8/19/2019 ASME VIII Corroded Nozzle - Shell With Repad - UG-45_UG-37 Calc
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ASME VIII, Div 1, UG-37 Reinforcement required for opening in !e"" #nd forme
$"#nt ID $AR
Equipment &um'er( Equipment(Equipment )*pe( D#te( 21st August
&omenc"#ture
A total cross‐sectional area of reinforcement required in the plane under consideration
(includes consideration of no$$le area through shell if %n&%' 1"0#
area in e)cess thic*ness in the 'essel +all a'aila,le for reinforcement (see Figure U(includes consideration of no$$le area through shell if %n&%' 1"0#
area in e)cess thic*ness in the no$$le +all a'aila,le for reinforcement (see Figure U
area a'aila,le for reinforcement +hen the no$$le e)tends inside the 'essel +all (see
cross‐sectional area of material added as reinforcement (see Figure UG-!"1#
cross‐sectional area of 'arious +elds a'aila,le for reinforcement (see Fi
c corrosion allo+ance
inside shell diameteroutside diameter of reinforcing element (actual si$e of reinforcing element ma. e)ce
reinforcement esta,lished ,. UG-40/ ho+e'er credit cannot ,e ta*en for an. materi
d nished diameter of circular opening or nished dimension (chord length at midsurfa
e)cluding e)cess thic*ness a'aila,le for reinforcement# of nonradial opening in the
consideration in" see Figures UG-!"1 and UG-403
1 +hen an opening is in the solid plate or in a 5ategor. 6 ,utt 7oint/ or0"89 +hen an opening is located in an :; or autogenousl. +elded pipe or tu,e" <f t
+elded 7oint is clearl. identia,le and it can ,e sho+n that the opening does not pas
A1
A2
A
A9
A41
A42
A4
=
p
1 (see denitions for tr and t
rn#
1
1
8/19/2019 ASME VIII Corroded Nozzle - Shell With Repad - UG-45_UG-37 Calc
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ASME VIII, Div 1, UG-37 Reinforcement required for opening in !e"" #nd forme
$"#nt ID $AREquipment &um'er( 0 Equipment( 0
Equipment )*pe( 0 D#te( 21st August
&omenc"#ture
allo+a,le stress in reinforcing element (plate# psi
allo+a,le stress in 'essel psi (see % a,o'e#t =specied 'essel +all thic*ness (not including forming allo+ances#" For pipe it is the
manufacturing undertolerance allo+ed in the pipe specication"
thic*ness or height of reinforcing element (see Figure UG-40#
nominal thic*ness of internal pro7ection of no$$le +all
no$$le +all thic*ness" )cept for pipe this is the +all thic*ness not including forming
use the nominal thic*ness see UG-1@(d#3"
required thic*ness of a seamless shell ,ased on the circumferential stress or of a forthe rules of this i'ision for the designated pressure using = 1 e)cept thatD
(a# +hen the opening and its reinforcement are entirel. +ithin the spherical portion
tr is the thic*ness required ,. 1-4(d# using E = 1/
+here the no$$le a)is pierces the inside +all of the cone/
(c# +hen the opening and its reinforcement are in an ellipsoidal head and are locate
a circle the center of +hich coincides +ith the center of the head and the diameter oof the shell diameter tr is the thic*ness required for a seamless sphere of radius C1
diameter and C1 is gi'en ,. >a,le UG-!
%p
%'
te
ti
tn
tr
8/19/2019 ASME VIII Corroded Nozzle - Shell With Repad - UG-45_UG-37 Calc
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ASME VIII, Div 1, UG-37 Reinforcement required for opening in !e"" #nd forme
$"#nt ID $AR
Equipment &um'er( 0 Equipment( 0
Equipment )*pe( 0 D#te( 21st August
.it!out Reinforcing E"ement
A = Area requiredArea a'aila,le ins s
Area a'aila,le in n
use smaller 'alue
Area a'aila,le in in
'alue
Area a'aila,le in o
Area a'aila,le in in
Ipening is adequat
Ipening is not ade
reinforcing elementor thic*ness must ,
d tr F 2tn tr F(1 - f r1#A
1 = d(
1t - Ft
r# - 2t
n(
1t - Ft
r#(1 - f
r1#
2(t tn#(1t Ft
r# - 2t
n(
1t - Ft
r#(1 - F
r1#
A2 = 9(t
n - t
rn#f
r2t
9(tn - t
rn#f
r2t
n
A = 9t t
if r2
9ti ti f r22h t
if r2
A41
= out+ard no$$le +eld = (leg#2 f r2
A4
= in+ard no$$le +eld = (leg#2 f r2
<f A1 A
2 A
A
41 A
4 J A
<f A1 A
2 A
A
41 A
4 A
8/19/2019 ASME VIII Corroded Nozzle - Shell With Repad - UG-45_UG-37 Calc
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ASME VIII, Div 1, UG-37 Reinforcement required for opening in !e"" #nd forme
$"#nt ID $AR
Equipment &um'er( 0 Equipment( 0
Equipment )*pe( 0 D#te( 21st August
A42
=
A49
=
8/19/2019 ASME VIII Corroded Nozzle - Shell With Repad - UG-45_UG-37 Calc
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8/19/2019 ASME VIII Corroded Nozzle - Shell With Repad - UG-45_UG-37 Calc
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!e#d Bage 1
%E $$
014
(see Figure UG-!"1#
-!"1#
-!"1#
Figure UG-!"1#
ure UG-!"1#
ed the limits of
l outside these limits#
ce of thic*ness
lane under
he :; or autogenousl.
s through this +eld 7oint
8/19/2019 ASME VIII Corroded Nozzle - Shell With Repad - UG-45_UG-37 Calc
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!e#d Bage 2
%E $$
014
ominal thic*ness less
allo+ances" For pipe
med head computed ,.
f a torispherical head
entirel. +ithin a circle
f +hich is equal to 80 +here is the shell
8/19/2019 ASME VIII Corroded Nozzle - Shell With Repad - UG-45_UG-37 Calc
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!e#d Bage
%E $$
014
hell use larger 'alue
$$le pro7ecting out+ard/
ard no$$le/ use smaller
t+ard +eld
ard +eld
el. reinforced
uatel. reinforced so
s must ,e added and& e increased
8/19/2019 ASME VIII Corroded Nozzle - Shell With Repad - UG-45_UG-37 Calc
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!e#d Bage 4
%E $$
014
8/19/2019 ASME VIII Corroded Nozzle - Shell With Repad - UG-45_UG-37 Calc
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8/19/2019 ASME VIII Corroded Nozzle - Shell With Repad - UG-45_UG-37 Calc
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ASME %$V/ VIII-1-012, UG-2 &o44"e &ec5 )!ic5ne #nd,
UG-37 Reinforcement Required for pening in S!e"" #nd +ormed 6e#d
$"#nt ID( A $roduction $"
Equipment &um'er( A65-124 Equipment( Ligh Bressur
Equipment )*pe( Messel D#te( 1st Nanuar. 2
Introduction
$icture S5etc!
>he follo+ing calculation for minimum internall. corroded no$$le nec* thic*ness is ,i' 1 sections UG-! and UG-49" As per UG-4 (,# the results of con'ersions of unitsto (a minimum of# three signicant gures"
&o44"e ID( H01 $<ID( 124
8/19/2019 ASME VIII Corroded Nozzle - Shell With Repad - UG-45_UG-37 Calc
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ASME %$V/ VIII-1-012, UG-2 &o44"e &ec5 )!ic5ne #nd,
UG-37 Reinforcement Required for pening in S!e"" #nd +ormed 6e#d
$"#nt ID( A $roduction $"
Equipment &um'er( A65-124 Equipment( Ligh Bressur
Equipment )*pe( Messel D#te( 1st Nanuar. 2
&omenc"#ture
A = total cross‐sectional area of reinforcement required in the plane under consideration(includes consideration of no$$le area through shell if %n&%' 1"0#
area in e)cess thic*ness in the 'essel +all a'aila,le for reinforcement (see Figure U
(includes consideration of no$$le area through shell if %n&%' 1"0#
area in e)cess thic*ness in the no$$le +all a'aila,le for reinforcement (see Figure U
area a'aila,le for reinforcement +hen the no$$le e)tends inside the 'essel +all (see
cross‐sectional area of material added as reinforcement (see Figure UG-!"1#
cross‐sectional area of 'arious +elds a'aila,le for reinforcement (see Fic = corrosion allo+ance
= inside shell diameter
outside diameter of reinforcing element (actual si$e of reinforcing element ma. e)ce
reinforcement esta,lished ,. UG-40/ ho+e'er credit cannot ,e ta*en for an. materi
d = nished diameter of circular opening or nished dimension (chord length at midsurf
e)cluding e)cess thic*ness a'aila,le for reinforcement# of nonradial opening in the
consideration in" see Figures UG-!"1 and UG-403 =
1 h i i i th lid l t i 5 t 6 , tt 7 i t
A1 =
A2 =
A =
A9 =
A41 A42 A4 =
p =
1 (see denitions for tr and t
rn#
8/19/2019 ASME VIII Corroded Nozzle - Shell With Repad - UG-45_UG-37 Calc
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inside radius of the shell course under consideration e)cluding corrosion allo+ance
inside radius of the no$$le under consideration
% = allo+a,le stress 'alue in tension (see UG-2# psi
allo+a,le stress in no$$le psi (see % a,o'e#ASME %$V/ VIII-1-012, UG-2 &o44"e &ec5 )!ic5ne #nd,
UG-37 Reinforcement Required for pening in S!e"" #nd +ormed 6e#d
$"#nt ID( A $roduction $"
Equipment &um'er( A65-124 Equipment( Ligh Bressur
Equipment )*pe( Messel D#te( 1st Nanuar. 2
&omenc"#ture
allo+a,le stress in reinforcing element (plate# psi
allo+a,le stress in 'essel psi (see % a,o'e#
t = specied 'essel +all thic*ness (not including forming allo+ances#" For pipe it is the
manufacturing undertolerance allo+ed in the pipe specication"
actual 'essel +all thic*ness including corrosion allo+ance
the actual present thic*ness of the no$$le determined ,. U>thic*ness or height of reinforcing element (see Figure UG-40#
nominal thic*ness of internal pro7ection of no$$le +all
no$$le +all thic*ness" )cept for pipe this is the +all thic*ness not including formin
use the nominal thic*ness see UG-1@(d#3"
required thic*ness of a seamless shell ,ased on the circumferential stress or of a fo
the rules of this i'ision for the designated pressure using = 1 e)cept thatD
(a# +hen the opening and its reinforcement are entirel. +ithin the spherical portiontr is the thic*ness required ,. 1-4(d# using E = 1/
:M =
:n =
%n =
%p =
%' =
tact
tnact t
e =
ti =
tn =
tr =
8/19/2019 ASME VIII Corroded Nozzle - Shell With Repad - UG-45_UG-37 Calc
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ASME %$V/ VIII-1-012, UG-2 &o44"e &ec5 )!ic5ne #nd,
UG-37 Reinforcement Required for pening in S!e"" #nd +ormed 6e#d
$"#nt ID( A $roduction $"
Equipment &um'er( A65-124 Equipment( Ligh Bressur
Equipment )*pe( Messel D#te( 1st Nanuar. 2
.it!out Reinforcing E"ement
A = Area required
Area a'aila,le in sh
Area a'aila,le in n
use smaller 'alue
Area a'aila,le in in
'alue
Area a'aila,le in oArea a'aila,le in in
d trF 2t
nt
rF(1 - f
r1#
A1 = d(
1t - Ft
r# - 2t
n(
1t - Ft
r#(1 - f
r1#
2(t tn#(1t Ftr# - 2tn(1t - Ftr#(1 - Fr1#A
2 = 9(t
n - t
rn#f
r2t
9(tn - t
rn#f
r2t
n
A = 9t t
if r2
9ti t
if r2
2h tif r2
A41 = out+ard no$$le +eld = (leg#2 f r2A
4 = in+ard no$$le +eld = (leg#2 f
r2
d or :n tn t
Use larger 'alue Use larger 'al
d or :n tn
For no$$le +all aFor no$$le +all inserted through the 'essel +all
8/19/2019 ASME VIII Corroded Nozzle - Shell With Repad - UG-45_UG-37 Calc
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ASME %$V/ VIII-1-012, UG-2 &o44"e &ec5 )!ic5ne #nd,
UG-37 Reinforcement Required for pening in S!e"" #nd +ormed 6e#d
$"#nt ID( A $roduction $"
Equipment &um'er( A65-124 Equipment( Ligh Bressur
Equipment )*pe( Messel D#te( 1st Nanuar. 2
+ormu"# D#t# &ote
c = 0"129 in
= !2 in
10"000 in
d = 4 in 4"00O 2 ) 0"129O (2 ) c#
= 1
1"0 opening is in solid plate it does not pa
F = 1"0 reinforcement is not integral
1
1
1
p =
1 =
f r =
f r1 =f r2 =
f l f % % %
8/19/2019 ASME VIII Corroded Nozzle - Shell With Repad - UG-45_UG-37 Calc
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0"000 in
&o44"e det#i" =A$I 27, )#'"e 1>(
Bipe si$e (HB%#D 4 in Hominal thic*ness less QcQD
%cheduleD H&A 5orrected for under toleranceD
Appro)imate <D 4"0P8 in (undertolerance = 12"9#
Hominal thic*nessD 0"P!9 in
ASME %$V/ VIII-1-012, UG-2 &o44"e &ec5 )!ic5ne #nd,
UG-37 Reinforcement Required for pening in S!e"" #nd +ormed 6e#d
$"#nt ID( A $roduction $"
Equipment &um'er( A65-124 Equipment( Ligh Bressur
Equipment )*pe( Messel D#te( 1st Nanuar. 2
/#"cu"#tion ASME VIII Refere
(a# 5alculate limits of reinforcement
Barallel to head use larger of D UG-40
d = 4"000 in UG-40(,#(1#
"82P in UG-40(,#(2#
Ue in
A4
leg =
:n tn t =
8/19/2019 ASME VIII Corroded Nozzle - Shell With Repad - UG-45_UG-37 Calc
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:equired no$$le thic*nessD
21in
ASME %$V/ VIII-1-012, UG-2 &o44"e &ec5 )!ic5ne #nd,
UG-37 Reinforcement Required for pening in S!e"" #nd +ormed 6e#d
$"#nt ID( A $roduction $"
Equipment &um'er( A65-124 Equipment( Ligh Bressur
Equipment )*pe( Messel D#te( 1st Nanuar. 2
(c# etermine required replacement areaD &ote
A =
A = "@@8
(d# 5alculate area contri,utionsD
Area a'aila,le in the head use larger 'alueD
trn
d trF 2t
nt
rF(1 - f
r1#
in2
tr =B:n
% - 0"@B
8/19/2019 ASME VIII Corroded Nozzle - Shell With Repad - UG-45_UG-37 Calc
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0"000
0"000
0"000
ASME %$V/ VIII-1-012, UG-2 &o44"e &ec5 )!ic5ne #nd,
UG-37 Reinforcement Required for pening in S!e"" #nd +ormed 6e#d
$"#nt ID( A $roduction $"
Equipment &um'er( A65-124 Equipment( Ligh Bressur
Equipment )*pe( Messel D#te( 1st Nanuar. 2
Area a'aila,le in +eldsD
0"290
A"1
= 9t tif r2
A"1
= in2
A"2 = 9ti ti f r2
A"2
= in2
A"
= 2h tif r2
A"
= in2
Ue A3 in0
A41
= (leg#2 f r
A41
= in2
A42
= (leg#2 f r4
8/19/2019 ASME VIII Corroded Nozzle - Shell With Repad - UG-45_UG-37 Calc
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ASME %$V/ VIII-1-012, UG-2 &o44"e &ec5 )!ic5ne #nd,
UG-37 Reinforcement Required for pening in S!e"" #nd +ormed 6e#d
$"#nt ID( A $roduction $"
Equipment &um'er( A65-124 Equipment( Ligh Bressur
Equipment )*pe( Messel D#te( 1st Nanuar. 2
(g# 5hec* no$$le nec* thic*ness as specied in UG-49"
For all no$$les other than access openings and openings used onl. for inspection de
t, = mint
, ma)(t
,1 t
,2#3
8/19/2019 ASME VIII Corroded Nozzle - Shell With Repad - UG-45_UG-37 Calc
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0"2 in
)6E MI&IMUM &889E &E/: )6I/:&ESS 330 in
tUG-49
=
8/19/2019 ASME VIII Corroded Nozzle - Shell With Repad - UG-45_UG-37 Calc
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Bage 1
#tform
%eparator 019
sed on A%E M<<<shall ,e e)pressed
8/19/2019 ASME VIII Corroded Nozzle - Shell With Repad - UG-45_UG-37 Calc
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Bage 2
#tform
%eparator
019
(see Figure UG-!"1#
-!"1#
-!"1#
Figure UG-!"1#
ure UG-!"1#
ed the limits of
al outside these limits#
ce of thic*ness
lane under
8/19/2019 ASME VIII Corroded Nozzle - Shell With Repad - UG-45_UG-37 Calc
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Bage
#tform
%eparator
019
ominal thic*ness less
allo+ances" For pipe
med head computed ,.
f a torispherical head
8/19/2019 ASME VIII Corroded Nozzle - Shell With Repad - UG-45_UG-37 Calc
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Bage 4
#tform
%eparator
019
ell use larger 'alue
$$le pro7ecting out+ard/
ard no$$le/ use smaller
t+ard +eld ard +eld
ue
t
,utting the 'essel +all
8/19/2019 ASME VIII Corroded Nozzle - Shell With Repad - UG-45_UG-37 Calc
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Bage 9
#tform %eparator
019
s through a +elded 7oint
8/19/2019 ASME VIII Corroded Nozzle - Shell With Repad - UG-45_UG-37 Calc
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0"890 in
0"!44 in
Bage @
#tform
%eparator
019
ce
8/19/2019 ASME VIII Corroded Nozzle - Shell With Repad - UG-45_UG-37 Calc
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Bage !
#tform
%eparator
019
8/19/2019 ASME VIII Corroded Nozzle - Shell With Repad - UG-45_UG-37 Calc
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Bage 8
#tform
%eparator
019
8/19/2019 ASME VIII Corroded Nozzle - Shell With Repad - UG-45_UG-37 Calc
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Bage P
#tform %eparator
019
termine t,D
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8/19/2019 ASME VIII Corroded Nozzle - Shell With Repad - UG-45_UG-37 Calc
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p
:ntn
tr n
tr
dti
c
h
d or :n tn t
Use larger 'alue Use larger 'alu
d or :n tn t
h 2"9t 2"9ti
Use smallest 'alue
2"9t or 2"9tn te
Use smaller 'alue
%eefor lireinf
GH:A HI>Dincludes consideration of these areas if %n&%' 1"0 (,oth sides of 5#
For no$$le +all a,uttFor no$$le +all inserted through the 'essel +all
A
A1
A0
A3
A1
A3
A0A2
8/19/2019 ASME VIII Corroded Nozzle - Shell With Repad - UG-45_UG-37 Calc
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te
UG-40mits oforcement
ing the 'essel +all
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