lrotr if..f-i .-- ^, i-6i.ofl-dftf;...
TRANSCRIPT
IT' t
t :
F i v . I . L t d . rP , i D u i ! n .!Iiidnl Spcolflcatlbn for !.19h Plcssur. Vesscla
iis 3301llnn oxurc Ibhr.t 1 of I
lhc f ol),otilng'.tebl"a lndtrcetes tLre riocusratstion to be sent t o .F C] rr!d. r P d .LDtvn. Unless mrntlon.d othcr.rri,B., th. s. i .ouecnts shrl l bG rcoresseo i,o Cblcfl lcchflnical ir lnglnorrr P & D Dlvll lon, IICI Ltd., 6lndrl .
Co1unm {r refors ts be docurncntntion to o-c gcnt for Purchaserrs epprovel.
C olusln B refcrs to tht documcntatlon to bG scnt to Purohaser for records.tjymbrh for docu.ncntct lon Goplaso
P = Prlnt.T = Trrclng (Bepreduclblc)
:,1. I Docuncntetion I--=.=-=.L--l-- B-,,.". r 'Lrotr iF.."f-i ".-- ^, i-6i.ofl-Dftf; o?-
laoples l TGftafaln8I eopicsl forulrdlni
' l . Dcsltn celculat lon
2. Acsenbly & Actri l drrulng!
) .
Deteil dnwlngs of vcsscl lntcrnrls 3 P
Proposed febricetion progra&n€ 3 I(tn the forn of btr chart )
Itcnlescd prLcc l lst of, spares 3 P
5 , Fil-}l Tcst Rcpor"t s
7. i ' lechenlcel .Tcst Frports
Tlrnc-t a nrp eraturc d|grrm ofstross-rallef.
Rcport on redlo6raphy lncludlng defcets-permlttrd .nd rcprlTs denc, along wltha drnulng shovlng thc poslt lono ofredlogrrphr on vcsscl.
Vsssol Deta litport
50 days 3 P i0 days aft.er approv al
11 days a f t .cr f inafepProval
J0 days eft"6r final'on::""'
- i
l0 oays a f t .Gr ecc rpt an(
30 days aft-ar s gcepten(
J0 deys a f t -G! lcc eplenc
50 days aft-er ecoept ancc
60 clays aft-Gr aceeptrnce
3 P
sfter orde r
60 dnys PP+27nftar order
60 cteys )P+27ef,tcr or4cr
60 daysrfter ordcr
90 deyseft cr ordor
i P
9P+2I
8 .
, .
5 e
, P
1 0 .
l ' . c , I . L t d . ,P & D D l vn .$INDBI
E![0I hllliiliI ]fG $tlttliDrrRD Es 3301
sbtct ! of LSpecificatlon for l{lgh }rcssrure Vessells
1 . g c o p c
' l . l l h l s L n g l n e e r i n g S t a n c i e r d e o Y e r s r e q u l r e n c n t s f o r d c s i g n ' f a b r i c a t i o n a n dinspection of higil" i ;c!-"""J-""t"of"=fo" dGslgn pressur; &cceding 100 r4flcl
1oA these requlrenents arc supplcmcntery to the roqulrrment- s of the dcsl6n aod(spi-irr i"qorrtncnt" roi irirrtuayciesssels arG co?'rfd by dg 3303'
2. Gcncral
2"1 A}1 hlgh-pressurG vc8s616 sha1l gcner5lly. eonfonr. !" !!: roqulrcments of,- A$MB c6ae. sretlon vif i . Dlvlgloi 2 or othcr deslgn codc ns spcclf ledt.-except as'rnollf lcd herein. Any dellatlons from thesc rcqulr€Bent a. snartbG U.sted es reiorrcd to Purehlser for revicu and approvelr prlor tonenuf acturr 'of thc affccted parts.
J. Referenee $itendsrds
ASME coDd : l icctlon VIII. l l tvislon 2 - Alternctive l lules for pressurevesscls Section IX - WeldLng qua!.lf lcations '
lEI Stcndgrdg : F,S 3303 - l,(u1tlleyer Prcssurc lessels - Special llequirerne nt
r is 3310 - Hlgh Pressurc Vsssc ls - Inspoct lon requl rements '
PDS r !V 003 - Narneplate for Vesscls rnd To!'ers'
\. l i f t tcrials
\ .1 Meter ia ls s t ra l l be as spcc i f led in Pulcheserrg VeEscI Epcc i f lcat ion. oheeL s"riherr not specif ieri, any matcrlclg confoluing to rccogrl1gco irel lone'L i|f,rn-cierds suLtrbf.a i;; {,rrJ intincrod sorvice shall be useo. ,irlternetilc mrteri-"ala nrey 6s uscd only *t prlor apilrovnl by Furchescr'
J . Dcs lgn
,. ' l Dcslgn celculatloni end the dete -on uhlch rlcsign strcss velues erc deter-mined as euovo iirifl-UJ iufrmfitcd for approvel-by purchas€r. Purcheserr s
+proo"i "r "o*lpieocc of such cele uletlons/drevtngs sha1l not rclleYetir l mrnufrcturcr-of ful l responelbll l ty for setlsfectory deslgn.
5.A Dcf,, ign of rnrlt l leycr prlssure vcssels sha1l bc es pcr cleuse \ of i l$ 3:0:"
5.i t{het|e the ghall ls of lntegrally cled plete or chd by veld everrayr thit t r t c t < n e s s o f t h e c l a d c l n g s r r e t t u e c o n s t d " r G d r s c o r r o s i o n a . L l o v a n c e o n L yend not-lncLuded ln the itrcngth celculatlonr of thc 8hG11 .
A 1
I'abrl crtion
Incc vXth nrnufectureril s ovn r'tritt enqualif lcd ln accord'ance'. vittr ASMtr.1c quirencnt s spectfled ln Jisl'lh Codet
s; 3301shcet-.jlof!1
t r / ^ r ?
P & DSINDBI
T + ? l
D1vn. bpcclf leetlon for High Pressuro Vcgsal-s
5,2 ,^'herc electroalag ueld"lng is useo for welding of mrln. iongitudlnel Eeemaof vessels in C ina CrMei ut,eel, ."ch iUelt Eourse after ieldtng shall begert| i f l=Ja it tfro noru.11sing tiuperature of the base nPtorlal" i ihcrr/shelt is ro. oi-no"t.ffgid Itc t inp-rcd of quonchcd and-t 'cmpered.s!:eflf
,r.ttrc heat trcatmint afi lr wcldlng shll l conslst of normall l t lng 3nd tempcr'.,
' i i i l I"- inJ."*o *onn"" rs rpecif icd for thc bese rnetcrlr1 .
5.3 Casket surfaces of gi rth f lenges anc tube pletes shell preferably oernachincd efter welci l ng and post-uelu hoat trcstacnt '
7 . Inspcct lon & l est lng
7,1 Al1 vessils shall be subJGct tc inspection anti t::!rnE roquircnents assoicfffcd in eu-:lt0 ina-eny addlt lonal requlrements speclf, lce !nplrcti ier's Vesscl spcclf lcit ion sheet or 're$lng'
7.2 For e1l, tho f lrnged oonncctlonsl- as $ct of nev gaskets. shell be auppliedln &ddlt lon to lf i i 6et used for'hydrastatic testr whlcb wil-I remal'nas scr&led ln the vcssel'
B. Draulngs and Docuncnts
Thc manufacturor shell furnl rtl df,evln8I rnd docuncnts rc.Lndlcstcd 1nlin.i" i"- i . Ai1 arawrngs .nd doeuncnts shrl l be ln 8ng11rb Languego'
9. Vessef i ' i e rk i ng
q"1 The menufacturers shel l furnlsh and securely attach e stalnless Steel7' '
dfo":;;i:;;-;;;;pi;t;-coniirnine thc pertltulars as par pD$:PV 003'
S-2 Thc coulDment eode numb er she1l bc pslnted on the r les$G1 at a eonspi-
euous'pl lcc ln letters 150 rnrn hlgh'
g.3 ir1l test end ldentl f lcet ion narklng rh811 bc elrcumscrlbcd by a palntcd
c i r e l e .
10 , sh lpp ing
1O. l A f tc r f1n8 l lnspGct lon anu be forc sh lpmcnt t . th : " : : :91 s i ;a 'L l oc c lc rnec '
both inside .na-o"i t iOo, of r11 ahop i i i r to'roosc seaic, grlrsee ctc'
10.2 Out atdc surfeeos of tLre vcsscl shril be glven &. ahop eoet of rcd lGad
;; i;; .ppdio-6n-" i i i"i., ory-suriecu. Thc rust prcvcntLvc coatlnsover mnchln.o sutf"uc* ifref L'ilo ef rcedily removsbl6 t1rp6+
10.3 Nozzlcss thall bG sceled by @@vGrln6 ul!!pr"ticli.i-*lttr oo]td uoodin covcrs' Allbc Plugged.
olensulth thc maln bedly of tbe vessciri nuiuor and aqulpncnt eode -!ugq'r.
llr,-tlil"t to bc asscrEud ln rlcrd snarr
11. Gurentee
Thc 'nenufecturar shall guerante-e ttre vesscl egelnst defc€ts ln meterlals
end uorkmen"nri- fli-i-p|iilura--of oni yi"r af tci ttrc cqu:l"pncnt !"s instelfed
Ln sefv lce.
ofeetle cheets and sirel l bcthrc eriod conncctlons shrll
r l' lt
I tt i
2 0
2 . 1
4 .0
\ , ,
5 I "AN DARD
Specif icat ion for Heat fxchangers
Scope
Thir speci f icar ion coyers requircn€nts for desi8n, fabr icat ion rnd insPcct ion ol ent i re h€at t ransfer equipment!
compris ing coolers, he:r tars, exchanger: , condensers, rebsi lers €tc hereinaf tar ref€rred to as.xchenSers.
ExchanB€rs wirh design pressures exceeding 2O0kg/cm:, boi lersand f i red heatersare no! covered by th i5 3Peci f icat ion
Ge €ral
' l h e d c s i g n a n d c o n s r r u c t i o n o f e x c h a n g e r s s h a l l c o n f o r m t o t h e r e q u i r e m e n t s o l T E M A S l a n d a r d , c l i s s B : A S M E
Code. S€c. ion Vl l l Div. I or other re.oBnised Codes as sper i f ied in DrawinSs/Order unless ment ion'd otherwisc '
o n a r m o d i f i e d h e r e i n .
T h e d e s i S n a n d c o o s | | u c I i o n o f f e e d - w a ! e r h € a l e r s o r s i m i ! l r € x c h a n s e r s c o m i n t U n d e r t h e p u r v i e w o f t h € | n d i a n
B o i l e r R e g o l a t i o n s r h a l l c o n f o t n r E o t h e r e q u i r e m e n r s s P c c l f i e d . t h e r e i n '
Th€ manl facrurer shal l furnish drawingr and documents tor Purchaser 'a approval as detai led in ES 3l0 lA (FCl Standard).
Mater is l3
M a r € r i a l s u s e d i n r h e c o n ! r r u c t i o n o f e x c h a n g c r s s | : , l l b e a s p e r P D S : H E 0 l 6 , u n l e s s o t h € r v r i s ! s p e c i f i e d o n d r a \ / i ' 8 s
Al ternn! lve mater ia ls Inry be uscd only or Pr ior aPProv"r l by Purchater '
E x c h a n g c r s H a v i n g d e s i g n r e m p e r a r ! r e s o f l 5 ' c o r b e l o w s h a l l b e t a b r i c a t e d o f m a t e r i a l s w h i c h a r e i m p a c t t e s t e d
for Notch duct i l i ry . lmprct test rcquirements shi l l l be as per hS l00l '
Design
Form€d heads and ter iconical sccaiont sbel l ba Provjded YYith a minin lum th inning al lowan'e of 109/o of the calcul i ted
rnin lmum thickness Plus coarosron al lowancc.
E N G I N E E I i I N G E 5 3 2 A l
SHEET I OF 5
the de5;gn calculat ions for
weldr on s l ip-on f i ! t in8s
may be employed for
t h e f l u i d l s A m m o n i t ,
pasr part l t ion plate,
be lvgided on vette, i
1 )
l 0
4-z Fixed tube sheer exchangers wirh h igh temper:r rurc d i f fercnt ia ls shal l be provided wi th ?xpant ion bclows, f i t tcd wi th
sui table re inforc ing r inSs cod€ d€sign of exPansion belows shal l be mutual ly agrced uPon betwc€n Purchaser and
the manufacturers '
4 . 3 1 | c | a d P | a ! . f o r l i n i n g i 5 s p e c i f i e d . c I a d d i n g o r I i o j n g t h i c k n e s s 5 h a | | n o t b e i n c I U d e d i n
r h i c k n e s t a n d s h i l l b e c o ' r s i d e r e d a t c o r r o r r o n a l l o w a n c e o n l y
4-4 For €xchanSert in serv;ces that causG hydrogen Penetrat ion ' the under spacc between
shal l be vented to atmosPherc by provid inS a 6 mm diameier hol€,
4.5 Nozr les & Conn€ci ions
( l ) N o z z l e s o t n o m i n a l 3 i z e l N 2 5 a n d l a r g c r s h a l l b € f l a n r " d l h r e a d e d c o n n e c t i o n s
oorninal s izes bclow DN-25. Screw.d connect ions are prohib i ted i ' Serv ices wher€
caust ic , acid or 8ase3 a! or over 6k8/cm! Pressure.
{ 2 ) D r a i n s . n d v e o t s s h n l l b e a s p e r P D s : H E l 0 5 .
{ ] ) A v e n t a n d a d r a i n h o | e , 6 m m d l a 3 h a | | b e P r o v i d e d a t h i g h a n d | o w P o i n ! s o f e a c h
{4t Al l nozzles !DN-65 shal l be st i f fened wi th three equidistant r ibs Such r ibs shi l l
required to operrte at low ternperalure.
4.6 U-tubes sl lal l be ol one-piece construction, l ' loan rsdiu5 o{ u-bend be n9t lesr than 1.5 ! imes the oursidr diaf ieter
of rhe lube.
P. & D , 0 t v t { .
' Eoz,vt
E N G I N E E R I I \ 6 5TA N DARO ES 32Al
S H E F T 4 O F 5
f
P . & D . 0 t v N .Specification fcrr lJeat Exch an gers
5 . l l v V h e r e s t r € s s _ r e , i e Y i n g i i s p e c i f i e d , I t s h r l l b e p e r f o r m e d a t r e r a l l w e l d i n g , i n c l u d i n g w € l d r e p a i r s h a s b € e n c o m p l e l e d .
5.12 I t two or n 'c l re exchangcrJ having inrerconnect lng nozzles are to bc stacked, they shal l be ser up in the shop indc h e c k e d f o r n o z z l e m a t c h . I n n o c c s o t h a t l t h e g a s k e t f a c e s o f m a t i n g f l r n g e s b e o o t o f p a r a l l € l b y m o r e r h a n 0 6 m m .
6.0
6 . 1
8.0
8 .1
8 2
9.0
9 .1
6 .2
7 .0
t0 ,0
t0 . I
Al l exchangers shal l be inspected by Purchasar 's Inrpecror/Aurhor ised Ag.nt LJnlcss any part of such inspecgoni i waived by Purchascr, lnrpecr ion requirem.nts she
be as per ES_3010, except as modi f icd her€in.
For U-tube and l loar ing head exchangers tube bundle shr l t be inrcrr€d into the sh€l l end chccked lor c learanccand bioding b. for€ carry ing our hydrortat ic test ,
Test int
Al l exchangers 3hal l be hydrost i t ical ly test€d wi th wer€r, unl .ss pn€urmt ic ! , ra lsure ter t ing is specl f i rd. The shel ts id ' and tubc s ide arc ro bo tested seDarately ln 3uch a mznn.r thar l .aks at thc tube io;nts cen be dctectedfrom at lcet t on€ . id! wh,rn .onstroct ion p€tmirr and tube design pressure is the higher prcssur. , rhe t {bcb u n d l e s h a l l b e t e s r e d o u t s i d € o f t h e s h e l l
F o r e x c h a n g e r s w i r h f l o a t i n s h e i d r . c q u i r i n g t e r t r i n g r ( a s p . r T E M A . F i g . E , t t 3 - 2 ) f o r . . r t i n g o n t h c s h c l ls i d c , t h € t l s t r i n g a n d o t h r r i r $ c h n l . n r j r e q u i r e d t o r t e s r i n g s h a l l b c f u r n t s h e d b y t h e m a n u f a c ! u r c r .
R€ports and R€cords
The manufacrurer shal l furn;sh cerr i f ied Manrr l rcturer , ! Data Rcports for each exchangcrs.
The Manufacturer ihal l maint i io records of mi ter i i l used and welding qual i f lcat ions, srress-rel ief t€mperature r€cor6send radiogrePhs, i f aoy. 14eter ;a l records shal l contein mi l l test reports inc luding chemical analysis, mrchenicalprop€rt ies, and heat- t rearment g iv€n, i f any,
Marking
All exchangcrs shal l be provided wirh e nam!platc ot lB-g Srainlesr Sreel containing the part iculars specif ied inPDS : HE 321 and artached to a conrpicuous parr of lhe exchanger.
In 'rre Equipment cod€ number bharr be pninr.d oo each exchanger rt a conspicuous prace iol € r r ! . . . J i , r r n . h i gh .
Despatch
After t inal Inspection and before dcrpatch, exchan8ers !hol l be cle:rned inslde and o!rside of al l shop djf t , tooj6scale etc, Al l €xterior surlacos of equipment of carbon sreel sh!l l be painred wiih at hast one shop-coat ofZinc Chromrle/ iron Oxide Primer before dcsDatch.
10 .2 A l l mach ined su r fa<e r ! ha l l be p rope r l y p ro tec t cd f r om rus t andm:chan tca t i n tu r ) , du r i ng t r ans i t and ! t o regea ts i t e .
l0 3 Nozzlee shal l b€ terlcd b) ' coYcring wilh plelt lc sheet and prorecred y/ i th bolted woodcn covers. Thrcaded.onnectiona shal l be furnlshed with plugs.
lo'4 Al l Parct not lssembled ir tegral with the mrin body of the equipnrent shal l be markrd rvith the puachase OrderNumber and EqulPment Codc number for their idenrif icarion, Adi.ccnt piecc! to be as!embled In th. f ield 5hrl lbc !uitably match-marked to ensuro proper f i t .up,
*EN GIN E IRING STAN DARD ES 32O
SHEET 3 OF 5Specification f'rrr Fleat Exch an ge rs
A l l l o n g i t u d l n a l a n d c i . c u m t € r e n r i a l s h e l l j o l n c a s h a l l b e f u l l p e n e t r a t i o n d o u b l e - w e l d e d b u t t j o l n t s T h ! r e v e r s e
side shat l bc welded afrer chipping, gr inding or Souging out (he roo! of the f i rs t s ide to sound metal .
Where sound back-welding is nct feasib le s ingle weld.d io ints wi th backlng str ips or r inS! shal l be used.
Al ternar iv€ly root run shal l be done by TIG or MIG to enture ProPer Penetrat ion.
( 2 ) S i n g l e - p a s s s u b m e r g e d a r c w e l d i n g f r o m o n e s i d e o n l y i s n o t a c c e p t a b l e .
u.z6
N .P . & D . D r V
5 . 5 ( r )
(3)
(4)
Flamc or arc cut t lng shal l , as far rs poesib le, nor be employed on al loy r te€l and al loy c lad plater l f employed
at least 3 mm of matal shal l be iemoved {rom cut edges by mechanicr l m.ans-
The Inside of shel ls shal l hav€ al l bur13 and weld re inforaemencs removed f lush wi th th€ inslde surfacc of the
s h e l l . p r e f € r a b l y b y g r i n d i n g .
LonSirudinr l baf f les weldcd in shel l shal l be in one piece end the weld shal l not fa l l on or c lose to the longi tudinal
ream of rheshel l . Th€ stat ionary rubesheet in such cases; shal l beEroovod to conf ine the tubesheet to baf f le gasket .
t f r h e m r i n c h a n h e l a n d s h e l l f l r n e a s a r e r n a d e b y b u t t " w e l d i n g p l a r e ! € g m e n t s , t h e j o i n t s s h a l l b € f u l l y r a d i o s r a P h € d
and hear r reated. Sh€l l and chr. rnel g ' r rh f laoge, shal t have 0heir [3sket faces machined af ter heat t reatment.
T , r b e r o t u b e s h c e t i o i n t s s h a l l h e . s p e r d e r ! i l s s p e ( i f i e d l D P D S : H E l 0 l . J o i n i n g ( ' , t u b e r t o t u b 3 s h € c t t s h n l l
be in accordance wirh E( 1203.
I n c e s € o f s t a i n l € s s s t e € l r u b e s r o A S T I ' 1 A 4 5 0 h a v i n g a r o l c r a n c e o f 1 . 0 2 5 m m o n t h e n o m i n a l o u t s i d e d i a m . l e r s
to obtaln a 3al is facrory c learance berween the ours ide ot the tubes and the insid€ of the holes in the tubcsheet,
the fo l lowing proccdure shal l be fo l lowed lor tube-hol . dr i l l 'ng.
( l ) D e v i d e t h . r u b e s i n r o t v ! s e p a r a t € S r o u p ! o n r h e b r s i s o f a c t u a l n l e a s u r e d O D S w i t i r e a c h t r o u p o f t u b e s
haying r to lcrana. zone of 0.1 mm or ly.
(2) Dr l l l !ube holes In tube shc€t in f ive groups correspcnding to th€ f ivo Sroupi of tubet , wigh c learance in
each group ranging f rom 0.1 to 0.3 mm.
5 6
5 9
Examp le : Tube O D . . I 0 n1m (non r i na l ) .
Tube O.D. (mm) to Tube hol€ dia (mm) Actual fromNomina l
H o l e D i a ( m m ) t o
Group I
9.85
10.05
t 0 . t 5
9 .85
9.95
t0 05
t 0 . t 5
i0 .25
t0 .0
t0 . t
t 0 . 2
t 0 . 3
t0 .4
9.95
r0.05
t 0 . r 5
t0.25t0.35
t0 .05
t 0 . r 5
,0 .25
t0 .35
r0.45
(3) The manufaccurer's f ini l drawings submitqcd to
to bG adopred,
5.10 ( l) Weldin! and formi g of austeni l ic s! i ioless stccl
( 2 ) s t . i n l c r ! s t ee l l i n i ng rha l l be as pe r E53601 '
Purcha<cr rhal l cl€arly indicat. th. actual dri l l ing schedule
exchanSers shal l be as per ES 3102.
'r (f
zE N G I N E E R I N GSTAI IDARD ES 3201
SHEET 2 OF 5
( r )
( 2 )
4.7
P. A D. Dlv l l .Specif icat ion for Hcat Exch angers
Mult ipa$ channels and f loating head covers shal l havo as iD3ld' depth such that thc minimum cros3_over
area for , lory betwcen !uc!e!. ive tube prrses is at least 30jd mor! rhan than th6 f low area of the larScr pat3
for warer servlce, and al least lo I more rhan t lre f low arer of rh. larSer pess foa other servlces.
tn cxchangers. whare bafl l€s are nor r?quired, supporr plares shal l be provld€d as per PDS : HE 109. Spactnt
of suppoft ptate$ shoutd b. iuch thr( un5upporred !ube lcnSth dr?r not exceed th! value ,pecif ied in the
TEMA standard -
(t) Jack screws shal l be providpd ar al l f l . lnges girrh ioinrr to Iaci l i taL€ disrnanrl inS. Flanged Sirth ioints ernPloyint
unconflned plain fec€ iointr shal l have dowels or other mea.js of holding the Saskec in place during assemblt
and to prevent misal iSnmcnt,
(2) ! i f t lng and handl inS d€vtces Al l chrnnels, cover! and tube plares shal l be provided wi th l i f r inS lugs or eyebol ts
ar per PDS : t lE 30'1.
Supportr
( l ) Hor izonral exchangers sh:r l l b€ supported on sreel or concrete snddles Unle! t other! , ' , ise 6P.c i f ied, ste€l
!addles 3hai l be u!ed \ ivhi rever the operat ing temperalure exceeds 200"C.
(2) Where exchrnger i ar€ i ipportcd on corrcr€te srddles, corrosion ptates shal l be provlded between the saddlcg
. n d l x c h a n g e r , T h e s e p r ; L e s s h a t l b e 6 n t n r t h l c k a r d s h a l l e l r e n d 5 0 n r m b e y o n d t h e p e r i P l ' e r y o f t h €
bcar lng t re. of th! sadd,e atrd shal l b€ weldad to the shcl l
( ! ) V G r t i { a t e x c h a o 8 e r s s h a l l b e ! u p p o r t e d o n s k i . r $ o r l u g ! . S o p p o r t € d . r d d l . t l n d l u t s s h a l l b e a s P e r P D S : I I E
301 rnd HE 30?.
(4) l f hor lzon(al exchangers are to b€ stacked, suFporrs lof the upper exchan8€r shal l be furnished on ahc low.r
exchanter. Where necerrary, sracked uni ts shal l bc provided wi th .ddi t ional bmcinSt on 6hel l to Prsvent
dlstar t ion,
(5) In carc hor izonrr t exchangers, f r€e saddl€ supporr shal l be Provided wi th t l ld inS plate. Thir may be 6 mm
thtck plete and ihal t exrencl 50 mm. beyond che basa pla ie on al l s ides. Sl id ing Plale shal l h lv! round holes
lor anchor bol ts.
Fabri.at ioo
A, trr ea gractlceble, shel l secrions shl l l be made out ol a single plat. wi lh onc lonSiludinal weld seam. The
longltudlnal seams of adiacenr courses shal l be i tagger€d and as frr as possiblc, 3eamt shal l be Posit loncd clcar
of suppor! i to be rredi ly vislble for exnminal ion in servic€ after rcmoval ot in!ulat ion i f any.
Nozzlea thal l be locat.d, a! far es po.siblc, clerr o{ the longitudlnal v.eld loints. Where i t ls not possible to
do so, Purchaier 'r prlor approval shal l be obrained, aince increa!e in reinforcement may become necc3sary.
The fol lowing tubes shal l bc heat rreai€d after cold bending ;
l) Al l carbon rte€l and 3'9loNi steel tubes, when the m€an radius of bend i5 equal to oa less than 5 t imes
tha oulaide diameter of tube-
l) Al l Cr-Pto steel tube!.
T!ba plaie! shal l be In one piecc only. Faces of tube platcs shal l be truc before and altar tubes ere rol l .d in.
The gaiket faccs of f ixcd tube exchan8ea3 ihal l be machlned to a tr le Phnc,
4. '
5.2
5.4
l ..!l
6
\. t
9!
E S 3 2 0 t
st.lEE_r 5 0F 5r ' . & $ , D i v H .
ENGINEERI f ' l "TAN DARD
Specification fr:r Heat Exch angers
* Specif lcnt i 'Jn ot S.S l inlng of vassclc 6nd exchangeu,
* l , lalerlal Speclf ic?t lon for Fcrrour l" l€at ExchengErs lFor nor-corrosiye servic!).
- Hcat Exchrngers i6ining Tub. !o Tubc shreltr.
H€at Exchantcr - V€ntr .nd Drainr
Hert exahrngerr - Bitlle! and support pltter,
Structurel Saddlei for H.rt Exch.nt.rr.
Brrckcrr for Vcrt l . . l Hoat Exchangers.
Llfr iBg Lutt, Jrck !crew3, E/c bolt ! and Dowll pins lor Ha.t Exchanga.r.
Namaplr!. for Ha.t Exch.rSerr,
| 1.0 Guarantc.
lhc manufacturcr thal l Suarant.€ th. .qulpmont agelntt drfecrlvc mrterlala and workman5hlp tor . period of atlcast one year after the lqulpman! Ir in3tal led in se.vice.
Rcferenco Standard$
TEMA Strndard
ASME Cod. for unfir .d Prcrrur€ Veerels, S6ctton VIt Dtviston L
MS l00l - Low temperaturc rt€elr tmpact r€quiremcnB.
ES l0l0 - lnspcction requi.em.nts-Pr. i3ure Ve3iek rnd Exchang€rt.
ES 3t0lA * Docrmen
requir.d for prerrure vesiels dcsigned by p!rcnisGr.
ES .1102 * Spocif lcarion for welding and fofming of austcntttc j tainiess i teet.
ES 1203 - Jolntng of Heat Exchanger rub.s to tube-$heetr.
PCS ; HE 016
PDS : HE l0 l
P D S : H E 1 0 5
PDS : HE 109
PDS : HE 301
PDS : HE 301
PDS : HE 30,1
PDS : HE 321
i l
lLI
l il ll
Ii
t .
F.C.l. Lro.P. & D. DIVN.
SINDRI
NAME PLATE FOR HEAT-EXCHANGERSPDS:HE 321
sHEET. . . . . .OF. . . . . ,
o
Ff-
ot-
l=l >l 4t f
I
l6ltDt @lu't '
z
3
F_9t-
c,o(tmzo
6I'rlrrL0m-{cCD,rt
Ictttl
xIFC'a,
{mU'-t'tt7tn6Urcarn
t
P
n,c)J,-6l
I
3 e-t 'll
; e .a 6 |P zz oo o' 9
trl
3l!(-o@
zI
zq,!mC){,ttI.D
z.rn
a r t-c )
{fno
DRN. 8Y r D. PRASADDATE t-l
cKo, BY : PPuai try, ". " l ." i ':2 6 . 9 . 6 4
fv^ L-e-4
. , . ,lF . c . t . [ to .'d
6.e 9r vru.91,\rDR I
ENGINE ERING STAITIDARpPROCEDURE FOR FREON LEAK TES-T
E s 6 0 1 3
SHEET I OF I
SCOPE
Tbla.atandarg 1?ys dovn the procedure for leak-testlng of rreldedJglate 1lke heat exchanger tube uelds to tuUe ,t""isr 'ei"." 'vhere tr&eonn test ls speclfleit.
T?r1s standard covers leak-detectlon by neans of Halogen Dete-e-tors eoploylng probee sensltlve to ti:e presenee oi ieioe.n-vapour s, l lke Freon - 12.
SEUBAL?estlng qhc! tg_earrled_out uslng blogen Leak Deteetore ofapprov€'d nake (Frlogen l€ak.hte;ters iale bt rtdi;- i l ;r;Eatabllslrrent Tr.onbai are aeeep bi;);
-
l'fanlfb e trr er I s lnstructlons anrl eautions for sa retx shall bestrletly lfolloved.
teak tests sha11 alvays be folloveit by lyelraul lc precsure testB.lEsr PROCApW!
B_efore eon' enclng leak-test, elean equlpent thoroughl y anr!blow vlth eonprcssed alr. -- -- --r '
Cheek for grosc leaks un.! cr Wl€r.eatle pressure of half tbea1:l6rrbt e-yorktng prerrure, but not cxlccairl-:.f i7&esl"e""at 1ca8t l0 tl.nutes. Reeflfy any 8ros, l€aks*at;i;ctia.-' -
3.3 Cloge_el 1 openings of the aysrdth heon - t2 6r qulvele;trn ay al $o be used) . Approxlnatused Der eublc metrc volune o
3.\ Ralse pncsrulc Ff lntroduelng eoDprcraed alr tlll ttre testprar saure ar 'tcntlonef tlr 3+2 is rcaehed.
3-5 Test for lcaka by Drovlnlt- rrob€ berc about ao-zt nn fron surfaceundcr test. ark srrots shoylng l6alege.
3.6 After thc wbol e surface 1c tested repalr leelcing spots endretcst t111 no leakc are Cetectel.