IP 3-12-9
General Requirements for f or Valves
Page 1 of 5
I/.ER/%.IO/%0 PR%C.ICE
(This This prac practtice ice is is ap approp propri riat ate e fo for at attachm achmen entt to Inq Inqui uiry ry or Purc urchas hase Doc Docum umen entt)
Rev Rev. 2
June une 2 2 Canges so;n 4
SCOPE I
1.1
This practice covers general requirements governing te !esign" ins#ection" testing" an! #re#aration for si#ment of valves$
I
1.2
%n asteris& '( in!icates that a !ecision "y the Purchaser is require! or that a!!itiona# information is furnishe! "y the Purchaser.
S)**%R+ O, %I.IO/%0 RE)IRE*E/.S I
2.1
.ale 1 #ists 1 #ists the practices an! stan!ar!s $hich sha## "e use! $ith this practice. .%0E .%0E 1 PR%C.ICES IP %&12&' %&12&' IP 2&1 2&1&1 &1
#oc #oc *a#ve a#ve Pacin Pacing g +ys +ystem tems s Inspec Inspectio tion n of ,qui ,quipme pment nt an! an! -ater -ateria# ia#s s S.%/%RS
%PI Stan!ar! 5' *a#ve Inspection an! Testing %S*E 1/. 1/.%0 %0
I
2.2
*a#ve a#ves s #an #ange ge! ! Thre Threa! a!e! e! an! an! 3e#! 3e#!in ing g ,n! ,n!
.ale 2 #ists #ists the practices practices co!e an! stan!ar!s stan!ar!s that sha## "e use! $ith this practice practice as specifie specifie! ! "y the Purchaser.
.%0E .%0E 2 PR%C.ICES IP %&1/ %&1/&1 &1 IP 15&&2 15&&2 IP 1'&%&0 1'&%&0 IP 1'&0&1 1'&0&1 IP 1'&9 1'&9&1 &1 IP 1'&1&1 1'&1&1 IP 1'&12& 1'&12&1 1
#ange #ange! ! Joints Joints 4aset 4asets s an! an! o#ti o#ting ng -otor -otor ctu ctuato ators rs for *a#ves a#ves 6asting 6asting 7ua#ity 7ua#ity for *a#v *a#ves es in 8y!roge 8y!rogen n +ervice +ervice an! 8igh 8igh Pressure Pressure +ervic +ervice e Post$e#! Post$e#! 8eat 8eat Treat Treatment ment of of ,quipmen ,quipmentt 8an!#ing 8an!#ing #a#ine #a#ine +o#uti +o#utions ons 3e#! 3e#!in ing g Proc Proce! e!ur ures es !!itiona# !!itiona# Requir Requirement ements s for -ateri -ateria#s a#s Positive Positive -ater -ateria#s ia#s I!enti I!entificat fication ion COE %/ S.%/%RS
%S*E Co!e %1.% Process Piping %PI Stan!ar!s / +tee# ee# 4at 4ate e *a *a#ves #ves #an #ang ge! an! an! ut utt$ t$e# e#!i !ing ng ,n!s /2 /2 6omp 6ompac actt +te +tee# e# 4at 4ate e *a# *a#ve ves s & #an #ange ge! ! Thre Threa! a!e! e! 3e# 3e#!i !ing ng an! an! ,:t ,:ten en!e !e!& !&o o!y !y ,n!s ,n!s /9 ire ire Test for for +oft& oft&+ +eat eate! 7ua 7uarter rter&T &Tu urn *a#ves ves %S*E Stan!ar! 1/.5 /.5 Pipe ipe #a #ang nges es an! an! #an #ang ge! itt ittings ings 1/. 1/.09 09 ;arg ;arge e Diam Diamet eter er +tee +tee## #a #ang nges es (+er (+eries ies )
*%.ERI%0S R
%.1
%ustenitic stainless steel an! nic&el allo4 valves ("o!y valves ("o!y "onnet cover an! cap)< a. .rim .rim inclu!in inclu!ing g stem an! seats" seats" glan! glan! assemlie assemlies s inclu!ing inclu!ing olting" olting" an! trunnion trunnion su##ort su##ort materials sha## materials sha## "e of the same nomina# chemistry as the "o!y. "o!y. 8ar! facing equa# to 6o6r& sha## "e provi!e! provi!e! for seating surfaces $hen specifie specifie! ! an! is a#$ays an accepta"# accepta"#e e a#ternativ a#ternative e for seating surfaces. /ote5 8ar! facing (equa# to 6o6r&) inc#u!es such tra!emare! materia#s as +te##ite / +too!y / an! 3a##e: /.
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IP 3-12-9
General Requirements for Valves
Page 2 of 5 Rev. 2
I/.ER/%.IO/%0
June 2
(This practice is appropriate for attachment to Inquiry or Purchase Document)
PR%C.ICE
". onnet an! cover olting material for va#ves =P+ % an! #arger $i## "e specifie! an! sha## "e of the same materia# specification as the "o#ting use! for connecting piping.
ESIG/ >
0.1
<en cain;eels are s#ecifie!" they sha## "e of the !irect mounte! a!=ustale s#roc&et rim t4#e$ 6hain gui!es sha## "e inc#u!e!. Clam#-on t4#e cain;eels are not #ermitte! un#ess specifie!.
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0.2
## #ressure containing ;el!s" an! ;el!s ma!e on #ressure containing com#onents sha## meet the requirements of IP 1>-?-1$ 8ar!facing $e#!s on components that are not part of the pressure "oun!ary may "e e:empte! from this requirement if $e#! a!equacy is !emonstrate! "y an appropriate mocup.
+
0.%
Valve stems an! cec& valve@utterfl4 valve safts sha## "e lo;-out #roof if the stem or shaft "ecomes separate! from the c#osure !evice if the stemnut "ecomes !etache! from the yoe or if the pacing g#an! is remove!. *a#ve stems sha## "e !esigne! such that the $eaest #in is outsi!e of the pressure "oun!ary.
>-
0.0
Counter;eigt !esigns for chec va#ves sha## "e su"mitte! to the Purchaser for approva# "y the >$nerBs ,ngineer. ra;ings for counter;eigte! cec& valves sha## c#ear#y in!icate $hether the counter$eights are provi!e! to assist quic c#osure or to provi!e !amping. .e4 sall also in!icate the $eight an! center of gravity of a## components attache! to the hinge pin an! the require! counter$eight #ocation.
0.5
3hen oriAontal stem orientation is require! or specifie! for gate valves =P+ 1 or greater in horiConta# #ines va#ve interna#s sha## "e !esigne! to avoi! ;e!ge =amming an! the !esign sha## "e approve! "y the >$ners ,ngineer.
>R
%I.IO/%0 RE)IRE*E/.S ,OR 0O< %00O+ V%0VES I/ 7+ROGE/ SERVICE %/ %)S.E/I.IC S.%I/0ESS S.EE0 V%0VES I/ 7IG7 PRESS)RE SERVICE R R
5.1
<en 4!rogen service is specifie! lo; allo4 valve castings 'P-numers 3" B" an! materials( sha## "e magnetic partic#e an! ra!iographica##y e:amine! per IP 1>-3-B$
5.2
%ustenitic stainless steel valve castings" $ith a rating of 6#ass 15 or 25 sha## "e #iqui! penetrant an! ra!iographica##y e:amine! per IP 1>-3-B$
%I.IO/%0 RE)IRE*E/.S ,OR V%0VES I/
/.1
P<7. is require! for a## car"on an! ferritic a##oy stee# pressure&containing components that are ;el!e! an!@or ;el! re#aire!" e:cept as specifica##y e:empte! in a. through c. "e#o$. The P38T proce!ure out#ine! in %S*E 31$3" Par. %%1.1 sha## "e fo##o$e!E ho$ever the eDce#tions provi!e! in Ta"#e %%1.1.1 "ase! on $a## thicness are not #ermitte!$ The minimum P<7. tem#erature sha## "e per %S*E 31$3 for the materia# use! "ut not #ess than 115° (/2°6). The specific types of $e#!s #iste! in a. through c. "e#o$ are e:empt from the specia# P38T requirements of this paragraph. 8o$ever this !oes not e:empt these $e#!s from P38T $hich may "e require! for other reasons. a. -u#tipass girth $e#!s $e#!e! from the outsi!e surface on#y. ". ,:terna# attachment $e#!s $hen the $e#! is not in contact $ith $et 8 2+. c. -u#tipass sea# an! socet $e#!s.
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/.2
7ar!ness of the "ase meta# of the o!4" onnet" ca#" stem" closure com#onents 'eDclu!ing locall4 ar!ene! seating surfaces(" an! utterfl4 valve seat retainer ring" an! of the ;el! metal an! relate! eat affecte! Aone (8@) of any pressure retaining $e#!s sha## not e:cee! the #imits given "y .ale 3.
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IP 3-12-9
General Requirements for Valves
Page % of 5
I/.ER/%.IO/%0 PR%C.ICE
(This practice is appropriate for attachment to Inquiry or Purchase Document)
Rev. 2
June 2
.%0E 3 7%R/ESS RE)IRE*E/.S ,OR V%0VES I/
7%R/ESS '( Oter tan Stem
Stem
P&1 '2('3(
2 8 '1(
=ot pp#ica"#e
P&% P&0 P&1 P&1 F P&11 P11
225 8 '1(
=ot pp#ica"#e
P&5
2%5 8 '1(
=ot pp#ica"#e
2%5 8 '1('B(
22 8R6
%1 8 '1(
%% 8R6
=ot pp#ica"#e
%% 8R6
P&/ P&9 Incone# precipitation har!ene! 19&0P8 !ou"#e precipitation har!ene!
/otes5 (1) or "ase meta# use the va#ue sho$n or the va#ue given in the specific +T- stan!ar! $hichever is #o$er. (2) =o testing is require! on the 8@. (%) Testing is on#y require! on the "ase meta# if hot forming (forging) fo##o$e! "y $ater quenching is use!. (0) P#ugs or "a##s of 1% 6r materia# sha## have a ma:imum rinne## har!ness of 225. (5) ,:cept $here note! tests sha## "e ma!e $ith a rine## Testing -achine. porta"#e har!ness tester may "e use! provi!ing the !iameter of the in!entation "a## is not sma##er than 9 mm an! not #arger than 1 mm an! the har!ness of the reference "ar is $ithin ± 12.5G of the ma:imum har!ness require! for the specific materia#.
R
/.%
The har!ness test for the 8@ sha## "e ma!e $ith the "a## centere! in the 8@ to represent a composite of $e#! meta# 8@ an! "ase meta#. .ests on valve stems" inc#u!ing any integra# components to stems sha## "e ma!e $ith a Roc$e## Testing -achine using the H6 har!ness sca#e.
VERI,IC%.IO/ O, 7%R/ESS V%0)ES R
/.0
?n#ess other$ise specifie! e:aminations sha## "e ma!e in the presence of the inspector to verify comp#iance $ith the specifie! har!ness requirements. The minimum num"er of har!ness checs sha## "e as fo##o$s< V%0VE CO*PO/E/.S
*I/I*)* /)*ER O, 7%R/ESS .ES.S *%.ERI%0 P&1
+he## 'B(
6#osure 6omponent an! Trim inc#u!ing +tem
P&% P&0 P&5 P&/ P&9 P&1 P&1 F P&11 P&11 ##
ase *etal -inimum 5G (minimum of one va#ve) of each siCe sty#e an! materia# per or!er
7%
/O.E '1(
=>=,
1G of 3e#!s
-inimum of one va#ve of each sty#e an! materia# per or!er '2('3(
/otes5 (1) Test 1G of the $e#!s ma!e "y the< (a) S*%< process using ferritic fi##er meta# other than 6#ass ,/&9 per %/SI@%$ (c) ,C%< process using fi##er meta# other than ,9T&1&5&&12 $ith 6> 2 or ,9T&1-&5-&-&12$ith either 6> 2 or rK6>2 mi:ture. (!) S%< (su"merge! arc) process using fi##er&meta# other than a com"ination ,; or ,- $ires per %/SI@%$ners ,ngineer. (2) *en!or may verify har!ness "y testing trim&components other than those in the or!er $hich have "een manufacture! (fa"rication an! therma# treatment) the same as those "eing furnishe!. (%) *en!or certification of materia#s is require!. (0) Inc#u!es "o!y "onnet cap "utterf#y va#ve seat retainer ring.
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IP 3-12-9
General Requirements for Valves
Page 0 of 5 Rev. 2
I/.ER/%.IO/%0
June 2
PR%C.ICE
(This practice is appropriate for attachment to Inquiry or Purchase Document)
%I.IO/%0 RE)IRE*E/.S ,OR CO*P%C. V%0VES RE)IRI/G POS.
R
9.1
If soc&et ;el!ing valves ;it ;el!e!-in #i#e stus requiring P<7. are specifie!< a. Pipe stu"s sha## "e / in. (15 mm) #ong un#ess other$ise specifie!. ". *a#ve "o!y an! stu" assem"#y sha## "e heat treate! prior to finish machining of the va#ves.
R
9.2
If gusset stu 'or #a!( attacments to valves are s#ecifie!5 a. imensions an! configuration of the gusset stu"s sha## "e as i##ustrate!. ". 4usset stu" (or pa!) #ocation sha## "e on the upstream or !o$nstream si!e of g#o"e va#ves as specifie!.
1K2 in. (1% mm) %K1/ in. (5 mm)
. n i 2 K 1 1
1 ) m m ' % (
+tu"s or T$o P#ane 1 4usseting
2 in.
=P+
(5 mm)
(5 mm) CO*P%C. 3O-+ V%0VE
/ote5
c.
2 in.
E6.E/-E- 3O-+ V%0VE
4usset stu" !imensions are minimum.
%12f1
P<7. sha## "e !one after $e#!ing the attachments to the va#ve "o!y.
!. Gusset stu material sha## "e of the same nomina# chemistry as the va#ve "o!y e:cept that car"on stee# may "e use! for P-1" P-3" P-B" an! P- materia#s. e. ,iller metal sha## match the chemistry of the va#ve "o!y as c#ose#y as possi"#e.
I/SPEC.IO/ %/ .ES.I/G R
'.1
7ig #ressure closure tests sha## "e per %PI-9> e:cept that a## prototype !esigns sha## "e teste!. va#ve sha## "e consi!ere! as a prototype if< a. The manufacturer has ma!e significant changes to the stan!ar! !esign. ". The manufacturing faci#ity has no previous e:perience $ith the particu#ar va#ve mo!e#.
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R
'.2
uarter-turn valves sha## "e teste! $ith the fina# gear operator insta##e!.
'.%
0o; #ressure seat tests sha## "e con!ucte! $ith the air !ischarge s#ight#y "e#o$ $ater to faci#itate !etermination of #eaage rates.
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'.0
## va#ves specifie! to have !oule loc& an! lee! capa"i#ity $ith "o!y "#ee!s in the 4 or 8 position (+-, 1/.%0) sha## "e teste! per PI&5' as a H!ou"#e "#oc an! "#ee! va#ve.L ;eaage sha## "e measure! through the open "#ee!.
R
'.5
or soft seale! gate valves to verif4 te ca#ailit4 of te metal seat to #rovi!e #ositive sutoff a minimum of 5G (minimum of one va#ve) of each siCe in the or!er sha## "e 8igh Pressure 6#osure an! ;o$ Pressure 6#osure teste! #er %PI-9> ;itout te soft seal in #lace. The test valve sha## "e stro&e! o#en an! sut at #east one time prior to these tests. ;eaage sha## not e:cee! rates specifie! for meta# seate! va#ves.
>
'./
Closure torque !uring test. or han!$hee# an! gear operate! (manua#) va#ves c#osure torque sha## not "e greater than that attaina"#e "y han!&tightening.
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General Requirements for Valves
IP 3-12-9 Page 5 of 5
I/.ER/%.IO/%0 PR%C.ICE
(This practice is appropriate for attachment to Inquiry or Purchase Document)
Rev. 2
June 2
PREP%R%.IO/ ,OR S7IP*E/. GE/ER%0 RE)IRE*E/.S -
.1
6ompact an! e:ten!e! "o!y gate an! g#o"e va#ves an! soft&sea#e! $afer type "utterf#y va#ves sha## "e in the c#ose! position !uring shipment an! su"sequent storage. >ther soft&sea#e! va#ves sha## "e shippe! in the open position.
-
.2
*a#ves sha## "e crate! for shipment to protect against interna# an! e:terna# !amage inc#u!ing operating mechanisms.
PRO.EC.IVE CO%.I/GS
-
.%
.e #ainting of unmacine! eDterior surfaces of va#ves sha## "e specifie! for marine or corrosive cemical atmos#eres$
.0
*acine! or trea!e! eDterior surfaces of caron steel" cast iron" !uctile iron" an! ferrous allo4s ;it a nominal cemistr4 of 12 Cr an! elo;" sha## "e #rotecte! from corrosion !uring shipment an! su"sequent storage "y coating $ith a rust preventive of a type< '1( to provi!e protection !uring out!oor storage for a perio! of t$e#ve months e:pose! to a norma# in!ustria# environment an! '2( to "e remova"#e $ith minera# spirits or any +to!!ar! so#vent.
V%0VE PRO.EC.IO/ -
.5
Covers for te #rotection of gas&et surfaces of en! f#anges or "o!y facings an! for the protection of ;el!ing en!s" sha## "e eiter metal" ar!oar!" #lastic or soli! ;oo!$
-
./
*a#ves $ith threa!e! or socet$e#!ing en!s sha## have the en!s #rotecte! $ith meta# $oo! or p#astic ca#s or #lugs$
-
.9
%ustenitic stainless steel valves sha## not "e e:pose! to salt ;ater or salt s#ra4$ *a#ves sha## "e covere!" or #rotecte! $ith a coating an! sha## not "e in contact $ith porous materia#s such as ra$ $oo!.
IE/.I,IC%.IO/ %/ 0%E0I/G R
.'
Valves $hich have #asse! the %PI 9> ig #ressure closure test $ith te o!4 lee! o#en sha## "e permanent#y mar&e! or tagge! Flee!-.este!$
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-anufacturers stan!ar! soft&sea#e! va#ves sall e #ermanentl4 mar&e! or tagge! ;it te va#ve temperature pressure rating at 1HH°, '3>°C( an! at minimum an! maDimum rate! tem#erature$ or va#ves $ith a preferre! f#o$ !irection this !ata sha## "e given for "oth the preferre! an! non&preferre! !irections.
>
.1
*a#ves $ith a #referre! flo; !irection sha## have the !irection of f#o$ cast or stee# stam#e! on te valve o!4$
>
.11
3hen cec& valves are provi!e! $ith a !ri##e! orifice ho#e in the p#ate the siAe of te orifice sall e stam#e! on te o!4 $ith a #o$ stress stamp.
.12
## soft&seate! quarter&turn va#ves that have passe! the Hfire&teste! requirements of PI&/9 sha## "e tagge! Hfire-teste! !esign.
.1%
Soft-seale! valves ;it ;el!ing en!s" soc&et ;el!ing en!s" or trea!e! en!s requiring seal ;el!s sha## "e provi!e! $ith a $arning tag if remova# of a## soft&sea#ing materia#s from va#ve prior to $e#!ing is require!.
+ -
Revision *emo 12K1
>rigina# Issue of asic Practice
12K0 %K' @HH
Revision & >rigina# Issue of Internationa# Practice Revision 1 Revision 2 Par$ 3$1 c#arifie! that requirements app#y to va#ves =P+ % an! #arger. /e; Par$ B$ a!!e! requirements for horiConta# stem orientation. Par$ >$1 revise! to accept PI 5' high pressure test requirements e:cept for prototype va#ves. /e; Par$ >$2 requires quarter turn va#ves to "e teste! $ith gear operator insta##e!. Renum"ere! Pars$ >$2>$ to >$3->$. Par$ >$B c#arifie! requirements for !ou"#e "#oc an! "#ee! va#ves. Par$ >$ !e#ete! specia# test pressure for soft sea#e! va#ves. Par$ >$ !e#ete! formu#a for stem c#osure torque for motor actuate! va#ves. Par$ 9$12 revise! to accept va#ve tagging an! c#arifies tagging $ith fire&teste! !esign.
© ,::on
Research an! ,ngineering 6ompany 1' 2
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