heater design calculation

8/11/2019 Heater Design Calculation

1/14


2/14

Insideradius(corroded) R 335.00 mm.

Do 1756.00 mm.

tm 40.000 mm.

Internalpressure P 45.00 kg/cm2G

Extermaldesignpressure Px 30.00 kg/cm2GStaticheadpressure Phd 0.00 kg/cm

2G

Designtemperature tem 110.00

Corrosionallowance CA 0.00 mm.

1 FULL

Jointefficiency E() 1

Shellmaterial

Shelllength L 4500

Max.allowablestress S 692 kg/cm2

Modulusofelasticity@designtrmperture E 1765268 kg/cm2

Pdoesnotexceed0.385SE45.0 < 0.385SE= 266.42 Kg/cm2

#OK#

Tdoesotexceed0.5R40.0 < 0.5R= 167.50

mm. #OK#

CylindershavingDo/tvalues Do/t > Do/t= #FROME 1#

Tr1 22.67 mm.

Tr2 22.67 mm.

Tr3 40.00 mm.

NOTE

Circumferential Shell or tube-CNS9789 5.2

43.9

Minimumrequiredthickness,Tt1=(P+Phd)R/(SE-0.6(P+Phd))

Minimumrequiredthickness(min.thickness>1.6mm)

Minimumrequiredthicknessforextemalpressure(assu

DESIGN DATA

Outside diameter SHELL or TUBE of moninal thickness

AssumeSHELLorTUBEthickness

Radiograpexamination(1=FULL/2=SPOT)

CALCULATION

Exteral Shell5:39 AM9/5/2014 2


3/14

Ps

6

Kg/cm2g

Pt 13.58 Kg/cm2g

Temp.-SS Temp.-TS

No. Description Material St(Kg/cm2) St/Sd

1 SA106-B 1202 1

2

3

4

5

6S

Ph 7.50 Kg/cm2

g

TEST Kg/cm2

g


1 TUBE SIDE SA312-312 1174 1

2

3

4

5

6

S

Ph 16.98 Kg/cm2

g

TEST Kg/cm2

g

NOTE

HYDOSTATIC TEST PRESSURE FOR SHEEL SIDE =1.25PS 1.00

TUBE SIDE-CNS9788 11.6.3 (2)

Sd(Kg/cm2)

1174


St=Max.allowablestressattesttemperature

Sd=Max.allowablestressatdesgintemperature

SHELL SIDE -CNS9788 11.6.3 (2)

Sd(Kg/cm2)

1202

Design pressure

SHELLSIDE

TUBESIDE

Design Temperature

SHELLSIDETUBESIDE

PNEUMATIC TEST5:39 AM9/5/2014 3


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1.CNS9788KEY

2.

DESIGNPRESSURE16.8

kg/cm2g

10.5

kg/cm2g

DESIGNTEMPERATURE165 280

MAX.OPERATINGPRESSURE12.4

kg/cm2g

3.5

kg/cm2g

MAX.OPERATINGTEMPERATUR135 146

HYDROSTATICTESTPRESSUR25.2

kg/cm2g

15.75

kg/cm2g

335 mm. 335 mm.

RADIOGRAPHYEXAMIATION

JOINTEFFICIENCY

CORROSIONALLOWANCE 3 mm. 3 mm.MIN.DESIGNMETALTEMPERATURE

IMPACTTEST

POSTWELDHEATTREATMENT

INSULATION

FLUID

NUMBEROFPASSES

EMPTYWEIGHT

FULLOFWATERWEIGHT

VOLUME1.27

M

3

0.56

M

3

HEATINGSURFACE

LETHALDESIGN

Material

St(Kg/cm

2

) Sd(Kg/cm

2

)

St/Sd

SHELLS SA516-70 1230 1230 1.00

CHANNELS SA516-70 1230 1230 1.00

CAP --

TUBESHEETS SA516-70 1230 1230 1.00

CHANNELFLANGES SA105 1230 1230 1.00

TUBES SA179 1670 1670 1.00

NOZZLEFLANGES(Shellside)

NOZZLENECKS(Shellside)

NOZZLEFLANGES(Tubeside)

NOZZLENECKS(tubeside)

MATERIAL SPECIFICATION

kg.

124 m

2

NA

kg.

1.00 1.00

NO

NA

DESIGN DATA

DESIGNCODECNS9788

SHELL SIDE TUBE SIDE

INSIDERADIUS(corroded)R

FULL FULL


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R 335.00 mm.

Nominalthickness tm 12.00 mm.

Designpressure P 16.80 kg/cm2

Staticheadpressure Phd 0.00 kg/cm2

Designtemperature tem 165 Corrosionallowance CA 3.00 mm.

1


Shellmaterial

Max.allowablestress S 1230 Kg/cm2

Pdoesnotexceed0.385SEP 16.8 < 0.384SE= 473.55 Kg/cm2

#OK#

Tdoesotexceed0.5RT 12.0 < 0.5R= 167.50 mm. #OK#

Tr1 4.61 mm.

Tr2 4.61 mm.Tr 4.61 mm.

Td 7.61 mm.

MAWP 20.72 Kg/cm2

CONCLUSTION

7.61 mm.

12.00 mm.

Pdoesnotexceed0.665SEP 16.8 < 0.665SE= 817.95 Kg/cm2

#OK#

Tdoesotexceed0.356RT 12.0 < 0.356R= 119.26 mm. #OK#

Tr1 2.28 mm.

Tr2 2.28 mm.

Tr 2.28 mm.

Td 5.28 mm.

MAWP 65.74 kg/cm2G

CONCLUSTION

5.28 mm.

12.00 mm.

NOTE

#SUFFICIENT#


Minimumrequiredthickness,Tr=Maxof{Tr1,Tr2}

Designthickness,Td=Tr+CA

MAWP=(tm-CA)2SE/(R+0.2(tm-CA))-Phd

The design shell thickness of

Selecting the nomial thickness of

The design shell thickness of


#SUFFICIENT#

Spherical Shells CNS9789 3.3

Minimumrequiredthickness,Tt1=(P+Phd)R/(2SE+0.4(P+

Circumferential Shell or tube CNS9789 3.2

Minimumrequiredthickness,Tt1=(P+Phd)R/(S*E-0.6(P+

Minimumrequiredthickness(min.thickness>1.6mm)Minimumrequiredthickness,Tr=Maxof{Tr1,Tr2}

Designthickness,Td=Tr+CA

MAWP=(tm-CA)SE/(R+0.6(tm-CA))-Phd

DESIGN DATA

Inside radius(corroded)

Radiograpexamination(1=FULL/2=SPOT) FULL

SA516-70

CALCULATION

Shell5:39 AM9/5/2014 CNS calculation 5


6/14

R 335.00 mm.

Nominalthickness tm 10.44 mm.

Internalpressure P 16.80 Kg/cm2G

Staticheadpressure Phd 0.00 Kg/cm2

GDesigntemperature tem 165.00

Corrosionallowance CA 3.00 mm.

Typeofhead(1=Ellipsidal/2=Torispherical) 1

2


Shellmaterial

Max.allowablestress S 1230 Kg/cm2

Tr1 2.29 mm.

Tr2 2.29 mm.

Tr 5.29 mm.

15.00 %

8.82 mm.

Finalcenterlineradius Rf 35.00 mm.

Originalcenterlineradius=infinityforflatplate Re infinity mm.

%Extremefiberelongation=(75*tm(1-Rf/Re)) 0.2237143 > 0.05 #OK#

MAWP 45.60 Kg/cm2G

CONCLUSTION

The design shell thickness of 5.29 mm.


10.44

mm.

Tr1 4.04 mm.

Tr2 4.04 mm.

Tr 7.04 mm.

15.00 %

7.10 mm.

Finalcenterlineradius Rf 35.00 mm.

Originalcenterlineradius=infinityforflatplate Re infinity mm.

%Extremefiberelongation=(75*tm(1-Rf/Re)) 0.2237143 > 0.05 #OK#

AW 30.79 kg/cm2G

CONCLUSTION

Designthicknessshallnotexceedthicknessafterformin #SATISFACTORY#Check extreme fiber eiongation for exemption of heat treatment after forming CNS 97888.6(7)

MAWP=(tm-CA)2SE/(1.77Di+0.2(tm-CA))-Phd

Torispherical CNS9789 4.2

Minimumrequiredthickness,Tt1=1.77(P+Phd)Di/(2SE+0.2(P+Phd))


Design thickness , Tr=Max.{Tr1,Tr2}+CA

%Reductionafterforming=>Assumetobe

Thicknessafterforming=Tr+CA/(1-%)

Thicknessafterforming=Tr+CA/(1-%)

Designthicknessshallnotexceedthicknessafterformin #SATISFACTORY#

Check extreme fiber eiongation for exemption of heat treatment after forming CNS 97888.6(7)

MAWP=(tm-CA)2SE/(Di+0.2(tm-CA))-Phd

SUFFICIENT

CALCULATION

Ellipsoidal Head CNS9789 4.3

Minimumrequiredthickness,Tt1=(P+Phd)Di/(2SE-0.2(P+Phd))


Design thickness , Tr=Max.{Tr1,Tr2}+CA

%Reductionafterforming=>Assumetobe

DESIGN DATA

Insideradius(corroded)

ELLIPSOIDAL HEAD 2:1

Radiograpexamination(1=FULL/2=SPOT) SPOT

Head5:39 AM9/5/2014 CNS calculation 6


7/14

The design shell thickness of 7.04 mm.

Selecting the nomial thickness of 10.44 mm.

NOTE

SUFFICIENT

Head5:39 AM9/5/2014 CNS calculation 7


8/14

DESIGN DATA

Shellsideinternalpressure(negatibesignifvacuum) Ps 16.8 kg/cm2G

Tubesideinternalpressure(negatibesignifvacuum) Pt 10.5 kg/cm2G

ShellsideinternaldesignTem. Temp-S 165

TubesideinternaldesignTem.Temp-T

280

Shelloutsidediameter Ds(Do) 694 mm.Shellthickness Ts(ts) 12 mm.

Shellinsidediameter(corrodedcodition) Di(G) 670 mm.

Insidecorrosionallowanceofshell Cas 3 mm.

Tubeoutsidediameter Dt 19.05 mm.

Tubethickness Tt 2.11 mm.

Tubepitch Pit 25.4 mm.

Tubelength L 4800 mm.

Numberoftube N 207

Tubepatter(2=Square/1=Triangular) 2

Outsidediameterofthetubesheet A 830 mm.

Corrosionallowanceoftubesheet Cats 3 mm.Nominalthicknessoftubesheet h 80 mm.

Assumetubesheetthickness Tass 58 mm.

MATERIAL SPECIFICATION

TUBESHEET Material

Max.allowablestressatdesignmetaltemperature Sts 1670 kg/cm2

ElasticmodulusoftubesheetatmetaltemperatureE

2070000 kg/cm2

SHELL Material

Elasticmodulusofshellatmeanmetaltemperature Es 2070000 kg/cm2

TUBE Material

Elasticmodulusoftubeatmeanmetaltemperature Et 2070000 kg/cm

2

CALCULATION

K=EsTs(Ds-Ts)/(EtTtN(Dt-Tt)) K 1.106

Fq=0.25+(F-0.6)(300TsEs/(KLE)(Di/Tass)3)0.25

Fq(Fg) 2.524

F=(17-100(TsDi))/15(Max1-Min8) F 1.000

J=1forshellwithoutexpansionjoint J 1

s=coefficientofthermalexpansionoftheshell s 6.513E-06 (1/)

t=coefficientofthermalexpansionofthetubes t 6.698E-06 (1/)

Tm=shellmeanmetaltemperature Tm 165

tm=tubemeanmetaltemperature tm 280

Differentialmetalgrowth,dL=L(tes(Tm-70)-tet(tm-70)) dl -3.782 mm

Pd=4JEsTs(dl/Lt)/((Ds-3Ts)(1+JKFq) Pd(Pe) -31.90 kg/cm2

Mo=Totalmomentactingunderoperatingconditions Mo 20961804.7 kg-mm

Mg=Totalmometactingunderbolting-upconditions Mg 10169837.3 kg-mm

Pbt=620Mo/(F2Di

3)

Pbt 43.21 kg/cm2

Pbs=620Mg/(F2Di

3)

Pbs 20.96 kg/cm2

SA516-70

SA516-70

SA179

1.FACTOR

2.EQUIVALENT DIFFERENTIAL EXPANSION PRESSURE

CNS9792-5.5(1)

3.EQUIVALENT BOLTING PRESSURE

CNS9792-5.5(2)

Tubesheet5:39 AM9/5/2014 CNS calculation 8
http://localhost/var/www/apps/tmp/CNS9788HEATER%E8%A8%88%E7%AE%97%E7%AF%84%E4%BE%8B/typical%20simply%20tubesheet.bmphttp://localhost/var/www/apps/tmp/CNS9788HEATER%E8%A8%88%E7%AE%97%E7%AF%84%E4%BE%8B/typical%20simply%20tubesheet.bmp


9/14

fs=1-N(Dt/Di)2 fs 0.8327

Ps'=Ps(0.4J(1.5+K(1.5+fs/(1+KFq))) Ps' 8.23 kg/cm2

1.1P=(Ps'-Pd)/2 20.07 kg/cm2

1.2P=Ps' 8.23 kg/cm2

1.3P=Pbs 20.96 kg/cm2

1.4P=(Ps'-Pd-Pbs)/2 9.58 kg/cm2

1.5P=(Pbs+Pd)/2 -5.47 kg/cm2

1.6P=(Ps'-Pbs) -12.73 kg/cm2

ft=1-N((Dt-2Tt)/Di)2

ft 0.8985848

Pt'=Pt(1+0.4JK(1.5+ft)/(1+JKFq) Pt' 4.75 kg/cm2

2.1P=(Pt'+Pbt+Pd)/2 8.02911888 kg/cm2

2.2P=Pt'+Pbt 47.96 kg/cm2

3.1P=Pt'-Ps'+Pbt 39.73 kg/cm2

3.2P=(Pt'-Ps'+Pbt+Pd)/2 3.91411888 kg/cm2

3.3P=Pbs 20.96 kg/cm2

3.4P=(Pbs+Pd)/2 -5.46929027 kg/cm2

3.5P=Pt'-Ps' -3.48 kg/cm2

3.6P=(Pt'-Ps'+Pd)/2 -17.6914625 kg/cm2

3.7P=Pbt 43.21 kg/cm2

The greatest absolute value of Max.P{1.1-3.7} P

47 96

kg/cm2

=1-0.907/(Pit/Dt)2or1-0.785/(Pit/Dt)

2

0.5584375

Tcal=FDi/3(P/(nSts))0.5

Tcal(t1) 5 647 mm

Effectivedesignpressureforshearformular Ph ? kg/cm2

Ph/Sts

1.6(1-Dt/Pit)2

CheckifPh/Sts


10/14

E-730

Outsidediameterofflange A 3217 mm

Insidediameterofflange(corroded) B 3000 mm

Bolt-circlediamter C 3176 mm

Numberofbolt n 128 set

Sizeofbolt Db 19.05 mmCrosssectionareaperabolt Ar 195.00 mm

2

Outsidediameterofgasket do 3142 mm

Widthofgasketusedtodeterminethebasicgasketseating N 12.5 mm

Thicknessofgasket Tg 4 mm

Thicknessofhubatsmallend go 16 mm

Thicknessofhubatbackofflange g1 48 mm

Tublength h 98 mm

Corrosionallowance CA 3 mm

Intermaldesignpressure P 4.2 Kg/cm2G

Flange thickness

t 121 mm

Max.allowablestressatdesigntemprtature Sfb 1406 Kg/cm2

Max.allowablestressatatmtemprtature Sfa 1406 Kg/cm2

Gasketorjointcontact-surfaceunitseatingload y 7.1 Kg/cm2

Gasketfactor m 4.25

Allowableboltstressatdesigntemperature Sb 1757 Kg/cm2

Allowableboltstressatatmtemperature Sa 1757 Kg/cm2

K 1.072FactorinvolvigK T 1.887

U 30.363

Y 27.630

Z 14.342

Factorho=(Bgo)0.5

ho 219.089 mm

g1/go= 3.000

h/ho= 0.447

V 0.146

F 0.810

f 3.940

Factord,d=(u/v)hogo2

d 11663983.8 mm3

Factore,e=F/ho e 0.004 1/mmFactorL,L=(te+1)/T+t

3/d L 0.919

Basic gasket seating width , bo=N/2

bo 6.25 mm

b 6.30 mm

?

6.25

Diameteratlocationofgasketloadreaction G 3129.50 mm

Wm1 345012.87 Kg

Factorforintergraltypeflages,F5

Hubstresscorrosionfactorintegraltypeflanges,f4

2.BOLT LOADS(CNS9791-3.3)--

Effectivegasketorjointcontactsurfaaceseatingwidth

b=0.5(bo)0.5forbo>6.35mm(0.25in)orb=boforbo


11/14

Wm1=0.785G2P+2b3.14159mP

Wm2 436277.51 Kg

Wm2=3.14159bGy

Fortheoperatingconditions..

Totalhydrostaticendforce,H=0.785G2P H 322900.61 Kg

Hydrostaticendforceonareainsideofflange,HD=0.785B2P HD 296877.42 Kg

HT=H-HD HT 26023.19 Kg

GasketloadHG=Wm1-H HG 22112.26 Kg

R=(C-B)/2-g1 R 40.000 mm

Hd 64.000 mm

Ht 55.625 mm

Hg 23.250 mm

MD 19000154.88 kg-mm

MG 514110.16 kg-mm

MT 1447539.67 kg-mm

TotalflangemomentfortheoperatingconditionsMo=MD+MG+MT Mo 20961805 kg-mm

Am1 19636.5 mm2

Am2 24830.8 mm2

Am 24830.8

mm2

Ab 24960.0 mm2

W

g

437412.4 kg

Mg 10169837.3 kg-mm

Longitudinalhubstress,SH=fMo/(Lg12B) SH1 1300.330 Kg/cm

2

Longitudinalhubstress,SH=fMg/(Lg12B) SH2 630.869 Kg/cm2

Radialflangestress,SR=(1.33te+1)Mo/(Lt2B) SR1 82.837 Kg/cm

2

Radialflangestress,SR=(1.33te+1)Mg/(Lt2B) SR2 40.189 Kg/cm

2

ST1 (1187.943) Kg/cm2

ST2 (548.335) Kg/cm2

SHismotgreaterthen1.5*Sf SH= 1300.330 < 1.5*Sf= 2635.5 Kg/cm2

SRisnotgreaterthenSf SR= 82.837 < Sf= 1757 Kg/cm2

STisnotgreaterthenSf ST= (548.335) < Sf= 1757 Kg/cm2

(SH+SR)/2isnotgreaterthenSf = 691.584 < Sf= 1757 Kg/cm2

(SH+ST)/2isnotgreaterthenSf = 375.997 < Sf= 1757 Kg/cm2

t1 81.62 mm

t2 117.18 mm

Tm 120.18 mm

120

mm.

121 mm.

NOTE

Therequiredforthenotopertingconditionst1

Therequiredfortheopertingconditionst2

Designthicknessofflange,Tm=Mix.{t1,t2}+CA

The design thickness of flange is

Therefore the norminal thickness used of

#SUFFICIENT#

4.CALCULATION OF FLAGE STRESSES

(CNS9791-3.5)

Tangentialflangestress,ST=YMo/(t2B)-ZSR1

Tangentialflangestress,ST=YMg/(t2B)-ZSR2

5.CHECKED CODITIONS(CNS9791-3.6)

#ALL CONDITIONS ARE SATISFACTORY#

6.MIX. USED THICKNEES OF FLANGE

Totalcross-sectionalareaofboltsatrootofthreadrequiredfortheopertingconditions

Totalcross-sectionalareaofboltsatrootofthreadrequiredforgasterseating

Totalrequiredcross-sectionalareaofbolts,takenasthegreaterofAm1andAm2

Cross-sectionareaoftheboltsusingtherootdiameterofthethread

Flangdesignboltload,Wg=(Am+Ab)Sa/2

Totalflangemomentforgasketseating,Mg=Wg(C-G)/2

RadialdistancefromtheboltcircletothecircleonwhichHTacts=(R+g1+hG)/2

RadialdistancefromgasketloadreactiontotheboltcirclehG=(C-G)

ComponentofmomentduetoHD,MD=HDHd

ComponentofmomentduetoHG,MG=HGHg

ComponentofmomentduetoHT,MT=HTHt

3.2For gasket seating

Minrequiredboltloadforgasketseating

3.FLANGE MOMENT(CNS9791-3.4)

Differencebetweentotalhydrostaticendforceandthehydrostaticendforce

3.1For intergral flange

RadialdistancefromBCDtopointofintersectionofhubandhubflan

RadialdistancefromtheboltcircletothecircleonwhichHDacts=R+0.5g1

Bolted flange5:39 AM9/5/2014 11


12/14

ITEM N1

Nominalpipesize 2"SCH10 NPS

Outsidediameter Do 60.3 mm.

Thicknessofnozzle Tn 5.54 mm.

ThicknessofSTDwallpipe T(STD) 3.91 mm.

Corrosionallwannceofnozzle Can 3 mm.

Materialofnozzle SA106-B

Max.allowablestressofnozzle Sn 1202 kg/cm2g

Jointefficiencyofnozzle En 1

Internaldesignpressure P 6 kg/cm2g

Desingtemperature degree 70

Locationtobeattached Shell -

Outsidediameterofvessel 219.1 mm.

Nominalthicknessofvessel 6.35 mm.

Corrosionallwannceofvessel Cas 3 mm.Max.allowablestressofvessel Sv 1202 kg/cm

2g

Jointefficiencyofvessel Es 1

RequiredthicknessofnozzleTrn=PR/(SE-0.6P)Trn

0.12 mm.

Tr1=Trn+Can Tr1 3.12 mm.

Requiredthicknessofseamlessshellorhead Tr 0.52 mm.

Tr2=Tr+Cas Tr2 3.52 mm.

Min.thicknessaccordingtoCNS9788 6.1.5+Cas Tr3 4.60 mm.

ThegreaterofMin.{Tr2,Tr3} Tr4 4.60 mm.

Min.thicknessofSTD.wallpipeTm1=T(STD)0.875 Tm1 3.42 mm.

Tr5=Tm1+Can Tr5 6.42 mm.

ThelesserofTr4orTr5 Tr6 4.60 mm.

ThegreaterofMin.{Tr1,Tr6} Trq 4.60 mm.

Tn'=Tn0.875 Tn' 4.85 mm.

DESIGN DATA

NOZZLE

CALCULATION

Nozzle Neck Thickness CNS9788 6.9.2

If Tn' >Trq ,The nozzle neck thickness is adequate #ADEQUATE#

12


13/14

ITEM N2

Outsidediameter Dn 320.1 mm.

Thicknessofnozzle tn 60.2 mm.

Corrosionallwannceofnozzle Can 0 mm.

MaterialofnozzleMax.allowablestressofnozzle Sn 1103 kg/cm

2g

Jointefficiencyofnozzle En 1

Internaldesignpressure P 45 kg/cm2g

Materialofvessel

Outsidediameterofvessel Ds 755.5 mm.

Nominalthicknessofvesselt

39.75 mm.

Corrosionallwannceofvessel Cas 3 mm.

Max.allowablestressofvessel Sv 1103 kg/cm2g

Jointefficiencyofvessel Es 1

Thicknessrequiredofshell,Tr=PR/(SvEn-0.6P) Tr 14.14 mm.

Thicknessrequiredofnozzle,Trn=PR/(SnEs-0.6P) Trn 4.18 mm.

TotalareaofreinforcementrequiredA=dTrF+2TnTrF(1-fr1 A 4524.83 mm2

A11=d(Est-ftr)-2tn(Est-ftr)(1-fr1) A11 8199.14 mm2

A12=2(t+tn)(Est-Ftr)-2tn(Est-Ftr)(1-fr1) A12 5120.30 mm2

A1=Max.{A11,A12} A1 8199.14 mm2

A21=5(tn-trn)fr2t A21 11134.79 mm2

A22=5(tn-trn)fr2tn A22 16863.26 mm2

A2=Min.{A21,A23} A2 11134.79 mm2

A5=(Dp-d-2tn)tefr3 A5 0.00 mm2

If A'=A1+A2+A3+A41+A43+A5>A,Opening is adequately A' 19333.93

mm2

A'>A

(5)Cross-sectional area of various welds available as reinforcement

#ADEQUATELY#

DESIGN DATA

FACTOR

CALCULATION

Reinforement required for openings in shell CNS9790 3.1

(1).Area in excess thickness in the vessel wall available for reinforcement

(2).Area in excess thickness in the nozzle wall available for reinforcement

CNS calculation 13


14/14

Ps 16.8

Kg/cm2g

Pt 10.5 Kg/cm2g

Temp.-SS Temp.-TS

SHELL

TUBESHEEL

TUBE

FLANGE

NOZZLE

STUD BOLT

CHANNEL

PIPE


1 SA516-70 1230 1

2

3

4

5

6

S

Ph 25.20 Kg/cm2

g

TEST Kg/cm2

g

NOTE


St=Max.allowablestressattesttemperature

Sd=Max.allowablestressatdesgintemperatureSHELL SIDE -CNS9788 11.6.2 (2)

Sd(Kg/cm2)

1230

Design pressure

SHELLSIDE

TUBESIDE

Design Temperature

SHELLSIDETUBESIDE

HYDOSTATIC TEST5:39 AM9/5/2014 14

heater design calculation

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