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AN OVERVIEW OFPRESSURE TESTING

Presentation 2006

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Index

Introduction

Definition Pur!ose

A!!"ication

T#!es of Pressure Tests

Safet# Re$uire%ents

Go&ernin' Standards

Genera" Re$uire%ents

Deter%ine Test Pressure

F"us(in' ) *"eanin'

Pressuri+in'

,ea- Detection .et(ods

Test Duration

De!ressuri+e Dis!osa"

,a#/U!

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INTRODUCTION

Pressure TestingPressure Testingis one of t(e $ua"it# contro"

%et(ods t(at is uni&ersa""# -non and

acce!ted as a %eans of de%onstratin' t(e

fitness of a !ressuri+ed co%!onent for

ser&ice1

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DEFINITION & PURPOSE

Pressure TestingPressure Testingis defined as a test conducted to an#is defined as a test conducted to an#

!ressure co%!onent or e$ui!%ent # su3ectin' it to an!ressure co%!onent or e$ui!%ent # su3ectin' it to an

interna" !ressure usin' "i$uid or 'as1interna" !ressure usin' "i$uid or 'as1

PurposePurpose To ensure stren't( of t(e !ressure co%!onentTo ensure stren't( of t(e !ressure co%!onent

To ensure ti'(tness of t(e s#ste%To ensure ti'(tness of t(e s#ste%

To detect and e"i%inate an# defectsTo detect and e"i%inate an# defects

To s(o or !ro&e t(at no defect e4istsTo s(o or !ro&e t(at no defect e4ists

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Pressure = Force per Unit Area

= pounds per sq inc!

= psi

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APP"ICATIONAPP"ICATION

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Pipe Spoo#sPipe Spoo#s

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P#ant PipingP#ant Piping

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Pipe#inePipe#ine

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Pressure $esse#s & Tan%sPressure $esse#s & Tan%s

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eat Exc!angerseat Exc!angers

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$a#'es$a#'es

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Non()eta##ic Pressure Co*ponent

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T+PES OF PRESSURE TESTIN,

A.A. Hydrostatic TestingHydrostatic Testingis a !ressure test

usin' ater or ot(er a!!ro&ed "i$uid as t(e

test %ediu%1

B.B. Pneumatic TestingPneumatic Testingis a !ressure test usin'

air or ot(er a!!ro&ed 'as as testin'

%ediu%1

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Sa-et. Fai#ure During Test

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Sa-et. Fai#ure During Test

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SAFET+ RE/UIRE)ENTS

Fo""o t(e re$uire%ents of G1I1 21502 Otain or- !er%it fro% o!eratin' or'ani+ation1

*ordon off t(e testin' area1

On"# $ua"ified !ersonne" s(a"" e in&o"&e1

Use on"# !ro!er test e$ui!%ent

A&oid stri-in' or or-in' on e$ui!%ent ein' tested

(i"e under !ressure1

Pi!in' or e$ui!%ent %ust e ade$uate"# su!!orted1

*ontro""ed !ressure rise1

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,O$ERNIN, STANDARDS

Saudi Ara*co StandardsSaudi Ara*co Standards ,I 0120,I 0120Pressure Testin'

Safe"# SAES(A(223SAES(A(223 Genera"

Re$uire%ents for Pressure Testin'

SAES(A(224SAES(A(224 7#drostatic Testin'F"uids and ,a#/U! Procedures SAES("(152SAES("(152Pressure Testin' of

P"ant Pi!in' and Pi!e"ines 23(SA)SS(23623(SA)SS(236 Va"&e Testin'

Ins!ection Re$uire%ents SAEP(704SAEP(704 Dis!osa" of

Wasteater fro% *"eanin'8F"us(in'8 and 7#drostatic TestWater1

Industr. StandardsIndustr. Standards AS)E 8717AS)E 8717 Process Pi!in' AS)E 8713AS)E 8713 Pi!e"ine

Trans!ortation S#ste%s for,i$uid 7#drocarons Ot(er

,i$uids AS)E 8716AS)E 8716 Gas

Trans%ission and DistriutionPi!in' S#ste%s

API 596API 596 Va"&es Ins!ectionand Testin'1 Or an# Standard

stated in t(e P1O1 API :22 ; Va"&es API :20 Va"&es AS)E 81:73 ; Va"&es

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,ENERA" RE/UIRE)ENTS

Appro'ed

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Equip*ent

& Instru*ents Required

Test )ani-o#d tested to at "east 209 ao&etest !ressure1

Pressure ,auge ca"irated it(in one

%ont( of t(e test and t(e ran'e s(a"" e suc(t(at test !ressure s(a"" e it(in :09 to ;09of its ran'e1

Re#ie- $a#'e ca"irated it(in 5 ee- oftestin'1 Set at

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Test )ani-o#d For .drostatic Testing

Pressure ,augePressure ,auge

Re#ie- $a#'eRe#ie- $a#'e$ent $a#'e$ent $a#'e

8#eeder $a#'e8#eeder $a#'e

8#oc% $a#'e8#oc% $a#'e

and Pu*pand Pu*p

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DETER)ININ, TEST PRESSURE

A1 T(e (#drostatic test s(a"" !roduce a (oo! stress int(e !i!e of =09 of t(e s!ecified %ini%u% #ie"dstren't( or S.>S1 ?SAES/,/5S8 !ounds !er s$1 in1S S.>S8 !ounds !er s$1 in1

D outside dia%eter of !i!e8 in1D outside dia%eter of !i!e8 in1

t a"" t(ic-ness8 in1 ?"ess %i"" to"erance@t a"" t(ic-ness8 in1 ?"ess %i"" to"erance@

NoteB Desi'n Te%!erature Test te%!erature considerations are critica"1 W(en Desi'nNoteB Desi'n Te%!erature Test te%!erature considerations are critica"1 W(en Desi'nTe%!s e4ceed Test Te%!s8 see AS.E C:51:8 :

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Deter*ining Test Pressures

8 8. -#ange rating or 'a#'es in t!e #ine >-ro* AS)E81:5 & AS)E 81:73?

C 8. operating pressure >-or ser'ice test?

D 8. 15 ti*es t!e design pressure >*ini*u*required . AS)E 8717 paragrap! 73530?

E For Pneu*atic Testing it is 112@ o- t!e designpressure as per AS)E 8717 paragrap! 73553

F

022 psig -or -ireater #ines >SAES(8(214 Par10:?, Re-er to SAES(A(223 & SAES("(152 -or ot!erequip*ent & testing condition

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SA)P"E PRESSURE TEST

PACBA,E RE$IE< >CA"CS?

VERIF> ,I.ITING FA*TOR *A,*SB51 Pi!in' ca"cs 111 7o to do it1 W(ere to 'o1

P 2 4 t 4 01=S ) DPro!osed Test Pressure 552< !si' in #our test !ac-a'e ?"i%itin' factor *"ass :00 F"an'e@

.ateria" ?!i!in' s!ec@ is AST. A 506 Grade C ?Not Grade A 111 Ce &er# carefu" c(ec-in'@

S or S.>S is Found in AS.E C:51: A!!endi4 A Ta"es ?!' :0)

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CO))ON "I)ITIN, FACTORS

FOR PRESSURE TEST

1 F#ange -itting pressure ratings >AS)E 81:5G 81:34 -or #arge dia*eterGAPI F#are eadersG etc?: Testing against a c#osed 'a#'e >11 ti*es pressure rating o-

$a#'eG not 15 ti*es rating as a##oed in $a#'e od. tests?

"earn to do 0(*inute ca#cs per pac%age and quic%#. re'ie ca#cs

Beep a -ast c!ec% s!eet a'ai#a#e -or pressure ratings Ne'er #oo%

Up t!e sa*e stu-- on a regu#ar asis 8E EFFICIENT

CORROSION A""O

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F"USIN,

T(e !i!in' s#ste% is fi""ed u! it( ater and at

"o !oints of t(e s#ste% ater is re"eased1 In

case of !i!e"ines8 scra!er is used a(ead of t(e

7#drotest ater1

In Pneu%atic testin'8 t(e s#ste% is fi""ed it( air

and it( a"" e4it !oints o!en8 c(ec- t(ec"ean"iness of t(e s#ste% # usin' a c"ean tar'et

!a!er1

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F"USIN, CONCERNS

51 ,o !oint accu%u"ated ater deris1

21 W(ere is t(e "o !oint ,o !oint drain

:1 Usin' 'ra&it# and air to "o dr# "ines1

C"o fro% (i'( !oints ?Dr# Ra'8 deris@1 Disa'ree%ents aout ade$uac# of f"us(in'1 Torc( S"a' contro&ers# for set/on e"d osses Disco"oration of ater8 noted (ea de!osits

DO NOT FORGET T7E VA,VES ?DRAINS@ *(ec- Va"&es ot(er "ocations for !ro"e%s RANDO. Va"&e *(ec-s after f"us(in' 111 >ouJ"" e

sur!rised (at #ou i"" find1

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PRESSURIKIN,PRESSURIKIN,

Test -#uid inLected at t!e #oest point in t!e s.ste*Test -#uid inLected at t!e #oest point in t!e s.ste* ,radua##. increase t!e pressure in t!e s.ste* to,radua##. increase t!e pressure in t!e s.ste* to

52@ o- t!e required test pressureG or 05 psig -or52@ o- t!e required test pressureG or 05 psig -orpneu*atic test >/C O"D POINT Equa#iMation?pneu*atic test >/C O"D POINT Equa#iMation?

02@ incre*ent -or !.drostatic test and 12@02@ incre*ent -or !.drostatic test and 12@incre*ent -or pneu*atic testincre*ent -or pneu*atic test

Disconnect t!e pressure pu*p and a##o t!eDisconnect t!e pressure pu*p and a##o t!epressure in t!e s.ste* to stai#iMe -or a period o- 12pressure in t!e s.ste* to stai#iMe -or a period o- 12

*inutes or 5@ o- t!e test ti*e !ic!e'er is #onger*inutes or 5@ o- t!e test ti*e !ic!e'er is #onger Use Tape -or pressure readings o'er ti*e o- testUse Tape -or pressure readings o'er ti*e o- test

Press into test report as !ard e'idence o- passingPress into test report as !ard e'idence o- passingtests A#so train .our /C to e extre*e#. e--icienttests A#so train .our /C to e extre*e#. e--icient

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P#ant Piping Iso*etric Draing

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"EAB DETECTION )ETODS"EAB DETECTION )ETODS

Visual Inspection Method:Visual Inspection Method:Durin' and aftert(e co%!"etion of test !ressure8 conduct a fu""&isua" ins!ection of t(e s#ste%1 A"" e"ds8

t(readed)f"an'ed connections8 and inc"udin'&a"&es %ust e ins!ected for "ea-s1

Pressure Drop Method:Pressure Drop Method:After stai"i+ationrecord t(e e4act !ressure and %onitor durin't(e test !eriod1 T(is %et(od is !articu"ar"#used in testin' !i!e"ines or an# 2 (ourrecorded testin'1

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Pressure *(art

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Pressure)Te%!erature *(art

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"ea% Detection

In Pneumatic TestingIn Pneumatic Testing a"" 3oints are

ins!ected # a!!"#in' a %i4ture of soa!/

ater so"ution or an# co%%ercia" "ea-

detectors1

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TEST DURATION

:0 %inutes %ini%u% for (#drostatic test of !"ant

!i!in'1 (SAES-L-150 Para. 7.2)

In !i!e"ines8 2 (ours stren't( test !"us 2 (ours

recorded ti'(tness test1 (SAES-L-150 Para. 8.3) (rs for fireater "ines1(SAES-B-017 Para. 12.6)

As "on' as necessar# for ins!ection of "ea-s in

!neu%atic testin'1 For Va"&es8 as !er a!!"ica"e standard suc( as

API

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DepressuriMing & Test

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"A+(UP (Refer to SAES-A-007)

,a#/u! ru"es ?5 60 da# 111 ,,@A%ient ,a#/U!

Dr# ,a#/U!Wet ,a#/U!Inert Gas ,a#/U!Use of Va!or/P(ase *orrosion

In(iitors

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