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8/9/2019 Usas b16.3 Unfired Pess Vessels Flange Dimensions
1/20
U S A S T A N D A R D
Unfired Pressure Vessel
Flange Dimensions
Sponsors
Mechanical Contractors Association
of
America
Manufacturers Standardization Society
of
the
The American Society of Mechanical Engineers
Valve and Fittings Industry
Published
b y
T H E
A M E R I C A N
S O C I E T Y
O F M E C H A N I C A LN G I N E E R S
United Engineering Center
345
East
47th
Street
New
York,
N.Y. 10017
OFFICIAL APPhOVW COPY
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USA STANDARD
This USA Standard
is
one
of
nearly
3000 staqdads
approved a s A merican Standards by
e
American Standards Association. On August
24
1966,
the
ASA was reconstituted as the United
St ate s of America Standards Institute. Standards approved
as
American
Standards
an
now
des i g -
nated USA Standards. There is nochange n their ndex identification
or
technica lcontent .
C op yr i l h t
9 1969 b y
T H E A M E R I C A N
SOCIETY O F
M E C H A N I C A L E N G I N E E R S
Printed in U. S. A.
ii
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USASTANDARDS COMMITTEE
816
STANDARDIZATIONOF P I P E FLANGES
AND
FITTINGS
O F F I C E R S
L. H. Carr, Chainncn R. V. Wanick, Secretary
STA N D A R D S C O MMI TTEE
(os of April, 1966)
AIR CONDITIONING AND REFRIGERATION INSTITUTE
R
A.
Groy Jr.
Mueller Br as s Co.. Po rt Huron, Mich.
M.
W. Gorlond,
Fr ic k Company, Wayneaboro, Pa.
f 1. Reed , Alternate
Air Conditioning
h
Refrigeratio n Institut e, Arlingto n, 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
America n Bureau of Shipping, New York, N.Y.
AMERICAN GAS ASSOCIATION
J. H
Miller
Public Service
Electric
& Ga s Co., Newark, N.
J.
M.
Milden Alternate
American Ga s Associati on , 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
Eng ine ering Co., F lorham Park , N.J.
J. 0.Mmney Alternate
Ameri can Petro leum Insti tute , New Yo&, N.Y.
Division of Production
H
H List
Shell Pipeline
Corp..
Houston, Texas
J. E. Ubben
Alternate
American Petroleum Institute, Dallas, Texas
AMERICAN
SOCIETY
O F HEATING, REF RIGERATING AND AIR-CONDITIONMG ENGINEERS
tC. W.
Hudzietz
Henry Valve Co., New York, N.Y.
AMERICAN SOCIET Y O F MECHANICAL ENGINEERS
H A. Hoffer
Consultant, Havertown, Pa.
J . T. Plmstrom
Cons olida ted Edis on Co. of N.Y.
Inc.,
New York, N.Y.
Arthur Roberts
Jr . Lynchburg Foundry, Lynchburg, Va.
R V. Worrick
Manufactur ers Standardiz ation 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
V
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AMERICAN SOCIE TY FOR TESTING AND MATERIALS
J.
E. Lotion Taylor Forge & Pi pe Works, Chicago, Ill.
AMERICAN WATER WORKS ASSOCIATION
W.
J. Burns
Dept. of Water & Power, Los Angeles, Calif.
M.
C. Todd Bur. of Engng ., Chicag o, 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 Inst i tu te, 750 Third Aven ue, New York, N.Y.
E.
C. Pandorf
Cincinnati
Gas
& Ele ctr ic Co., Cincinnati, Ohio
CAST IRON P I P E RESEARCH ASSOCIATION
W.
T.
Miller The Ca st Iron Pipe Research Assn., Chicago, Ill.
COP PER DEV ELOP MEN T ASSOCIATION, INC.
A. 1. Hcim
Copper Deve lopmen t Assoc iation , Inc., NewYork,
N.Y.
C.
H Ellwonger Alternate
Copper Devel opment Assoc iation, 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 INSTIT UTE, THE
W. c. Orborn,
Goulds Pumps, Inc., Sen eca Fal ls, N.Y.
INSTRUMENT SOCIETY O F AMERICA
C. A Prior E. I. duPont deNemours & Co., kc ., 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. duP ont deN emo urs Co., Inc., Wilmington, Del.
Meode McArdle
Olin Mathie son Chem ical Corp., New Haven, Conn.
MANUFACTURERS STANDARDIZATION SOCIETY O F T H E VALVE AND FITTING S INDUSTRY
H M. Burns
Stockham Valves & Fi tt in gs , Inc., Birmingham, Ala.
Wm.
Hei l ig
The
Wm.
Powe ll Company, Cincinnati, Ohio
E. C. Petrie
Cran e Co., 4100
So.
Kedzie Ave., Chicago, Ill.
C. H Simon
Dar ling Val ve Mfg. Co., Williamsport, Pa.
MECHANICAL CON TRACTORS ASSOCIATION OF AMERICA, INC.
E. Thomson Best Frank A. McBride Co., P ate rso n,
N.
J.
P .
A. Bourquin
Wolff & Munier, Inc., New York, N.Y.
L.
B. K r o m e r 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 OF PLUMBING CONTRACTORS
W. J. Murphy
J. L.
Murphy, In c . New York, N.Y.
NATIONAL ASSOCIATION OF REF RI GER ATE D WAREHOUSES
A. W. Ookley Hudson Refrigeratio n Co., Je rse y Cit y, N.J.
NATIONAL AUTOMATIC SPRINKLER & FI RE CONTROL ASSOCIATION, I N C
J. R . Welshman
Gr ime ll Corp., Providence,
R.I.
v i
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NEW ENGLAND WATER WORKS ASSOCIATION
J. Porter Hennings Portlan d Water District. Portland, Me.
F
J Turnbull Fay, Spofford Ik Thorndike, Inc., Boston, Mass.
PIPE FABRICATION INSTITUTE
A. B.
Donkerslcy
Grinnell Corp., Provid enc e, R.I.
RUBBER MANUFACTURERS ASSOCIATION
Richard G. Rcmsdell Par ker Sea l Company, Cul ver City, Calif.
Will iam
Johnson
Alternate Goshe n Rubber Co., Inc., Goshen , Ind.
SOCIETY
O F
NAVAL ARCHITECTS AND MARINE ENGINEERS
A. N.
Norter American Bureau
of
Shipp ing, New York, N.Y.
SOCIETY
OF
PLASTICS ENGINEERS, INC.
Fronk
W
Reinhart Silver Spr ing , Md.
Bryce N. Batrer Plasti l ine, Inc., Pompano Beach, Fla.
Col in C. Conpbell Alternote Society
of
Plastics Engineers, Inc., Stamford, Conn.
SOCIETY
OF
THE PLASTICS INDUSTRY, TH E
D.
W. Boird Cabot
Corp.,
Santa Ana, Calif.
C. R. Owen R 8s G Sloane Manufa cturing Div., West Caldwe ll, N.J.
Fronk
W.
Reinhort
Silver Spr ing, Md.
U.S. COAST GUARD
Lt. J.
L. Howard U.S. C oa st Guard Headquarters, Washington, D.C.
U.S. DEPARTMENT O F THE NAVY
D. T.
Pepper Naval Ships Engineering Center, Washington, D.C.
INDIVIDUAL MEMBERS
L. H. Corr San Luis Obispo, Calif.
D K.
Greenwold Ladish Co., Cudahy.
Wis.
J. H. Rickermon The
M.
W Ke llogg Co., New York, N.Y.
vii
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USA STANDARD
UNFIRED PRESSURE VESSEL FLANGE DIMENSIONS
1. Scooe 2.3 L o o s e t y p el a n g e si m i l a ro ASME U P V
1.1 To providedimensions orunf i redpres-
s u r e v e s s e l l a n g e sb a s e d on he ASME Unif ied
c o d e i l l u s t r a t i d n U A 4 8 - l a are l imited to a maxi-
m u m v e s se l w a l l t h i c k n e s s of
0.50
inches.
P r e s s u r e Vessel ( U P V ) c o d e f o r m u la s a n d sp e c i f i - 2.4 W e ld ed -typ e f l a n g e s s im i l a r t o A W E
U P V
c a t i o n s a n d o n p r o p o r ti o n s e s t a b li sh e d
by
d e s i g n
code
i l lus t ra t io n UA 48 -8a a re l imi ted to a maxi-
p r a c t i c e s of m a n y l a r g e in d u s t r i a l u se rs .
mum f lange th ickness of 6 i n c h e s .
1.2 To
p r o v i d en o u g hiz en d r e s su r e
2.5 All
f l a n g e srei m i t e do a bol tiamete r
c h o i c e s o n c l u d e h em a j o r i t y
of
t h ev e s s e l s a n g e
of
5/8
inches hrough
1-5/8
i n c h e s .
used.
1.3 To p r o v id e h e most economica l langes
c o n s i s t e n t w i t ha t i s f a c to r yn s t a l l a t i o nn d
operation.
1.4 To
provide a d e s ig n w h ic h p e r m i t s t h e u se
of
a w id e v a r i e ty of g a sk e t m a te r i a l s .
1.5 To
e s t a b l i shn t e r c h a n g e a b i l i t ym o n g
l o o s e t y p e ( e x a m p l e :
ASME
U P V c o d e i l l u s t r a ti o n
UA-48- la)* and welded-typeexample: ASME
UPV i l lus t ra t io n UA 48 -8a ) for equiva len t vesse l -
d i a m e te r s a n d o p e r a t i n g p r e s su r e s .
2. Sizes,
Pre s s ure s
and L i m i t s
2.1
F l a n g e s f or v e s s e l s w i th o u t s i d e d i a m e t e r s
g iv e n n n c h e s 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, 7 8 , 81, 8 4 , 87,
90,
93, 96, 99, 102, 105,
108, 111, 114, 117 a n d 120
are
l i s t ed for working
pressuresg iven nparagraph2.2and imi ted as
sp e c i f i e d i n p a r a g r a p h s 2.3,
2.4,
a n d 2.5.
2.6 F la n g e s l i s t e d c o v e r t h e r e q u i r e m e n t s f o r
t h e l i s t e d o p e r a t i n g c o n d i t i o n s a n d g a s k e t s e a t -
ing pressure requi rements .
Where f langes are s u b j e c t t o o t h e r s t r e s s e s
s u c h as b e n d in g d u e o w in d
l o d
o n
a
tower or
in uc t work appl ica t ions , stress c a l c u l a t i o n s
m u s t
be
m a d e a n d an appropria te ly heavier f lange
se l e c t e d .
3.
Allowable Stresses
3.1
T h e t a n d a r d sb a s e do n n l l o w a b l e
w o r k i n g s t r e s s
for
t h e f l a n g e
material
o f
13,750
p o u n d s p e r sq u a r e i n c h .
3.2
T h e t a n d a r d
is
b a se do n n l l o w a b le
w o r k i n g s t r e s s
for
t h e v e s se l m a te r i a l o f 11,687
13,750 x
85
percent weld factor) .
3.3
V e s s e l h e l l h i c k n e s s e sa r ec a l c u l a t e d
by the ormulasgiven n he ASME
U P V
c o d e
UG 27
2.2
F l a n g e s f o r v e s s e l s w i t h w o r k i n gp r e s su r e s
in p o u n d sp e rs q u a r e n c h o f
50,
100,
150,
200,
3.4 Mater ia lsw h ic hm a tc h
the
s t r e s s e s u s e d
250,
3oo, 4oo,
450,
550, 6oo
650, 700, inh et a n d a r dn c l u d euch commonly us ed l a t e
750,
a n d 800. 25 a n d 75 p o u n d s p e r sq u a r e n c h
ma te r ia ls a s SA-20 lA, SA-285C, and ba r ma te r ia l
p r e s su r e s a r e i n c lu d e d fo r v e s se l s 4 8 i n c h e s o u t -
A 306 G r a d e
55
in empera ture anges from -20
s id e d i a m e te r a n d l a r g e r .
to
650
F. S o m ea r b o n - s i l i c o nn dta in l e s s
a l l o y s r eh ig h e r n
thes.e
temperature anges.
Where
special
a l loy rempera tureondi t ions
markedly affect t h e s t r e n g th i t w i l l b e n e c e s sa r y
Frrpurnt
reference is
made
to
the ASME Boiler and
Pres-
to
c o n s id e r h i sd i f f e r e n c e n h ec h o i c eo f a
the
initi . ,s
upv
md
to p.mgt.pkr carryiq
the w i r e d i n t h e e s s e l h e l l u t r e o tn c l u d e d
sure
Vessel Code,ection VIII, UnfiredresBure Ves8e ls - f lange .Cor ros ion l lowances renormal ly re-
1965 in thia text. There eferenc es are hsrncterized
by
U A . UG r
U N C . i nh ea l c u l a t i o n s
1
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` ,
` , ,
` - - -
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U S A S T A N D A R D
4. Bolting,Allowabl e Stress andSpecifications
for Bolts and Nuts
4.1 The number of bolts u s e dw a s a k e n
as
t h e l a r g e s t m u l t i p l e of 4 conta ined in the number
of i n c h e s i n t h e o u t s i d e d i a m e t e r f t h e v e s s e l .
4.2 T h e b o l t c i r c l e w a s s e l e c t e d b a s e d o n t h e
fo l lowing cons ide ra t ions .
a )A l e a r a n c e of 1/8 i n c h e s e t w e e n
c e n te r e d g a sk e t a n d c e n t e r e d b o l t s .
b ) N o i n t e r f e r e n c e b e t w e e n o u t s i d e d i a m e t e r
o fwrenc h ocke t n en te red o l t nd oe of
ASME
U P V Code minimum weldonwelded- type
f l a n g e s
UA
48-8a).
c) A
c l e a r a n c e o f
at
l e a s t
1/8
i n c h e s b e
tw e e nc e n te r e dso c k e tw r e n c ha n d h ec o m e r of
the nut on h e n e x t c e n t e r e d bolt.
4.3
T h e s t a n d a r d
is
b a s e d
on
a
maximum bolt
s t r e s s of 20,000 p s i .
B o l t i n gm a te r i a l sw h i c hm e e t h e t r e s s
requi rement nc lude SA-193 Grade
87
for -20 to
8 0 0
F.
4.4 T h e s t a n d a r d
is
b a s e d o n b o l t h R a d i n g
sp e c i f i e d as UNC-2A for 1 inchandsmal le rand
8N-2A for l a r g e rs i z e s . A ll t h r e a d s a s p e r USA
StandardB1.1 . I f o the r hreading is u s e d h e
v a r i a t i o n nn e t f f e c t i v e r o s s e c t i o n a l area
must be cons ide red .
4.5
N u ts o
be A
1 94 C l a s s 2 H
or
e q u iv a l e n t .
T h e u s e o f w a s h e r s
is
o p t io n a l .C le a r a n c e
is
provided or heuse of h i g hs t r e n g t hs t r u c tu r a l
washers ASTM A25 medium ca rbo nte e l ,
quenched and tempered .
4.6 T h e f l a n g e d e s i g n b o l t l o a d i s c a l c u l a t e d
f rom U A
49 formula4w h ic h e c o g n iz e s h a t h e
b o l t s a r e u s u a l l y s l i g h t l y o v e r s i z e a n d p r o v i d e s
a margin aga ins ta b u s e of the lang e from over
bo1 in g.
5. Gaskets
5.1 T h e t a n d a r d sb a s e d on g a sk e t a c to r
r = 2.5 and minimum des ig ne a t i n g stress
y
=
2,900.
5.2 T h e t a n d a r d sb a s e do ng a s k e t sw i t h
in s id ei a m e te r sq u a lo the v e s s e ln s i d e
d i a m e te r sn d u t s id ei a m e te r sq u a loh e
U S A Standard Bl.1 1960Unif iedS c r e w Threads
pub-
neers. New
York
City.
lished by The American
Society
of Mechanical Engi-
o u t s i d e d i a m e t e r
of
t h e r a i s e d
face
w h ic h l e a v e s
a c l e a r a n c e
of
1/8 i n c h e sb e tw e e ng a sk e to u t -
s id ed i a m e t e ra n d n s i d ee d g e of t h ec e n t e r e d
b o l t s .
See
F ig .
1.
5.3
T h e a s i c a s k e t e a ti n gw i d t h
bo
s
t a k e n a s N /2 w i th f l a n g e f a c in g s a s sh o w n in t h e
AShlE UPV C o d e T a b l e U A 49.2
la
a n d b . T h e
e f f e c t i v eg a sk e t e a t i n gw i d t h
b
i s c a l cu l a te d
from the formula
b = 0.5Go
5.4 T h e u s e
of
t h e s es t a n d a r d l a n g e s w it h
o th e r a sk e ty p e se q u i r e sh eol lowing ad-
ju s tm e n t s .
a)
T h e d i m e n s i o n s of t h e a l t e r n a t e g a sk e t
are t o b e a d j u s t e d so that
the
fac tor 2b
x
3.14
G m P
n
U A
49 formula
1
s n o g r e a t e r th a n i t is
when r =
2.5
as u se d i n t h i s s t a n d a r d .
b ) T h e d i m e n s i o n s of t h e a l t e r n a t e g a s k e t
are to
be
a d j u s t e d
so
tha t he minimum in i t i a l
bol t oad equi red o seat the g a s k e t a s deter-
mined by
UA
49 formula 2 ( W m z = 3.14bCy) is no
g r e a t e r t h a n it
is
when
y =
2;900 a s u s e d in t h i s
s t a n d a r d .
c) T h e d i a m e t e r of the a l t e r n a t e g a s k e t is
to b ea d j u s t e d so t h a t
h , ,
t h e a d i a ld i s t a n c e
from theg a sk e t o a d e a c t i o n to t h e b o l t c i r c l e ,
is no
grea te r than tha t used in th is S tandard . (See
5.3
w h i c h e s t a b l i s h e s b w h ic h d e t e r m in e s h c ) .
a)
T h e d i m e n s i o n s of t h e g a s k e t a r e t o b e
a d j u s t e d as required by t h e n a t u r e of t h e g a s k e t
c o n t a c t u r f a c e s as' sh o w n n
Table
UA 49.2
w h ic h d i c t a t e s
bo, b
a n d
k.
e ) A d d i t i o n a l t h i c k n e s s
is
to be a d d e d t o
th e l a n g e h i c k n e s sg iv e n n this s t a n d a r d
to
c o m p e n s a t e
for
mate r ia l emovedwhenmachin-
in g f o r r i n g j o int o r t o n g u e a n d g r o o v e g a sk e t s .
Notehatn all
cases
f o ro o se - ty p e
f l a n g e s ,Fig. UA-48
1
r e q u i r e s h a t hc b e a k e n
a tmid-poin t
of
c o n ta c tb e tw e e n l a n g ea n d a p
in d e p e n d e n t f a sk e to c a t i o n .T h i sm u s t e
c o n s id e r e d i n c h o o s in g a l t e r n a t e g a sk e t in g to
be
s u r eh a ta s k e ti a m e t e r sn di d t h sr e
a p p r o p r i a t e ly e s t a b l i sh e d .
When sp i ra l -w ound type gaske ts a re used ,
the fo l lowing propor t ions
are
recommended:
O u te rg u id e i n go u t s id ed i a m e te r
(O.D.)
e q u a l
b o l t c i r c l e ( B . C . ) m in u s o n e b o l t d i a m e te r .
G a s k e t
O.D.
maximum e qua l r a ised face diameter
minus
/1
nch.
G a s k e tn s i d e i a m e t e r
(I.D.)
maximum equal
g a s k e t O.D. m in u s 1 nch.
2
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8/9/2019 Usas b16.3 Unfired Pess Vessels Flange Dimensions
8/20
OUTSIDE DIAMETER OF FLANGE
I
~
DIAMETER OF BOLT CIRCLE
I
VESSEL OUTSIDE DIAMETER
FLANGE BORE, INTEGRAL
BOLT DIAMETER PLUS
1 a
INCH
FLANGE THICKNESS,
INTEGRAL (Not including
Height
of
Raised
Face)
Minimum
for
Assembly
WELDING REQUIREMENTS
PER ASME CODE
SECTION Vl ll
but not to exceed
Bore for
loose type)
INTEGRA L TYPE FLANGE
(SAME
AS
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 ( l a )
ASME CODE SECTION VIII)
Figure1.
3
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9/20
U S A S T A N D A R D
G a s k e t
I.D.
minimum equalg a s k e t
O.D.
minus
1 i n c h e s u t e v e r less t h a n e s se l I.D.
p l u s % inch.
I n n e r r i n g L D . maximum equa l gask e t I.D. m in u s
4 Inches.
Inner ing
I.D.
minimum equa lv e s s e l I.D. p l u s
2, i n c h e s .
5.5 'In case
o f d o u b t t
is
recommended ha t
thegaske tmanufac ture r be c o n t a c t e d od e t e r
m i n ea s k e th a r a c t e r i s t i c sn dp p l i c a t i o n
recommenda t ions .
6. Marking
3 .
6.1
Each f l a n g eh a l l et a m p e d
on
t h e
e d g e w i thigures o t
less
t h a n
%
i n c h i g h
w h ic h g iv e s t h e f o l l o w in g in f o r m a t io n :
a) V e s s e l o u t s i d e d i a m e t e rn i n c h e s .
b)
D e s i g np r e s su r e np o u n d sp e rs q u a r e
inch.
c)
O p e r a t i n g t e m p e r a tu r e l im i t s i n d e g r e e s
F.
a)
Flan ge m ate r ia l spec i f ica t io n number .
e) Manufacturers name or trademark.
7. General Considerations
7.1 A sse m b lyleara nce s for loose- type
f l a n g e sw e r ec h o s e n as 0.06 i n c h e s f o r f l a n g e s
up
to
39 i n c h e s s e l u t s i d e i a n e t e r ,
0.09
i n c h e s f o r
39
i n c h e s t h r o u g h 66 i n c h e s a n d 0 . 1 3
i n c h e sb o v e
66
i n c h e s ;l l i v e n
as
r a d iu s
c l e a r a n c e s . ( T h e d i f f e re n c e s b e t w e e n f l a n g e n -
s i d ed i a m e t e ra n dv e s s e lo u t s i d ed i a m e t e r are
0.13
i n c h , 0.19 i n c h a n d 0.25 inch, respectively. )
7.2 T h e c o n t a c t i n g faces b e t w e e n h e o p of
t h e l o o s e t y p e f l a n g e and the
bottom of
t h e v e s -
sel l a p m u s t b o th be machined to as su re uni form
f l a n g e
to
l a p c o n t a c t . A l so t h e t o p
of
the v e s s e l
lap f l a n g em u s t be machined or n i formi ty
of
gaske toading . heop ,nnero m e r
of
t h e
l o o s e t y p e f l a n g e
is
t o be machined with
a
b e v e l
o r a d i u s to a v o i db e a r in g
on
t h e a d i u so f h e
v e s se l - l a p c o n n e c t io n .
7.3
To assure
sa t i s f a c to r y p e r a t i o n , a r e
m u s t be t a k e n n h e w e l d i n ga n dm a c h i n i n g
of
t h e l a n g e , h ec h o i c e of t h ep r o p e rg a sk e ta n d
th e i n a la s s e m b l y of g a sk e ta n d l a n g e s .B o l t s
sh o u ld be t i g h t e n e d to the p r o p e r o a d in g a n d
a
p r o p e r s e q u e n c e of t i g h t e n in g sh o u ld
be
observed.
7.4 In
all
cases bolt c i r c l e i a m e te r s re
k e p t
as
s m a l l a s p o ss ib l e o n s i s t e n tw i t h e -
q u i r e d r e n c hl e a r a n c e s and g a sk e t i d th s
a d e q u a t e f o rh a n d l in ga n dsaf ety from blowout.
T h i s m i n i m i z e s the moment
ann h~
a n d r e d u c e s
t h e h i c k n e s s o f t h e l a n g e , h u s s s u r i n g n
economical design.
7.5 A la r g e e l e c t i o n f e s s e l sizes and
d e s i g n r e s s u r e s
s
g iv e n . T h i s permits e a c h
u s e r to cho ose f rom the a rgen u m b e rg iv e n a
smal le r group whichw i l l o v e r i s a r t i c u l a r
needs ndw h ic hwill f ford maximum econom y
a n d s t a n d a r d i z a t i o n .
7.6 H u b t y p e l a n g e sw h i c hw o u l d l i po v e r
t h e o u t s i d e
of
t h e v e s s e l a n d be u s e d
as
a loose-
type lang e F ig . UA-48
2
a n d
3
werenot n-
c l u d e d n h i s s t a n d a r d s i n c e w r e n c h c l e a r a n ce s
requiredb y t h e e x i s t e n c e of t h e h u b f o r c e d h e
bolt circle o u t a n d m a t e d a l l y i n c r e a se d t h e size
o f t h e flange. W e ld in gneck langesw h ic hh a v e
t h e
same
i n s id e d i a m e te r
a s the
v e s s e l a n d b u t t
w e ld t o t h e v e s se l w a l l a r e e sp e c i a l l y d e s i r a b l e
a n d f i n d w id e a p p l ic a t i o n n h e h ig h e r p r e s su r e
a n d t e m p e r a t u r e r a n g e s
7.7 ASME U P VCo de UA-48, paragraph 3,
p e r m i t s l a n g e sw h ic h are w e ld e d
to
the v e s s e l
to
be s i z e da c c o r d i n g
to
the l o o se - ty p e l a n g e
c a l a d a t i o n srov ide d none . ofh eo l lo w in g
v a l u e s is e x c e e d e d . go = 2 inch; B g o = 300;
P =
300 p s i ; p e r a t i n ge m p e r a tu r e
= 700
F.
go = t h i c k n e s s o f t h e h u b
at
t h e s m a l l e n d
(in
t h i s case t h e v e s se l w a l l t h i c k n e s s ) ;
B
= i n s i d e
d i a m e te r
of
t h e f l a n g e ( i n h i s
case
t h e v e s s e l
ins ide d iamete r ) ;
P =
d e s ig n p r e s su r e , p o u n d s p e r
s q u a r en c h .T h e s e p t i o n @ l a n g esw e r e o t
included.
4
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8/9/2019 Usas b16.3 Unfired Pess Vessels Flange Dimensions
10/20
UNF IRE D P RE S S URE
VESSEL
F L A N G E D I ME N SI O NS
Unfired Pressure Vesse l Flange Dimensions
Outside
Diameter
lnt@g18l
I
~ o o t r
B ol ts
C i r c lelange
Bolt
of
iameter
Diameter
iameter
F l a n e e
Vesse l
esse l
Raiseda c e
lange
Pressure
of
of
Wall
nside
orehickness
Outside
Thickness
iameter
50
100
150
200
250
300
350
400
4 0
500
550
600
650
700
750
80
50
100
150
200
250
300
350
400
450
50
550
600
650
700
7 0
50
100
150
200
250
30.13
30.13
30.58
31.07
31.18
31.68
32.34
32.49
33.14
33.30
33.95
34.10
34.75
34.90
35.55
35.70
31.13
31.13
3 .59
32.08
32.57
32.72
33.38
33.54
34.20
34.86
35.0 1
35.67
35.8 3
36.48
36.6 4
32.13
32.13
32.6 1
33.10
33.22
28.63
28.63
28.83
29.01
29.18
29.43
29.84
29.99
IO.39
30.55
30.95
31.10
31.50
31.65
32.05
32.20
29.63
29.63
29.84
30.08
30.32
30.47
30.88
31.04
31.45
31.86
32.0 1
32.42
32.58
32.98
33.14
30.63
30.63
30.86
31.10
31.22
Vessel Outside Diameter, 26 Inches, 24 Bolts
5.
7
1.90.696.137.755.75.13
4
2.00
1.8 1
26.13
27.75 25.75 0.13
2.38
2.19 26.13 27.83 25.67
0.17
3 2.69
2.50 26.13
27.94 25.56
0.22
4 2.94
2.8 1 26.13 28.05
25.45 0.28
1
3.19.066.138.185.34.33
1
3.44.386.138.465.23.38
17
14
3.69.6 3 26.1.38.625.12.44
3.94.946.138.895.01.49
1?4
4.069.054.91 0.55
1Yr
4.31
4.69
1B
4.88
2 4.50
134 5.06
1 5 4
5.19
29.32 24.80
0.60
29.47
24.69
0.65
29.75 24.59
0,71
29.90 24.48
0.76
30.18
24.37 0.81
30.32
24.27
0.87
Ves sel Outside Diame ter, 27 Inches, 24 Bolts
j
4 1.94.697.138.756.75.13
2.06 1.88
27.13 28.75
26.75 0.13
2.44
2.25 27.13 28.84
26.66 0.17
2.75
2.56 27.13
28.96 26.54
0.23
3.06 288 27.13 29.07 26.43 0.29
1
3.31 3.19 27.13
29.22 26.31 0.34
S L
3.56 3.50 27.13 29.51 26.20
0.40
l L
3.7 5 3.8 1 27.139.666.09.46
29.955.98.51
1%'?4 4.250.235.86.57
$
4.44
4.69
' 5.06
4.8 1
r/r
154
5.19
30.39 25.75 0.62
30.67
25.64 0.68
30.83 25.53 0.73
31.11 25.42 0.79
31.26
25.31 0.84
Vessel Outside Diameter, 28 I nches ,28 B o l ts
2.00 1.75 28.139.757.75.13
2.13
1.9 4
28.13
29.75 27.75 0.13
2.50
2.31 28.13 29.86
27.64
0.18
;I
2.8 1 269 28.139.987.52.24
L
3.13.008.130.097.41.30
5
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11/20
Outside
D i
meter
F
ange
300
350
40
0
450
500
550
600
650
700
750
aoo
50
100
150
200
250
300
350
400
450
500
550
60
6
0
700
750
50
100
150
200
250
300
350
400
450
50 0
33.76
34.42
34.59
35.25
35.42
36-08
36.24
36.90
37.07
37.7 3
37.89
34.13
34.13
34.63
35.13
35.65
35.83
36.51
37.36
38.03
30.21
39.06
39.73
39.90
37.18
38.88
36.13
36.15
36.66
37.17
37.7
1
37.90
39.20
39.47
40.15
38.59
U SA
S T ANDARD
Unfired Pressure Vessel Flange Dimensions (Cont.)
-.
Diameter
Diameter
o i
B ol t
F lange
V e s s e l V e s
Raisedace
lange
of
Wall
nsideore
hickness
C i r c le Diameter
oose
Integral
Looso
Oukide
Thickness
iameter
31.51
31.92
32.09
32.50
32.6 7
33.08
33.24
33.65
33.0 2
34.23
34.39
32.63
32.6 3
33.13
33.40
32.88
33-58
34.0 1
34.43
34.6 1
35.0 3
35.21
35.63
36.23
36.40
35.8 1
34.6 3
34.65
34.9
1
35.17
35.46
35.65
36.09
36.53
36.72
37.15
Vesse l
Outside
Diameter ,
28
Inches, 28
Bolts
Cont.)
1 3.38.3 1 28.130.26
3.69.6 3 28.130.55
4.13 3 .00
1%
4.3 1 31.17
la/
I 4 3.88.948.13 30.71
1$
4.56
1 5 4.94
13L 4.75
1g 5.13
lS& 5.31
154
5.50
3 .45
31.62
31.90
32.07
32.35
3251
Vessel Outside Diame ter , 30 Inches, 28 B ol ts
2.06 1.8
1
30.13
31.75
2.25
2.00
30.13 31.76
2.6 3
2.44
30.13 31.811
3.00
2.8 1
30.13 32.0-1
3.31
3.19
30.13
32.15
1 3.56.500.132.33
1% 3. 88 3.8
8
30.132.6 3
134
4.6 3 33.4
1
4.132.9 3
1% 4.383.11
4.8 1
5.06
5.44
5.63
l H
154
33.58
34.06
34.36
34.53
33.88
Vesse l Outside Diame ter, 32 Inche s, 32 Bolts
:f
2.13
1.882.133.75
i
2.38.132.133.77
2.8 1 2.6 3 32.133.91
A 3.19.00 3213 34.04
1
3.50.302.134.21
1
3.7
5
3.7
5
32.1.34.40
4.06.062.134.7
1
1%
35.03
1 4.565.22
1 4.885.5 3
' 4-38
27.29
27.17
27.05
26.94
26.82
26.7 1
26.59
26.36
26.25
26.13
26.48
29.75
29.74
29.62
29.49
29.36
29.24
29.11
28.99
28.86
28.6 1
28.49
28.37
28.25
28.12
28.74
31.75
3 .73
31.59
3 .46
31.32
31.19
31.05
30.92
30.79
30.65
0.36
0.41
0.47
0.53
0.59
0.65
0.70
0.76
0.8
2
0.88
0.93
0.13
0.13
0.19
0.25
0.32
0.38
0.44
0.5
1
0.57
0.63
0.69
0.75
0.82
0.94
0.88
0.13
0.14
0.20
0.27
0.34
0.4
1
0.47
0.54
0.6
1
0.67
6
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Questions or comments about this message: please call the Document Policy Groupat 1-800-451-1584.
- - ` ` ` ` , ,
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` , ,
` ,
` , ,
` - - -
8/9/2019 Usas b16.3 Unfired Pess Vessels Flange Dimensions
12/20
UNFIRED PRESSURE VESSEL FLANGE DIMENSIONS
Unfired
Pressure
V e s s e l Flange
Di men si o n s Cont.1
Outside
Diameter
oose
Integral ~ o o s o
Bolts
C i r c le
lange
Outside
ore
hickness
f
Bo1
F a c e
lange
o fiameter
R a ised
Diameter
iameter
F lange
Pressure
o f
550
600
650
700
75 0
50
100
150
200
250
300
350
400
450
500
550
600
650
70
750
50
100
150
200
250
300
350
400
450
500
550
600
650
700
40.34
4 .0 3
41.21
41.90
42.0 8
37.13
37.16
37.67
38.19
38.74
39.44
39.6 3
40.33
40.52
41.21
41.41
42.10
42.29
42.98
43.17
38.13
38.16
30.60
39.20
39.77
Vessel Outside Diam eter , 32 nches,
32
Bolts Cont.)
37.34 5.06
37.70 1H’ 5.31
37.96
5.44
38.40 154 5.69
38.58
SA
5.88
35.72
36.03
36.21
36.52
36.7
1
Vessel Outside Diame ter ,
33
Inches,
32
B ol ts
35.63.13 1.88 33.134.75
35.66.4 4 2.193.134.70
35.92.88.6 9 33.134.92
36.19 3.25.063.135.06
36.49.56.443.13
36.94
ll&
3.88.883.135.56
37.13
4.19.193.135.76
37.58 1% 36.08
37.17
4.94
4.696.27
38.21 134 36.59
38.41.13
38.85.44
39.04 37.29
39.48
6.00
5.8 1 37.60
39.61 154 37.80
;’.
l%
4.44
Vessel Outside D iameter ,
34
nches,
32
Bolts
36.6 3 2.19.884.135.75
36.66
2.50.254.135.79
36.93.94.1
5
34.135.93
37.20
3.31.194.136.08
37.52.6 3 3.564.136.27
it
1’
7
40.477.91.00.94
40.678.17
’”
4.56
I*’ 4.256.80
41.318.62 1% 37.12
42.079.07 1’4 4.887.45
42.279.27
1%
5.067.65
42.979.72
43.179.92
5.81
’’
5.568.17
43.070.37
5.94
38.49
44.060.56 lSh 38.69
1
1
Vesse l
Thickness Diame
Wallns ide
V e s s e l
30.52
30.39
30.26
30.13
30.00
32.75
32.72
32.58
32.44
32.30
32.16
32.02
3 .89
3 .75
31.61
3 1.48
31.34
3 .20
3 .07
30.94
33.75
33.7 1
33.57
33.42
33.20
33.14
32.99
32.85
32.71
32.57
32.43
32.29
32.15
32.01
0.74
0.80
0.87
0.94
1.00
0.13
0.14
0.2 1
0.28
0.35
0.42
0.49
0.56
0.63
0.69
0.76
0.83
0.90
0.97
1.0 3
0.13
0.14
0.22
0.29
0.36
0.43
0.50
0.57
0.64
0.72
0.79
0.06
0.92
0.99
7
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8/9/2019 Usas b16.3 Unfired Pess Vessels Flange Dimensions
13/20
U S A S T A N D A R D
Unfircd Pressure
V e s s e l
Flange Dimensions (Cont.1
Pressure
Outside Diameter
Diameter
olts
t n t r g r r ~
Loose
Loose
i rc lelange
B ol tf
F a c e
f
iameter
Raised
Outside
Of
I
Bore
F lange
Th ickness
Vesse l
Inside
Diameter
V e s s e l
Thickness
50
100
150
20 0
250
300
350
40
0
450
500
550
600
50
100
150
20 0
250
300
350
400
450
50
0
550
50
100
150
200
250
300
350
400
450
500
550
40.13
40.18
40.7 1
41.24
4 1.83
42.54
42.76
43.47
43.68
44.39
45.10
45.31
42.13
42.20
42.74
43.27
43.89
44.62
45.34
45.56
46.29
47.0 1
47.23
43.13
43.58
44.12
44.69
44.92
45.65
46.38
47.11
41.34
48.07
48.30
Vessel Outside Diameter, 36 Inches, 36 Bolts
38.6 3 2.2 5 2.00
36.13
37.75
38.68 2.5 6 2.38 36.13 31 .81
38.96
3.06 2.88
36.13 37.96
39.24
3.50
3.31
36.13 38.11
39.58
1 3.8 1
3.1 5 36.13 38.3 3
40.04
4.19.196.138.67
40.26 38.88
40.7 2 1 % 39.22
40.93 1 % 5.009.43
l'A 4.44
li
4.75
41.39
4 1.85
42.06
1 A 5.3 1
1 %
H 5.75
5.56
39.77
40.10
40.31
Vess el Outside Diameter, 38 nches, 36 Bolts
40.63
40.70.69.508.139.82
40.99.25.068.13
41.27 rL 3.6 3 3.50 38.130.15
41.64 1 4.00.948.130.39
42.12 1 4.38.388.130.74
42.59 1% 4.691.09
42.8
1 1 4
5.00 41.31
43.29
1 3 ~
5.3
1
41.66
I
/c 2.31.008.139.75
?
43.76 1 % 5.56
43.98
1% 5.8 1
42.0 1
42.23
Vessel Outside Diameter, 39 Inches, 36 Bolts
41.63
2.31.009.190.75
41.83.509.19
42.12 A 3.3 1 3.069.191.00
42.44 1 3.69.56 39.19 1.19
42.67 1 4.06.00 39.191.42
43.15 1 4.44.509.191.78
43.6 3
1%
4.8
1
42.13
44.1
1
5.132.49
2.75
44.34 1
"
A 5.38 42.72
44.82 1% 5.69
45.05
1H 5.94
43.07
43.30
35.75 0.13
35.69
0.15
35.54
0.23
35.39
0.31
35.24
0.38
35.09
0.46
34.93
0.53
34.78
0.61
34.63
0.68
34.49 0.76
34.34 0.83
34.19 0.91
37.75
0.13
37.68 0.16
37.51 0.24
31.35 0.32
37.19 0.40
37.03 0.48
36.88
0.56
36:72 0.64
36.56 0.72
36.40
0.80
36.24
0.88
38.75
0.13
38.67
0.17
38.50
0.25
38.34 0.33
38.17 0.41
38.01
0.50
37.85 0.58
37.68
0.66
37.52 0.14
37.36
0.82
37.20 0.90
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8/9/2019 Usas b16.3 Unfired Pess Vessels Flange Dimensions
14/20
UNFIRED PRESSURE
VESSEL
FLANGE DIMENSIONS
Unfired Pressure Vesse l Flange
D i m c n s i m
Coat.)
Outside
Diameter
oose
l n t r g r r l
I
~ o o r o
B o l t s
Circ lelange
B o l t
o fiameter
Diameter
iameter
Flange
V esse lessel
Raised
ace
lange
Pressure
of
of
Wal
nside
orehickness
Outside
Thickness
iameter
50
100
150
200
250
300
350
40
0
450
500
550
50
100
150
200
250
300
350
400
4 50
500
50
10 0
150
200
250
300
350
400
4 50
25
50
1 5
100
150
44.13
44.22
44.1 6
45.30
45.95
46.69
47.42
47.66
48.40
48.63
49.36
46.13
46.6 1
47.16
47.76
48.5 1
48.76
49.5
1
50.26
50.50
51.25
49.13
49.6 3
50.20
50.83
5 1.60
51.87
52.63
53.40
53.66
52.13
52.13
52.18
52.66
53.24
42.63
42.72
43.0 1
43.30
43.1
0
44.19
44.67
44.9 1
45.40
45.63
46.11
44.6 3
44.86
45.16
45.5 1
46.0 1
46.26
46.16
41.26
4 7.50
48.00
41.63
48.20
48.58
49.10
49.37
49.88
50.40
50.66
47.88
50.63
50.6 3
50.68
50.9
1
51.24
Vessel Outside D iameter ,
ncbes,
40 Bolts
2.38
2.06 40.19
41.75
39.75 0.13
2.8 1
2.6 3
40.19
41.84 39.66 0.1 1
3.38 3.19 40.19
4 2 0 1 3 9 . 4 9
0.26
74
3.75
3.69 40.19
42.18
39.32 0.34
1
4.19
4.13 40.19
42.45 39.15 0.42
1
4.56
”‘4
5.50
5.75
15
”’
6.00
42.8
1
38.98
0.51
43.17 38.82
0.59
43.41
38.65 0.68
43.77
38.48
0.76
44.00 38.32 0.84
44.36 38.15 0.92
Vessel Outside Diameter, 42 nches, 40 Bolts
s/
2.38
2.06
42.19
43.15
41.75
0.13
2.94
2.69
42.19 43.86 41.64 0.18
7 3.50
3.31
42.19
44.04
41.46 0.27
1
3.9 4
3.8 1
42.19
44.26 41.29
0.36
1 4.38
4.31 42.19
44.63
41.11
0.45
4.15
’”
5.06
1 4
6.00
5.69
1
l’ 5.44
44.88 40.93 0.53
45.26
40.76 0.62
45.63
40.58 0.71
45.88 40.41
0.80
46.25 40.23 0.88
Vesse l O utside Diameter , 45
Inches,
44 Bolts
3.13
2.50.13 45.19
46.75 44.75 0.13
2.88
45.19
46.88 44.62 0.19
4
3.69.50
45.19
47.07 44.43 0.29
1 4.19.06
45.19
47.33 44.24 0.38
1 4 4.6 3 4.6 3
45.19 47.72 44.05 0.48
1
5.00
5.38
1
”
6.00
lU
5.75
47.99
43.86 0.51
48.38 43.67 0.61
4 . 7 7
43.48 0.76
49.04 43.29
0.85
Vessel Outside Diameter,
48
Inches,
18
Bolts.
s
h 2.56.25 48.19 49.15 41.75
0.13
?4 3.88 3.1 5 48.19 50.11 47.39 0.31
:f
2.56.25 48.19 49.757.75 0.13
2.94.698.19 49.81 47.69 0.15
3.31 3.068.19 49.91 41.59 0.20
9
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8/9/2019 Usas b16.3 Unfired Pess Vessels Flange Dimensions
15/20
8/9/2019 Usas b16.3 Unfired Pess Vessels Flange Dimensions
16/20
U N F I R E D P R E S S U R E V E S S E L F L A N G E D I M E N S I O N S
Unf ired Pressure Vessel
Flange
Dimensions Cont.1
Outside
B o l t
of
iameter
Diameter
iameter
Diameter
oose
Ci r c l el a n g e
~ n t r g r a ~
~ o o r r
Bo l t s
F l a n g e
Inside
ore
h i c k e s s
f
V e s s e l
Raiseda c e
lange
Pressure
o f
Outside
Diameter
150
20
0
250
25
50
75
100
150
200
25
50
75
100
150
20
25
50
75
100
150
200
25
50
75
100
150
65.83
66.69
67.55
67.13
67.14
67.6 5
68.16
68.89
69.76
70.13
70.16
70.67
7 1.19
72.84
71.94
73.13
7 .17
1 .69
74.21
75.00
75.9 1
76.13
76.18
76.7
1
17.24
78.05
63.58
64.19
64.80
65.63
65.64
65.90
66.16
66.64
67.26
68.63
68.66
68.92
69.19
69.69
70.34
7 1.63
7 1.67
7 1.94
72.21
7 .75
73.41
74.63
74.68
74.96
75.24
75.80
V e s s e l Outside Diameter , 60 Inches, 60 Bolts Cont.)
1 4.69.560.192.33
5.382.82
1 %
63.30
14 5.94
Vessel Outs ide Diameter , 63 Inches, 60 Bo l t s
2.88
2.50
63.19 64.75
4 3.06
2.8 1 63.19
64.77
%
3.69
3.38
63.19
64.90
b 4.13.883.195.04
1
4.88.8
1
63.195.39
1 5.565.89
Vessel Outside Diameter,
66
Inches, 64 Bo l t s
3.00 2.56
66.19
67.75
3.19
2.9 4
66.19
67.78
3.8
1
3.56
66.19
67.92
4 4.31.066.198.06
1 5.06.066.198.44
1
4 5.758.96
Vessel Outside Diameter, 69 Inches, 68 Bolts
5
5 / 3.0 6 2.639.250.75
b
3.31
3.00 69.25
70.79
% 4.00
3.69
69.25
70.94
A
4.50.259.25 7 1.09
1 5.25.259.25 7 1.50
1
l4
6.002.03
Vessel Outside Diameter, 72 Inches, 7 2 Bolts
3.13
2.69
72.25 73.75
54 3.50
3.13
7 .25
73.8
1
%
4.13 3.8
1
1 .25 1 .96
b 4.6 3
4.38
72.25 74.11
1
5.50
5.50
72.25 14.55
59.23
58.98
58.73
62.75
62.73
62.60
62.46
62.20
6 1.93
65.75
65.72
65.58
65.44
65.16
64.88
68.75
68.71
68.56
68.41
68.12
67.83
7 1.75
7 1.69
71.54
71.39
7 .08
V e s s e l
Wall
Th ickness
0.38
0.51
0.64
0.13
0.13
0.20
0.27
0.40
0.54
0.13
0.14
0.21
0.28
0.42
0.56
0.13
0.15
0.22
0.29
0.44
0.59
0.13
0.15
0.23
0.31
0.46
1 1
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` , ,
` ,
` , ,
` - - -
8/9/2019 Usas b16.3 Unfired Pess Vessels Flange Dimensions
17/20
U SA STA N O A R D
Unfired Pressure V e s s e l
Flange
Dimensions Cont.1
Outside
D iameter
iameter
Diameter
of
B ol t
F l a n p C i r c le
B o l ts
'
~ n t o g r r ~
~ o o r r
Loose
Diameter
Flange
V e s s e l
esse l
Raiseda c e
Pressure
o f
of
Wall
nside
ore
hickness
Outside
Th ickness D
Vessel Outside Diameter ,
75
Inches,
7 2
B ol ts
25 19.13
-
11.63 3.13 2.69
15.25
16.15 14.15 0.13
50 19.20
11.70
3.6 3 3.25
15.25
16.82 14.68
0.16
15 19.13
77.98 4.31 4.00
15.25
76.98 14.52
0.24
100
150
25
50
1 5
100
150
25
50
1 5
100
25
50
1 5
100
25
50
15
100
80.26'
8 1.10
8 2.13
82.21
82.15
83.29
84.66
85.13
85.22
85.11
8 6.32
88.13
88.23
88.79
89.34
91.13
9 1.25
9 1.8
1
92.31
18.26
18.85
80.63
80.1
1
8 1.00
8 1.29
82.16
8 3.6 3
83.12
84.02
84.32
86.6 3
86.13
81.04
87.34
89.63
89.15
90.06
90.37
25 94.13 92.63
50 94.26 92.16
15 95.20
9 3.20
100 95.39 93.39
A
4.8 1
4.56
15.25
11.14 14.36
0.32
1
5.69
5.69
15.25 11.60 14.04
0.48
Vessel Outside Diameter , 73 Inches,
76
Bolts
I
b 3.19
2.1 5 78.25
19.15 11.15 0.13
3.1 5 3.44 18.25 19.83 11.6 1 0.11
4.44
4.13
18.25
80.00 11.5 0 0.25
?L
4.9 4 4.15
18.25
80.17
11.33
0.33
1 A
5.94 5.94
78.25
80.18 11.00 0.50
Vesse l
Outside Diameter,
111
Inches,
8 0 Bolts
3.31
2.0 1
81.25 82.15
80.15 0.13
4.56
4.31 81.25
83.02 80.48
0.26
5.13
4.9
4
81.25
83.19
80.31
0.35
3.88 3.561.252.850.65 0.11
V e s s e l
Oukide Diameter ,
8 4
Inches,
8 4
Bolts
3.38.8 84.255.153.15.13
4.15
4.00.69
84.25
85.86 83.64.18
4.44
84.25
86.04
83.46.21
L
5.25.13
84.25
86.22
83.28.36
Vessel Outside Diameter, 8 7 Inches, 8 4 B ol t s
A
3.38
2.88
81.25 88.15
86.15 0.13
?L 5.44
5.3
1
81.25 89.24
86.26
0.37
1
4.88
4.13 3.8
1
87.258.876.63.19
4.63 87.259.06 86.4 4 0.28
Vessel Outside Diameter,
90
Inches, 8 8 Bolts
3.44
2.94
90.25 91.15
89.15 0.13
4.25
3.94
90.25 91.88
89.62
0.19
5 OO
4.69
90.25 92.08
89.42
0.29
5.56
5.50
90.25 92.21
09.23
0.38
1 2
Document provided by IHS Licensee=Aramco HQ/9980755100, 01/22/2004 06:10:07 MSTQuestions or comments about this message: please call the Document Policy Groupat 1-800-451-1584.
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8/9/2019 Usas b16.3 Unfired Pess Vessels Flange Dimensions
18/20
UNFIRED
PRESSURE VESSEL FLANGE DIMENSIONS
Unfind Pressure V e s s e l Flange Dimensions Cmnt.1
Outside
Diameter
Diameter
iameter
Diameter
oose
ln t rgr r l
[
Loose
'
C i r c le
lange
B ol t
of
F lange
V e s s e l V e s s e l
Raiseda c e
Pressure
o f
of
Wal
nsideore
h ickness
Outside
Thickness Diam
25
50
75
100
25
50
75
100
25
50
75
10
0
25
50
75
25
50
75
25
50
75
25
50
75
97.13
97.65
98.22
98.42
100.13
100.66
101.24
10 1.9 1
103.13
103.67
104.26
104.94
106.13
106.69
107.28
109.13
109.70
110.30
112.13
112.7 1
113.32
115.13
115.72
116.34
95.63
95.90
96.22
96.42
98.63
98.9 1
99.24
9 9.66
10 1.63
101.92
102.26
102.69
104.63
104.94
105.28
107.6 3
107.95
108.30
110.63
110.96
111.32
113.63
113.97
114.34
Vessel Outside Diameter ,
93
Inches,
92
B ol ts
SL 3.50.00 93.25 94.75
ic
4.31
4.00 93.25 94.90
b 5.7 5
5.69
93.25 95.29
;b 5.13 4.88 93.255.10
Vessel
Outside Diameter, 96 Inches, 96 B ol ts
2
3.56
3.06 96.25 97.75
4.44 4:13 96.25 97.91
-
7b Si25 5.00 96.25 98 .i i
1
5.94.8 1 96.25 98.4
1
Vessel Outside Diameter , 99 Inches, 96 Bolts
4.56
3.6 3 3.06
99.2500.75
4.25
99.25 100.92
L 5.44.19
99.250.13
1 6 00
99.25 101.44
Vessel
Outside Diameter, 102 nches, 100 Bolts
3.69
3.13
102.25 103.75
4.69
4.38
102.25 103.94
5.56 5.31 102.25 104.15
Vessel
Outside Diameter, 105 nches, 104 Bo lts
3.75 3.19
105.25 106.75
4.8
1
4.50 105.25
106.95
5.69
5.50 105.25
107.17
Vess el Outside Diameter, 108 nches, 108 Bolts
4.94
3.7 5 3.25
108.25
109.75
4.63 108.25
109.96
L 5.8 1 5.63
108.25
110.19
V esse l
Outside Diameter, 111 Inches, 108 Bolts
5.06
3.8 1 3.38
111.25 1.12.75
4.75 111.25 112.97
L 5.94.81
111.25 113.21
92.75
9260
9 2.40
92.21
95.75
95.59
9 5.39
95.18
98.75
98.58
98.37
98.16
10 1.75
10
1 5 6
10 1.35
1-04.75
104.55
104.33
107.75
107.54
107.31
110.75
110.53
110.29
0.13
0.20
0.30
0.40
0.13
0.20
0.31
0.41
0.13
0.2 1
0.32
0.42
0.13
0.22
0.33
0.13
0.22
0.34
0.13
0.23
0.35
0.13
0.24
0.36
13
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8/9/2019 Usas b16.3 Unfired Pess Vessels Flange Dimensions
19/20
U S A S T A N D A R D
Unfired Pressure
V e s s e l
Flange
Dimensions Cent.)
Outside
D iameter
iameter
Diameter
o f
B ol t
Flange C i r c le
B o l ts
Intelrrt
I
Loose Diameter
Flange
Vesse l Ve
Raiseda c e
l a n g e
Pressure
of
of
Wall
nside Bore
h ickness
Outside
Thickness
iameter
25
50
75
25
50
25
50
118.13
118.74
119.35
121.13
121.75
124.13
124.76
Vessel Outside Diameter , 114 Inches, 112 Bolts
116.6 3
3.88 3.44 114.25 115.75
116.99 5.19.88 114.25 115.99
1
17.35 h 5.94 114.25 116.23
2
Vessel Outside Diameter, 117 Inches , 116 Bolts
119.63
3.9 4 3.50 117.25
118.75
120.00
5.3
1
5.00
117.25 119.00
Vessel Outside Diameter , 120 Inches,
120
B ol ts
122.63
4.06
3.63 120.25
121.76
123.01
5.44 5.13 120.25
122.01
113.75
113.51
113.27
116.75
116.50
119.74
119.49
0.13
0.24
0.36
0.13
0.25
0.13
0.26
14
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8/9/2019 Usas b16.3 Unfired Pess Vessels Flange Dimensions
20/20
USA STANDARDS FOR PIPING.
PIPE FLANG ES AND F ITTINGS
T ITLE
O F 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 -
5 ,
125, 250, 800 lb
....................................
B16.1-1967
Malleable-Iron Screwed Fit tings - 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
Wrought SteelButtwelding Fittings ............................................................................................ B16.9-1964
Face-to-Face Dimensions of Ferrous Flanged and Welding End V a l v e s
..............................
B16.10-1957
Forged-Steel Fitt ings, Socket Welding and Threaded .............................................................. B16.11-1966
Z O O l b
(with Appendices) .................................................................................................. B16.5-1968
Cast-Iron Threaded Drainage Fittings ........................................................................................ 816.12-1965
Ferrous Pipe Plugs, Bushings, and Locknuts with Pipe Th reads ......................................... B16.14-1965
Cast-Bronze Solder-Joint P r e s s u r e Fittings
..........................................
B16.18-1963 with 1967 Addendum
Nonmetallic Gaskets for Pipe Flanges
......................................................................................
B16.21-1962
Cast-Bronze Screwed Fittings - 125 and250 lb ...................................................................... B16.15-1964
Ring-Joint Gaskets and Grooves for Steel Pipe Flanges ........................................................ B16.20-1963
Wrought-Copper and Wrought-Bronze Solder-Joint P ressure Fi tt ings
......................................
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
Pla st ic 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 F it tings .......................... 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 8Addendum
Nuclear Power Piping
...................................................................................
~ 1 . 7February 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 ofUSA Standards published by The American Society of Mechanical Engineers
obtainable upon request
.
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