Clad Pipe Fittings

Clad yeeb nkab fittings yog siv nyob rau hauv piping systems uas cov kab xav tau ob yam sib txawv nyob rau tib lub sij hawm:mechanical zoglos ntawm steel backing thiabcorrosion kujlos ntawm lub internalCRAtxheej. Feem ntau, lub cev sab nrauv nqa lub siab thiab cov qauv thauj khoom, thaum lub puab txheej txheej tiv thaiv cov ntub dej los ntawm cov xov xwm corrosive xws liH₂S, CO₂, chlorides , dej qaub , los yog chemically aggressive process kua .

Qhov no yog vim li cas clad fittings tshwm ntau dua nyob rau hauv tej yaam num uas corrosion yog hnyav tab sis tag nrho cov khoom-alloy kev tsim kho tsis yog ib txwm muaj kev ncaj ncees. Nyob rau hauv tas li ntawd, lub tswv yimclad cev meaningnyob rau hauv fittings tsis yog tsuas yog "ob hlau ua ke." Nws yog ib txoj hauv kev tsim uas cais covsiab ua haujlwmlos ntawmcorrosion- ua haujlwm ua haujlwm, ces tswj li cas ob qho tib si ua ke thaum tsim, vuam, thiab tshuaj xyuas.

Hauv clad yeeb nkab fittings, lubCRA txheejtsis yog tsuas yog ntxiv raws li kev kho saum npoo. Nws yuav tsum nyob twj ywm ua haujlwm tas li tom qabkev tsim, bevel npaj, vuam, thiab tshuaj xyuas, yog li txoj kev sib txuas ncaj qha cuam tshuam rau ob qho tib si kev tsim khoom thiab kev pabcuam zaum kawg.

Cov kev tsim kho tseem ceeb siv rau clad fittings suav nrogtawg kev sib txuas, weld overlay, kub yob kev sib khi, thiabmechanical hauv ob sab phlu. Txawm hais tias tag nrho plaub txoj kev sib xyaw ua ke ntawm corrosion- tiv taus alloy nrog cov pa roj carbon steel lossis qis- alloy rov qab cov khoom, lawv tsis coj tib txoj kev ntawmkev ntseeg ruaj khov, CRA thickness tswj, tsim kom haum, thiabweld hloov kev tuav.

Txhua txoj kev muaj qhov cuam tshuam sib txawv rau kev tsim khoom thiab tshuaj xyuas. Piv txwv li,tawg- sib raug zoothiabkub yob bondedcov ntaub ntawv feem ntau yog txiav txim ntau los ntawmkev ntseeg ruaj khovthiab tsim zoo, thaumweld overlaysystems yuav tsum tau ua tib zoo mloogoverlay thickness, dilution, thiab zaum kawg deposited alloy chemistry.Mechanical hauv ob sab phluTej zaum yuav tsim nyog nyob rau hauv qee lub tshuab, tab sis nws feem ntau tau tshuaj xyuas kom zoo dua thaum lub phiaj xwm cuam tshuam nrog kev thauj khoom hnyav, xav tau kev hloov pauv ntawm vuam, lossis cov kev xav tau nruj dua nyob rau hauv corrosion continuity.

Hauv cov lus pom zoo, txoj kev sib txuas yuav tsum tsis txhob raug kho raws li kev nthuav dav me me. Nws influences:

• ua li cas lub haum yog tsim
• yuav ua li cas lub bevel thiab cutback yog npaj
• yuav ua li cas vuam yog tsim nyog
• yam kev tshuaj ntsuam xyuas yog xav tau
• Yuav ua li cas CRA barrier raug soj ntsuam ua ntej tso tawm

Tias yog vim li cas txoj kev sib cog lus yuav tsum nyob twj ywm raws li qhov projectkev pabcuam ib puag ncig, tsim kub, qib siab, thiabtxoj kev fabrication, es tsis yog xaiv los ntawm qhov muaj.

Clad yeeb nkab fittings raug xaiv los khaws covsab hauv corrosion-resistant barriertxuas ntxiv los ntawm kev hloov pauv ntawm cov kev taw qhia, kev sib txuas ntawm ceg ntoo, kev hloov pauv loj, thiab qhov kawg kaw. Hauv kev siv cov raj xa dej thiab cov txheej txheem txheej txheem, ntau hom yog lub luj tshib, tees, reducers, caps, thiab clad flanges. Lub hauv paus tseeb yog nyob ntawm qhovhaum hom, chav pabcuam, cov ntaub ntawv hauv paus, thiabCRA txoj kev tsim kho.

Rau clad taub qab-weld fittings, tus qauv seem feem ntau yog raws liASME B16.9, thaum lubCov khoom siv hauv paus / CRA cov ntaub ntawvtej zaum yuav ua raws li ASTM specifications nyob ntawm kev tsim kho. Rau siab -lub zog pipeline kev pab cuam,MSS SP-75tej zaum yuav siv tau qhov twg qhov project tsim lub hauv paus yuav tsum tau pipeline -qib fittings. Clad flanges yuav tsum tsis txhob muab ua pawg raws li tus qauv zoo ib yam li lub luj tshib lossis tees, vim lawv ib txwm tswj hwm los ntawmASME B16.5 / B16.47dua liB16.9.

Rau clad yeeb nkab fittings, cov khoom xaiv feem ntau yog ua raws li ib tugob -ib feem ua ke: covcov ntaub ntawv thaub qabnqa lub siab thiab structural load, thaum lubCRA / cov ntaub ntawv hauv ob sab phlutiv thaiv sab hauv wetted nto tiv thaiv corrosion. Ob txheej txheej yog xaiv ua ke, tsis yog ntawm nws tus kheej, vim tias qhov kawg haum yuav tsum txaus siab rau ob qho tib simechanical lub luag haujlwmthiabcorrosion kuj.

Nyob rau hauv lub tswv yim, lubthaub qab steelyuav tsum ua raws li qhov project cov chav kawm siab, vuam txoj kev, thiab cov txheej txheem kev cai, thaum lubCRA txheejyuav tsum tau xaiv raws li qhov tseeb corrosion txaus ntshai - xws lichloride-induced pitting, qaub-gas corrosion, CO₂ attack, los yog chemically aggressive txheej txheem xov xwm. Qhov txiaj ntsig ntawm cov qauv no yog tias qhov haum ua kom lub zog thiab weldability ntawm lub hauv paus hlau thaum siv cov alloy kim dua tsuas yog qhov kev tiv thaiv corrosion tiag tiag xav tau.

Clad yeeb nkab fittings tsis yog tsuas yog tsim rau qhov yuav tsum tau geometry; lawv kuj yuav tsum tuav txoj kev ncaj nceesCRA txheej, covbonded interface, thiab weld npaj cheeb tsam los ntawm tag nrho kev tsim khoom. Qhov ntawd txhais tau tias kev tswj xyuas zoo tsis yog txiav txim los ntawm qhov ntev ntawm qhov tiav, tab sis los ntawm seb qhov haum puas tseem tuaj yeem ua tau raws li qhov project corrosion thiab fabrication yuav tsum tau tom qab tsim, vuam, thiab kev soj ntsuam zaum kawg.

NtawmOctal Tube, kev ruaj ntseg zoo rau clad fittings feem ntau tsom rau cov ntsiab lus tswj hauv qab no:

• Dimensional soj ntsuamkom paub meej qhov haum geometry tiv thaiv tus qauv siv, feem ntauASME B16.9
• UAS / RTqhov twg yuav tsum tau, txhawm rau txheeb xyuas thaj tsam ntawm daim ntawv cog lus lossis vuam -txoj kev ncaj ncees nyob ntawm txoj kev tsim kho
• PIB / MTrau qhov chaw tsis pom kev ntawm qhov chaw tseem ceeb
• Kev ntsuam xyuas hydrostaticthaum tau teev tseg los ntawm qhov kev xav tau lossis ITP
• CRA thickness soj ntsuamkom paub meej tias corrosion- txheej tiv thaiv nyob hauv qhov xav tau tom qab tsim khoom
• Kev tshuaj xyuas qhov muagntawm bevels, sab hauv deg mob, thiab qhov chaw hloov pauv uas yuav cuam tshuam rau haum- nce lossis vuam tso tawm

Lub pob tso tawm zaum kawg feem ntau yog txhawb nqa los ntawmMTCs, thiab thaum xav tau, tuaj yeem suav nrogPMI, NDE cov ntaub ntawv, daim ntawv qhia qhov ntev, thiab thib peb -cov ntaub ntawv tshuaj xyuas tog. Rau clad fittings, cov ntaub ntawv no tseem ceeb vim tias qhov kev lees paub tsis yog nyob ntawm cov khoom siv hauv paus nkaus xwb, tab sis kuj tseem ua pov thawj qhov txuas ntxiv thiab qhov zoo ntawm corrosion- tiv thaiv kab ke.

Lub ntsiab kom zoo dua ntawmclad yeeb nkab fittingsyog tias lawv muab ob txoj haujlwm hauv ib feem: lubpuag steelmuab cov qauv muaj zog thiab siab -cov kabmob muaj peev xwm, thaum lubInternal CRA txheejtiv thaiv lub wetted nto tiv thaiv corrosive media. Qhov no ua rau clad fittings yog ib qho kev xaiv zoo uas cov kab xav tau kev tiv thaiv corrosion, tab sis tag nrho cov khoom siv -CRA kev tsim kho yuav ntxiv cov nqi hlau tsis tsim nyog.

Piv nrog rau tag nrho CRA fittings, clad fittings feem ntau xaiv rau cov laj thawj no:

• qis alloy noj thiab tswj ntau qhov project nqi
• muaj zog mechanical kev ua tau zoo los ntawm cov hlau thaub qab
• internal corrosion tiv thaiv raukev pabcuam qaub, dej hiav txwv, thiab lwm yam kev tawm tsam
• yooj yooj yim dua rau kev cai haum configurations thiab loj dua pipeline tej pob khoom
• ntev kev pab cuam lub neej nyob rau hauv corrosive systems nrog tsawg hloov zaus

Qhov no yog vim li cas clad fittings yog dav siv nyob rau hauvoffshore platforms, refineries, subsea flowlines, thiabchemical processing systemsqhov twg ob qho tib si siab ncaj ncees thiab kev tswj corrosion yuav tsum tau txiav txim siab ua ke.

Clad yeeb nkab fittings feem ntau yog siv nyob rau hauv kab qhov twgsab hauv ntawm lub system yog corrosive, tab sis lub pipework tseem xav tau lub zog, weldability, thiab tus nqi qauv ntawmcarbon hlaulos yogqis- hlau alloynyob sab nraud. Hauv cov haujlwm tiag tiag, lawv feem ntau tshwm sim hauv cov kev pabcuam uas muaj cov kua dejH₂S, CO₂, chlorides, ua dej, lossis lwm yam xov xwm corrosive uas tawm tsam sab hauv lub sijhawm.

Cov ntawv thov ib txwm muaj xws li:

• offshore roj thiab roj pipelines

Siv nyob rau hauv flowlines thiab cov kav dej ntau lawm qhov twg dej hiav txwv raug, qaub kev pab cuam, thiab corrosive zoo kua ua rau sab hauv CRA kev tiv thaiv tsim nyog.

• subsea flowlines thiab khi- nyob rau hauv spools

Tshwj xeeb ntawmLub luj tshib, tees, thiab reducers, qhov twg geometry hloov thiab weld concentration ua corrosion tswj ntau rhiab heev.

• onshore refineries thiab petrochemical units

Siv rau hauv cov txheej txheem uas nqa corrosive hydrocarbons, dej qaub, los yog chloride -muaj cov kwj deg uas muaj cov khoom tiav- alloy fittings yuav ua rau cov nqi tsim nyog.

• gas kho thiab tsim -dej systems

Feem ntau nyob rau hauv pipelines thiab ceg kev sib txuas tuavntub gas, kua qaub gas, los yogdej txhaj / reinjectionkev pabcuam.

• desalination thiab siab -chloride utility kab

Siv qhov twg cov txheej txheem sab pom chloride- cov kua dej nplua nuj, tab sis lub kaw lus tseem tau txais txiaj ntsig los ntawm cov qauv tsim ntawm carbon steel.

• xaivlub zog- tiamthiabheat- pauv piping

Tshwj xeeb tshaj yog nyob rau hauv corrosion yog cov khoom tseem ceeb sib tw, tab sis tag nrho cov kab tsis xav tau tag nrho cov khoom -CRA kev tsim kho.

Hauv kev xyaum, clad fittings yog qhov tseem ceeb tshaj plaws ntawm cov ntsiab lus xws likev hloov pauv, ceg ceg, thiabkev hloov pauv loj, vim cov no yog cov cheeb tsam uasntws cuam tshuam, welded pob qij txha, thiabcorrosion raugfeem ntau tuaj ua ke. Qhov ntawd feem ntau yog qhov chaw sab hauv CRA txheej ua rau qhov sib txawv loj tshaj plaws.

Clad yeeb nkab fittings feem ntau yog tshuaj xyuas tawm tsamntau tshaj ib tus qauv, vim qhov haum yuav tsum txaus siabqhov ntev, cov khoom siv / corrosion yuav tsum, thiab qee zaumtxoj haujlwm lossis kev pabcuam hauv ntug dej hiav txwvtib lub sijhawm. Hauv kev xyaum,ASME B16.9feem ntau yog siv rau pob tw -weld haum qhov ntev,API 5LDfeem ntau yog siv rauCRA clad los yog lined systems, thiabNACE MR0175 / ISO 15156ua qhov tseem ceeb hauvkev pabcuam qaub. Rau offshore duplex daim ntaub ntawv nyob rau hauv cathodic tiv thaiv,DNV-RP-F112kuj yuav siv tau.

Clad yeeb nkab fittings tsis zoo tib yam carbon steel fittings nrog ib tug hwm alloy daim ntawv lo. Lawv yogComposite siab Cheebtsamtsim los ua ke lub luag haujlwm ntawm cov qauvthaub qab steelnrog kev tiv thaiv corrosion ntawm sab hauvCRA txheej. Nyob rau hauv tej yaam num tiag tiag, lawv tus nqi nyob ntawm seb qhov haum zoo npaum li caskev pabcuam nruab nrab, cov ntaub ntawv hauv paus, Qib CRA, kev sib txuas lus, thiabtxoj kev fabricationntawm kab. Tias yog vim li cas clad haum tshuaj xyuas yuav tsum ib txwm mus dhau qhov loj thiab sijhawm. Ib qho haum tsuas yog technically haum thaum nwssiab- lub cev muaj zog, sab hauv corrosion barrier, thiabtshuaj xyuas traceabilitytxhua yam nyob ib puag ncig nrog lub hauv paus tsim ntawm lub raj xa dej.

Hu rau tam sim no

FAQ

 

 

01.Dab tsi yogclad cev meaninghauv pipeline fittings?

Hauv fittings,clad cev meaningfeem ntau yog hais txog ib feem nrog acarbon steel los yog tsawg- cov khoom siv alloyrau lub zog thiab lub hauv pausCRA txheejrau corrosion kuj. Nws txawv ntawmkhoom CRA, ua kab, los yogoverlay-tsuaskev tsim kho, vim qhov kawg haum yuav tsum txaus siab rau ob leegkev tiv thaiv siabthiabkev tiv thaiv corrosiontib lub sijhawm.

02.Yuav ua li casyeeb nkab cladding cov ntaub ntawvtau xaiv rau clad yeeb nkab fittings?

Kev xaiv cov khoom yuav tsum tau ua ua ib khub: lubthaub qab steelyog xaiv rauchav kawm siab, lub zog, thiab weldability, thaum lubCRA txheejyog xaiv rau qhov tseebcorrosion mechanism, zoo liH₂S, CO₂, chlorides, los yog acidic txheej txheem media. Hauv kev yuav khoom, tus yuam sij tsis yog lub npe CRA nkaus xwb, tab sis seb tusCov khoom siv hauv paus + CRA ua kephim cov chav kawm kab thiab kev pabcuam.

03.Dab tsi yuav tsum buyers xyuas ua ntej pom zoo clad fittings rau ibCRA pipeline?

Qhov kev kuaj xyuas tseem ceeb tshaj plaws yog feem ntaukev txheeb xyuas cov khoom siv hauv paus, Kev lees paub qib CRA, zoo clad los yog overlay thickness, kev ntseeg ruaj khovnyob qhov twg,PMI ntawm CRA sab, NDE cov ntaub ntawv, thiab puvkub / ntau traceability. Hauv ibCRA pipeline, qhov haum yuav tsum phim ob qho tib si lub hauv paus tsim qauv thiab corrosion- tswj lub tswv yim ntawm txoj kab.

04.Dab tsi hloov thaum lub sij hawm cov yeeb nkab cladding installation piv nrog zoo tib yam carbon steel fittings?

Qhov sib txawv tseem ceeb yog nyob ntawmhaum- thiab welding. Cov neeg yuav khoom thiab cov fabricators feem ntau yuav tsum tau tswjkev sib tw, CRA kev txiav txim siab, kev hloov welding, dilution, thiab kev tiv thaiv sab hauv corrosion-resistant nto. Lub clad haum tuaj yeem ua qhov tseeb tab sis tseem tsim teeb meem kev teeb tsa yog tias sab hauvCRA txuas ntxivyog puas thaum lub sij hawm bevel prep los yog vuam.

05.Thaum twg clad yeeb nkab fittings nyiam tshaj cov khoom CRA fittings?

Clad fittings feem ntau nyiam thaum cov txheej txheem nruab nrab yog corrosive ntawmsab hauv, tab sis qhov project tseem tau txais txiaj ntsig los ntawm lub zog thiab tus nqi qauv ntawmcarbon steel los yog tsawg- alloy steelnyob sab nraud. Lawv tshwj xeeb tshaj yog nyob rau hauvCRA pipeline, kev pabcuam qaub, offshore flowlines, ua tau -dej systems, thiab lwm cov kab uas muaj tag nrho cov khoom siv - alloy kev tsim kho yuav ua rau nce nqi tag nrho.

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Cim npe nrov: Tuam Tshoj clad yeeb nkab fittings manufacturers, lwm tus neeg, Hoobkas