont.1

Flange
Thickess

I

~ntrgra~ ~ o o r r

Flange
Bore
Loose

Raised
Face
Outside
Diameter

Vessel
Vessel
Wall
Inside
Diameter Thickness

Vessel Outside Diameter, 60 Inches, 60 Bolts (Cont.)

150
62.82 200
250

65.83
66.69
67.55

63.58
62.33 60.191 4.56
64.19
114
64.80
1%

4.69
5.38
5.94

63.30

59.23
58.98
58.73

0.38
0.51
0.64

64.75
64.77
64.90

62.75
62.73
62.60

0.13
0.13
0.20

62.46
62.20
6 1.93

0.27
0.40
0.54

65.75
65.72
65.58

0.13
0.14
0.21

65.44
65.16
64.88

0.28
0.42

0.56

70.79
70.94

68.75
68.71
68.56

0.13
0.15
0.22

7 1.09
7 1.50

68.41
68.12
67.83

0.29
0.44
0.59

Vessel Outside Diameter, 63 Inches, 60 Bolts

25
50
75

67.13
67.14
67.6 5

65.63
65.64
65.90

2.88
3.06
3.69

2.50
2.8 1
3.38

63.19
63.19
63.19

100
150
200

68.16
68.89
69.76
65.89

66.1665.04 63.19

' b 3.88 4.13
66.64
1 4.8 4.88
67.26
1
5.56

1

65.3963.19

4

%

Vessel Outside Diameter,

25
50
75

70.13
70.16
70.67

68.63
68.66
68.92

100

150
200

7 1.19
7 1.94
72.84

69.19 68.06 66.19
'4 4.06 4.31
69.69
68.44 66.191 5.06 5.06
70.34 68.96 1 '4
5.75

2

3.00
3.19
3.8 1

66 Inches, 64 Bolts

2.56
2.9 4
3.56

5/.

73.13
7 3.17

13.69

7 1.63
7 1.67
7 1.94

100
150
200

74.21
75.00
75.9 1

72.21
' A69.254.25 4.50
1 69.255.25 5.25
7 2.75
73.41 72.03 1 l4
6.00

5

b
%

3.0 670.75
69.252.63
3.00
3.31

3.69
4.00

Vessel Outside Diameter,

25
50
75

76.13
76.18
76.7 1

74.63
74.68
74.96

100
150

17.24
78.05

75.24
75.80

1

67.75
67.78

67.92

69 Inches, 68 Bolts

Vessel Outside Diameter,

25
50
75

66.19
66.19
66.19

69.25
69.25

72 Inches, 72 Bolts

54
%

3.13
3.50
4.13

2.69
3.13
3.8 1

72.25
7 2.25
12.25

73.75
73.8 1
1 3.96

7 1.75
7 1.69
71.54

0.13
0.15
0.23

'b

4.6 3
5.50

4.38
5.50

72.25
72.25

74.11
14.55

7 1.39
7 1.08

0.31
0.46

11

COPYRIGHT American Society of Mechanical Engineers
Licensed by Information Handling Services


USA STANOARD

Unfired Pressure Vessel Flange Dimensions (Cont.1
Pressure

Outside Diameter
of
Diameter
Bolt
of
Circle
Flanp

Diameter
of
Bolts

'

Flange
Thickness
~ntogrr~ ~oorr

I

Bore

Loose

Raised
Face
Outside
Diameter

Vessel
Inside

Vessel
Wall
Thickness Diameter

Vessel Outside Diameter, 75 Inches, 72 Bolts

25
50
15

19.13

19.20
19.13

100
150

80.26'
8 1.10

-

11.63
11.70
77.98
18.26
18.85

'A

1

3.13
3.6 3
4.31

2.69
3.25
4.00

15.25

15.25
15.25

16.15
16.82
76.98

14.15
14.68
14.52

0.13
0.16
0.24

4.8 1
5.69

4.56
5.69

15.25
15.25

11.14
11.60

14.36
14.04

0.32
0.48

Vessel Outside Diameter, 73 Inches, 76 Bolts

25
50
15

8 2.13
82.21
82.15

80.63
80.1 1
8 1.00

100
150

83.29
84.66

8 1.29
82.16

I

b

3.19
3.1 5
4.44

2.1 5
3.44
4.13

78.25
18.25
18.25

19.15
19.83
80.00

11.15
11.61
11.50

0.13
0.11
0.25

?L

4.9 4
5.94

4.15

5.94

18.25
78.25

80.17
80.18

11.33
11.00

0.33
0.50

81.25

82.15

80.15

81.25
81.25

83.02
83.19

80.48
80.31

0.13

0.11
0.26
0.35

2

1'A

Vessel Outside Diameter, 111 Inches, 80 Bolts
25
50
15
100

85.13
85.22
85.11
8 6.32

$

8 3.6 3
83.12
84.02
84.32

2.0 1
3.56
4.31
4.9 4

3.31
80.65 82.853.8881.25
4.56
5.13
I

Vessel Oukide Diameter, 84 Inches, 84 Bolts
25
50
15
100

88.13
88.23
88.79
89.34

8

86.6 3
86.13
81.04
87.34

0.13
2.8 03.15
3.38
85.1584.25 8
3.69

4.00
4.15
4.44
5.13
L
5.25

84.25
84.25
84.25

85.86 0.18 83.64
86.04 0.21 83.46
86.22 0.36 83.28

Vessel Outside Diameter, 87 Inches, 84 Bolts

25
50
15
100

91.13
9 1.25
9 1.8 1
92.31

89.63
89.15
90.06

90.37

I

A

1
?L

3.38
4.13
4.88
5.44

81.25
2.88
0.19
3.8 86.63
1 88.8787.25
4.63 89.06 87.25
81.25
5.3 1

88.15

86.15

0.13

89.24

86.44
86.26

0.28
0.37

91.15
91.88
92.08
92.21

89.15
89.62
89.42
09.23

0.13
0.19
0.29

Vessel Outside Diameter, 90 Inches, 88 Bolts
25
50
15
100

94.13
94.26
95.20

95.39

92.63
92.16
9 3.20
93.39

2.94
3.94
4.69
5.50

3.44
4.25
5 .OO
5.56

12

COPYRIGHT American Society of Mechanical Engineers
Licensed by Information Handling Services

90.25
90.25
90.25
90.25

0.38

UNFIRED PRESSURE VESSEL FLANGE DIMENSIONS

Unfind
Pressure

Outside Diameter
Diameter
of
Bolt
of
Circle
Flange

Pressure Vessel Flange Dimensions (Cmnt.1
Diameter
of

Flange
Thickness
lntrgrrl

[

Loose

'

Raised
Face
Outside

Diameter

Bore
Loose

Inside

Vessel Vessel
Wal
Thickness Diameter

Vessel Outside Diameter, 93 Inches, 92 Bolts

25
50
75
100

97.13
97.65
98.22
98.42

95.63
95.90
96.22
96.42

SL3.00

ic

;b
b

3.50
4.31
5.13
5.7 5

95.29

92.75
9260
9 2.40
92.21

0.13
0.20
0.30
0.40

97.75
97.91
98.ii
98.4 1

95.75
95.59
9 5.39

95.18

0.13
0.20
0.31
0.41

100.92
101.44

98.75
98.58
98.37
98.16

0.13
0.2 1
0.32
0.42

103.75
103.94
104.15

10 1.75
10 156
10 1.35

0.13
0.22

0.33

1-04.75
104.55
104.33

0.13
0.22
0.34

107.75
107.54
107.31

0.13
0.23
0.35

110.75
110.53
110.29

0.13
0.24
0.36

93.25
4.00
93.25
4.88 95.10 93.25

93.25
5.69

94.75
94.90

Vessel Outside Diameter, 96 Inches, 96 Bolts

25
50
75
100

100.13
100.66
101.24
10 1.91

98.63
98.9 1
99.24
9 9.66

2

3.06
4:13
5.00
1

3.56
4.44
7b
Si25
1 5.8 5.94
.-

96.25
96.25
96.25
96.25

Vessel Outside Diameter, 99 Inches, 96 Bolts

25
50
75
100

103.13
103.67
104.26
104.94

10 1.63
101.92
102.26
102.69

8

1

L5.19

3.6 3
4.56
5.44

3.06
4.25
6.00

100.75
99.25
99.25
1.13
99.25
10
99.25

Vessel Outside Diameter, 102 Inches, 100 Bolts

25
50
75

106.13
106.69
107.28

3.13
4.38
5.31

3.69
4.69
5.56

104.63
104.94
105.28

102.25
102.25
102.25

Vessel Outside Diameter, 105 Inches,

25
50
75

109.13
109.70
110.30

3.75
4.8 1
5.69

107.6 3
107.95
108.30

3.19
4.50
5.50

104 Bolts

105.25
105.25
105.25

Vessel Outside Diameter, 108 Inches, 108

25
50
75

112.13
112.7 1
113.32

110.63
110.96
111.32

L

3.7 5
4.94
5.8 1

3.25
4.63
5.63

108.25
108.25
108.25

106.75
106.95
107.17
Bolts

109.75
109.96
110.19

Vessel Outside Diameter, 111 Inches, 108 Bolts

25
50
75

115.13
115.72

116.34

113.63
113.97
114.34

$5.81
L

3.8 1
5.06
5.94

3.38
4.75

13

COPYRIGHT American Society of Mechanical Engineers
Licensed by Information Handling Services

111.25
111.25
111.25

1.12.75
112.97
113.21

USA STANDARD

Unfired Pressure Vessel Flange Dimensions (Cent.)
Pressure

Outside Diameter
Diameter
of
of
Bolt
Circle
Flange

Diameter
of
Bolts

Flange
Thickness
Intelrrt

I

Flange

Loose

Raised
Face
Outside

Diameter

Vessel Vessel
Inside BoreWall
Diameter Thickness

Vessel Outside Diameter, 114 Inches, 112 Bolts

25
50
75

118.13
118.74
119.35

116.6 3
116.99
117.35

4.88

2' h

3.88
5.19

3.44
5.94

VesselOutsideDiameter,

25
50

121.13
121.75

3.9 4
5.3 1

119.63
120.00

114.25
114.25
114.25

115.75
115.99
116.23

113.75
113.51
113.27

0.13
0.24
0.36

118.75
119.00

116.75
116.50

0.13
0.25

119.74
119.49

0.13
0.26

117 Inches, 116 Bolts

3.50
5.00

117.25
117.25

Vessel Outside Diameter, 120 Inches, 120 Bolts

25
50

124.13
124.76

122.63
123.01

3.63
5.13

4.06
5.44

14

COPYRIGHT American Society of Mechanical Engineers
Licensed by Information Handling Services

120.25
120.25

121.76
122.01


USA STANDARDS FOR PIPING.
PIPE FLANGES AND FITTINGS

TITLE

OF

STANDARD

Pipe Threads(Except Dryseal)....................................................................................................
82.1-1968
Dryseal PipeThreads ....................................................................................................................
B2.2-1968
HoseCoupling Screw Th&ads ....................................................................................................
B2.4-1966
Cast-Iron Pipe Flanges & Flanged Fittings
2 5 , 125, 250, 800 lb ....................................
B16.1-1967
Malleable-Iron Screwed Fittings 150 and300 lb ..................................................................
B16.3-1963
Cast-Iron Screwed Fittings 125 and 250 lb ..........................................................................
B16.4-1963
Steel Pipe Flanges and Flanged Fittings
150, 300, 400, 600, 900, 1500, and
Z O O l b (with Appendices) ..................................................................................................
B16.5-1968
Wrought SteelButtwelding Fittings ............................................................................................
B16.9-1964
Face-to-Face Dimensions of Ferrous Flanged and Welding End Valves ..............................
B16.10-1957
Forged-Steel Fittings, Socket Weldingand Threaded ..............................................................
B16.11-1966
Cast-Iron Threaded Drainage Fittings ........................................................................................
816.12-1965
Ferrous Pipe Plugs, Bushings, and Locknuts with Pipe Threads..........................................
B16.14-1965
Cast-Bronze Screwed Fittings 125 and250 lb ......................................................................
B16.15-1964

B16.18-1963 with 1967 Addendum
Cast-Bronze Solder-Joint P r e s s u r e Fittings ..........................................
Ring-Joint Gaskets and Grooves for Steel Pipe Flanges ........................................................
B16.20-1963
Nonmetallic Gaskets for Pipe Flanges ......................................................................................
B16.21-1962
Wrought-Copper and Wrought-Bronze Solder-Joint Pressure Fittings......................................
B16.22-1963
Cast-Bronze Solder-Joint Drainage Fittings ..............................................................................
B16.23-1969
Bronze Flanges & Flanged Fittings 150 and 300 lb ................................................................
816.24-1962
ButtweldingEnds .......................................................................................................................... 816.25-1964
Cast-Bronze Fittings for Flared Copper Tubes ........................................................................
B16.26-1967
Plastic Insert Fittings for Flexible Polyethylene Pipe ..........................................................
816.27-1962
Wrought-Steel Buttwelding Short Radius Elbows and Returns ................................................
B16.28-1964
Wrought-Copper and Wrought-Copper Alloy Solder-J0ir.t
Drainage Fittings ..........................
B16.29-1966
Code for Pressure Piping
Power Piping ......................................................................................................................
831.1.0-1967
Fuel Gas Piping...................................................................................................................
B31.2-1968
Petrqleum Refinery Pipink ...................................................................................................
B31.3-1966
Liquid Petroleum Transportation Piping Systems ..........................

B31.4-1966 with 1968 Addendum
Refrigeration Piping ............................................................................
B31.5-1966 with 1%8 Addendum
Nuclear Power Piping ................................................................................... ~ 1 . (February
7
1968 Draft)
Gas Transmission and Distribution Piping Systems ........................................................
B31.8-1968
Wrought-Steeland Wrought-Iron Pipe ..........................................................................................
B36.10-1959
Stainless Steel Pipe ......................................................................................................................
B36.19-1965

-

-

-

-

-

.

Binders for holding standards are available
A complete list of USA Standards published by The American Society of Mechanical Engineers
obtainable upon request

.

COPYRIGHT American Society of Mechanical Engineers
Licensed by Information Handling Services