Clad Pipe Fittings a Wɔde Yɛ Nneɛma

Wɔde clad pipe fittings di dwuma wɔ piping nhyehyɛe mu a line no hia dwumadi ahorow abien bere koro mu:mfiridwuma mu ahoɔdenefi dade a ɛwɔ akyi no so naa ɛko tia nsɛeefi emu bi muCRA na ɛwɔ hɔmmeamu. Mpɛn pii no, akyi nipadua no soa nhyɛso ne nhyehyɛe mu adesoa, bere a emu aduru a wɔde ayɛ no bɔ ɔfasu a ɛyɛ nsu no ho ban fi nneɛma a ɛporɔw te sɛH₂S, CO2, chloride, nsu a ɛyɛ akisikuru, anaa nsu a wɔde yɛ adwuma a nnuru a ano yɛ den wom.

Eyi nti na clad fittings taa pue wɔ nnwuma a corrosion yɛ kɛse nanso full solid-alloy adansi nyɛ bere nyinaa na sikasɛm mu fata. Wɔ saa ntease no mu no, nea mfaso wɔ soclad pipe asekyerɛwɔ fittings mu no nyɛ "dade abien a wɔaka abom" kɛkɛ. Ɛyɛ ɔkwan a wɔfa so yɛ nhyehyɛe a ɛtetew...nhyɛso dwumadieficorrosion-adwuma a ɛko tia, afei ɛhwɛ sɛnea wɔka abien no bom bere a wɔreyɛ, wɔreyɛ welding, na wɔrehwehwɛ mu no so.

Wɔ clad pipe fittings mu no, na...CRA layer a ɛwɔ hɔɛnyɛ nea wɔde ka ho kɛkɛ sɛ aduru a wɔde yɛ nneɛma a ɛwɔ soro. Ɛsɛ sɛ ɛkɔ so yɛ adwuma kɔ so wɔ akyiforming, bevel ahosiesie, welding, ne nhwehwɛmu, enti bonding kwan no nya adwinnan suban ne ɔsom adwuma a etwa to ahotoso nyinaa so nkɛntɛnso tẽẽ.

Akwan titiriw a wɔfa so si adan a wɔde yɛ clad fittings no bi neɔtopae bonding, weld a wɔde kata so, hot roll bonding a ɛyɛ hyew, nemfiri a wɔde kata so. Ɛwom sɛ akwan anan no nyinaa de aduru a ɛko tia nsɛe-ne carbon dade anaasɛ aduru a ɛba fam-ayɛ akyi ade bom de, nanso wɔnyɛ wɔn ade koro wɔbond mudi mu kura, CRA a ɛyɛ den a wɔde di dwuma, hyehyɛ fata a wɔfata, neweld nsakraeɛ ho dwumadie.

Ɛsono sɛnea ɔkwan biara kyerɛ wɔ nneɛma a wɔyɛ ne nea wɔhwehwɛ mu. Nhwɛsoɔ,ɔtopae-bondednehot roll a wɔde abɔ muwɔtaa de bu nneɛma ho atɛn kɛse denambond mudi mu kurane su a wɔhyehyɛ, bere aweld a wɔde kata sonhyehyɛe ahorow hwehwɛ sɛ wɔde wɔn adwene si so yiyeoverlay a ɛyɛ den, dilution a wɔde hyɛ mu, ne nea etwa to a wɔde asie alloy chemistry.Mfiri a wɔde kata soebia ɛfata wɔ nhyehyɛe ahorow bi mu, nanso wɔtaa hwɛ mu yiye bere a adwuma no fa adesoa a emu yɛ den a ɛkɔ so kyinhyia, weld nsakrae a ɛhwehwɛ, anaasɛ emu nsɛe a ɛkɔ so ho ahwehwɛde ahorow a emu yɛ den ho no.

Sɛ yɛbɛka no yiye a, ɛnsɛ sɛ wɔfa ɔkwan a wɔfa so bom no sɛ ade ketewaa bi a wɔde yɛ nneɛma. Enya nkɛntɛnso wɔ:

• sɛnea wɔhyehyɛ fitting no
• sɛnea wosiesie bevel ne cutback no
• sɛnea welding fata
• akwan a wɔfa so hwehwɛ nneɛma mu a ɛho hia
• sɛnea wɔhwehwɛ CRA akwanside no mu ansa na wɔayi no adi

Ɛno nti na ɛsɛ sɛ bonding kwan no kɔ so ne project no de hyia noɔsom tebea a atwa yɛn ho ahyia, design temperature, nhyɛso dodow, neɔkwan a wɔfa so yɛ nneɛma, sen sɛ wɔbɛpaw no denam nea ɛwɔ hɔ nkutoo so.

Wɔpaw clad pipe fittings na ama...emu nsɛe-akwanside a ɛko tiakɔ so denam nsakrae a ɛba wɔ akwankyerɛ mu, nkorabata nkitahodi, kɛseyɛ mu nsakrae, ne awiei a wɔto mu so. Wɔ pipeline ne process nhyehyɛe a mfaso wɔ so mu no, nea wɔtaa yɛ ne elbows, tees, reducers, caps, ne clad flanges. Gyinapɛn nnyinaso pɔtee no gyinafitting type a ɛfata, ɔsom adesuakuw, nneɛma a wɔde gyina so, neCRA adansi kwan.

Wɔ clad butt-weld fittings, dimensional gyinapɛn no taa gyinaASME B16.9, bere annyinaso nneɛma / CRA nneɛmabetumi adi ASTM nkyerɛkyerɛmu ahorow akyi a egyina adansi so. Sɛ wopɛ -ahoɔden a ɛkorɔn pipeline som a, .MSS SP-75 na ɛwɔ hɔbetumi adi dwuma wɔ baabi a adwuma no nhyehyɛe nnyinaso hwehwɛ sɛ wɔde pipeline-grade fittings di dwuma. Ɛnsɛ sɛ wɔkyekyɛ clad flanges akuwakuw wɔ dimensional gyinapɛn koro no ara ase sɛ elbows anaa tees, efisɛ mpɛn pii no wɔde di soASME B16.5 / B16.47 na ɛwɔ hɔmmom sen sɛB16.9.

Wɔ clad pipe fittings ho no, wɔtaa paw nneɛma sɛ aabien-afã a wɔaka abom: nonneɛma a wɔde gyina akyisoa nhyɛso ne nhyehyɛe mu adesoa, bere aCRA / nneɛma a wɔde kata sobɔ emu nsuo no ho ban na ansɛe. Wɔpaw ntoatoaso abien no bom, ɛnyɛ nea wɔde wɔn ho, efisɛ ɛsɛ sɛ nea etwa to a wɔde hyɛ mu no ma abien no nyinaa di mumfiridwuma mu adwumanea ɛko tia nsɛe.

Wɔ nsɛm a mfaso wɔ so mu no,...dade a wɔde gyina akyiɛsɛ sɛ ɛne adwuma no nhyɛso kuw, welding kwan, ne nhyehyɛe a wɔhwehwɛ no hyia, bere aCRA layer a ɛwɔ hɔɛsɛ sɛ wɔpaw sɛnea asiane a ɛwɔ nsɛe ankasa - te sɛchloride-a ɛma ɛyɛ akuturuku, sour-gas a ɛyɛ nwunu, CO2 ntua a ɛba, anaasɛ nnuru a wɔde yɛ nneɛma a ɛyɛ hu. Mfaso a ɛwɔ saa nhyehyɛe yi so ne sɛ fitting no ma ahoɔden ne weldability a ɛwɔ base steel no mu kɔ so bere a wɔde alloy a ne bo yɛ den no di dwuma wɔ baabi a ɛho hia ankasa sɛ wɔbɔ ho ban fi corrosion ho nkutoo.

Ɛnyɛ sɛ wɔyɛ clad pipe fittings ma ɛne geometry a wɔhwehwɛ nko; ɛsɛ sɛ wɔkura mudi mu kura nso muCRA layer a ɛwɔ hɔ, nobonded ntamgyinafo, ne beae a wosiesie weld no nam adwumayɛ kyinhyia no nyinaa so. Ɛno kyerɛ sɛ ɛnyɛ nsusuwii a wɔawie nko na wobu sɛnea wɔhwɛ sɛnea nneɛma te no atɛn, na mmom sɛ ebia fitting no da so ara betumi adi adwuma no nsɛe ne fabrication ahwehwɛde ahorow ho dwuma bere a wɔayɛ, welding, ne nhwehwɛmu a etwa to akyi.

WɔOctal Pipe a Wɔde Yɛ Nneɛma, wɔtaa de wɔn adwene si nneɛma a wɔde akata so no yiyedi so:

• Nhwehwɛmu a wɔyɛ no afã horowsɛnea ɛbɛyɛ a wobesi geometry a ɛfata no so dua atia gyinapɛn a ɛfata no, mpɛn pii noASME B16.9
• UT / RT na ɛyɛ adwumabaabi a ɛho hia no, sɛ wobɛhwɛ sɛ bond area anaa weld-fata integrity gyina adansi kwan no so
• PT / MT na ɛyɛ adwumaama wɔahu sintɔ a ɛwɔ soro wɔ mmeae a ɛho hia
• Hydrostatic sɔhwɛ a wɔyɛbere a wɔde adwuma no ahwehwɛde anaa ITP akyerɛ no
• CRA thickness nhwehwɛmusɛ wobɛsi so dua sɛ corrosion-resistant layer no da so ara wɔ baabi a wɔhwehwɛ wɔ ne yɛ akyi
• Nhwehwɛmu a wɔde aniwa huof bevels, emu soro tebea, ne nsakrae mmeae a ebetumi aka fit-up anaa welding release

Mpɛn pii no, nea etwa to a wɔayi no adi no boaMTC ahorow no, na sɛ wɔhwehwɛ a, ebetumi nso aka hoPMI na ɛyɛ, NDE kyerɛwtohɔ ahorow, dimensional amanneɛbɔ, ne third-party nhwehwɛmu nkrataa. Wɔ clad fittings ho no, saa krataa nkɔnsɔnkɔnsɔn yi ho hia efisɛ gye a wogye tom no nnyina nnyinaso ade no nko so, na mmom sɛ wɔbɛkyerɛ sɛ nhyehyɛe a ɛko tia nsɛe-a ɛkɔ so ne sɛnea ɛyɛ papa nso.

Mfaso titiriw a ɛwɔ soclad pipe fittings a wɔde ahyɛ mune sɛ wɔka dwumadi abien bom wɔ ade biako mu: thebase dade a wɔde yɛ nneɛmama structure ahoɔden ne nhyɛso-soa tumi, bere aCRA layer a ɛwɔ mubɔ ɔfasu a ayɛ nsu no ho ban fi nneɛma a ɛporɔw ho. Eyi ma clad fittings yɛ nea mfaso wɔ so a wɔpaw wɔ baabi a line no hia corrosion resistance, nanso full solid-CRA adansi no de alloy ka a ɛho nhia bɛka ho.

Sɛ wɔde toto CRA fittings a edi mũ ho a, wɔtaa paw clad fittings esiane nneɛma yi nti:

• alloy a wɔde di dwuma a ɛba fam ne adwuma no ho ka a wɔhwɛ so kɛse
• mfiri adwumayɛ a emu yɛ den fi dade a ɛwɔ akyi no mu
• emu corrosion ahobammɔ maɔsom a ɛyɛ akisikuru, ɛpo mu nsuo, ne nsɛm ho amanneɛbɔfo afoforo a wɔyɛ basabasa
• nsakraeɛ kɛseɛ ma custom fitting configurations ne pipeline packages akɛseɛ
• nkwa nna tenten wɔ nhyehyɛe ahorow a ɛyɛ mmerɛw a mpɛn dodow a wɔde si ananmu no sua mu

Eyi nti na wɔde clad fittings di dwuma kɛse wɔasɛnka agua a ɛwɔ mpoano, mmeae a wɔyɛ nneɛma a wɔde yɛ nneɛma foforo, po ase nsu a ɛsen, nennuru a wɔde yɛ nneɛma ho nhyehyɛe ahorowbaabi a ɛsɛ sɛ wɔbom susuw nhyɛso mudi mu kura ne nsɛe ano aduru nyinaa ho.

Wɔtaa de clad pipe fittings di dwuma wɔ lines a...nhyehyɛe no mu yɛ nea ɛporɔw, nanso paipu no da so ara hia ahoɔden, weldability, ne ɛka nhyehyɛe acarbon dade a wɔde yɛ adwumaanaasɛlow-alloy dadeɛwɔ akyi no. Wɔ nnwuma ankasa mu no, wɔtaa yɛ wɔ nnwuma a ebia nsu no wɔ muH₂S, CO2, chloride ahorow a wɔde yɛ nneɛma, de nsu bae, anaa nneɛma afoforo a ɛporɔw a ɛtow hyɛ emu no so bere a bere kɔ so no.

Nneɛma a wɔtaa de di dwuma no bi ne:

• ngo ne gas nhama a ɛwɔ mpoano

Wɔde di dwuma wɔ nsuo a ɛsen ne nsuo a wɔde yɛ nneɛma mu a ɛpo mu nsuo a ɛda adi, sour service, ne abura mu nsuo a ɛporɔw ma CRA mu ahobanbɔ ho hia.

• po ase nsuo a ɛsen ne tie-wɔ spools mu

Titiriw wɔelbows, tees, ne nneɛma a wɔde tew nneɛma so, baabi a geometry sesa ne weld concentration ma corrosion control yɛ nea ɛyɛ mmerɛw kɛse.

• mmeae a wɔyɛ nneɛma a wɔde yɛ nneɛma a ɛwɔ asase so ne mmeae a wɔyɛ pɛtro

Wɔde di dwuma wɔ process lines a ɛde hydrocarbons a ɛyɛ hyew, nsuo a ɛyɛ nwene, anaa chloride-a nsuten a ɛwɔ mu a ɛwɔ solid solid-alloy fittings a ɛyɛ pɛpɛɛpɛ no bɛma adwuma no ho ka akɔ soro kɛseɛ.

• gas a wɔde yɛ adwuma na wɔayɛ-nsu nhyehyɛe

Ɛtaa ba wɔ nsu afiri ne nkorabata nkitahodi ho dwumadie mugas a ɛyɛ nsu, acid gas a ɛyɛ hyew, anaasɛnsuo a wɔde gu nipadua mu / nea wɔsan de gu muasoɛeɛ.

• desalination ne high-chloride utility nhama

Wɔde di dwuma wɔ baabi a adeyɛ no fã hu nsu a chloride-dɔɔso wom, nanso nhyehyɛe no da so ara nya mfaso fi nhyehyɛe nnyinaso a ɛwɔ carbon dade mu no mu.

• a wɔapaw notumi-awo ntoatoasoneɔhyew-sesa paipu

Titiriw wɔ baabi a emu nsɛe yɛ nneɛma asɛnnennen titiriw, nanso nhama no nyinaa nhia CRA adansi a ɛyɛ den-a edi mũ.

Wɔ nneyɛe mu no, clad fittings som bo kɛse wɔ mmeae te sɛakwankyerɛ sesa, baa dwumadibea ahorow a wɔtɔn nneɛma, nensakrae a ɛba kɛse mu, efisɛ eyinom ne mmeae ansu a ɛsen no mu basabasayɛ, nkwaa a wɔde weld ayɛ, necorrosion a wɔde da wɔn ho adimpɛn pii no wɔba bom. Ɛhɔ na mpɛn pii no CRA layer a ɛwɔ mu no ma mfiridwuma mu nsonsonoe kɛse ba.

Wɔtaa hwɛ clad pipe fittings mu tiabɛboro gyinapɛn biako, efisɛ ɛsɛ sɛ fitting no ma abotɔyamnsusuwii ahorow, nneɛma/nsɛe a wɔhwehwɛ, na ɛtɔ mmere bi aproject anaa offshore service ho mmarabere koro no ara mu. Wɔ nneyɛe mu no, .ASME B16.9wɔtaa de di dwuma ma butt-weld fitting nsusuwii, .API 5LD na ɛwɔ hɔno taa twe adwene si soCRA clad anaa lined nhyehyɛe ahorow, neNACE MR0175 / ISO 15156. Nnipa a wɔte saabɛyɛ nea ɛho hia wɔɔsom a ɛyɛ akisikuru. Wɔ mpoano duplex dwumadie a ɛwɔ cathodic ahobanbɔ ase no, .DNV-RP{1}}F112nso betumi afa ho.

Clad pipe fittings nyɛ carbon dade fittings a ɛyɛ mpapahwekwa a wɔde alloy a ɛyɛ fɛ ahyɛ so. Wɔnenhyɛso afã horow a wɔabom ayɛwɔayɛ sɛ wɔde bɛka nhyehyɛe mu dwumadi adade a wɔde gyina akyine corrosion ahobammɔ a ɛwɔ mu noCRA layer a ɛwɔ hɔ. Wɔ nnwuma ankasa mu no, wɔn bo gyina sɛnea nea ɛfata no ne...ɔsom mu ɔkwankyerɛfo, nneɛma a wɔde gyina so, CRA abasobɔde, bonding kwan a wɔfa so yɛ adwuma, neɔkwan a wɔfa so yɛ nneɛmano mu. Ɛno nti na ɛsɛ sɛ clad fitting review kɔ akyiri sen kɛse ne nhyehyɛe bere nyinaa. A fitting yɛ mfiridwuma mu nea ɛfata nkutoo bere a nenhyɛso-nipadua a ɛsoa, akwanside a ɛmma nneɛma nsɛe wɔ mu, nenhwehwɛmu a wɔde hwehwɛ nneɛma munyinaa tra so ne nhyehyɛe a wogyina so yɛ nsu afiri nhyehyɛe no hyia.

Di nkitaho mprempren

FAQ

 

 

01.Dɛn na ɛyɛclad pipe asekyerɛwɔ pipeline fittings mu?

Wɔ fittings mu no, .clad pipe asekyerɛmpɛn pii no ɛkyerɛ ade bi a ɛwɔ acarbon dade anaasɛ low-alloy akyi adeama ahoɔden ne emu biCRA layer a ɛwɔ hɔsɛnea ɛbɛyɛ a ɛbɛko atia nsɛe. Ɛyɛ soronko wɔCRA a ɛyɛ den, lined a wɔde ahyɛ mu, anaasɛoverlay-nkwaadansi, efisɛ ɛsɛ sɛ nea etwa to a wɔde hyɛ mu no ma abien no nyinaa abotɔyamnhyɛso a wɔde siw anoneahobammɔ a ɛfa nsɛe hobere koro no ara mu.

02.Sɛnea ɛsɛ sɛnneɛma a wɔde kata paipu sowɔbɛpaw no ama clad pipe fittings?

Ɛsɛ sɛ wɔpaw nneɛma sɛ baanu: thedade a wɔde gyina akyiwɔpaw no manhyɛso kuw, ahoɔden, ne weldability, bere aCRA layer a ɛwɔ hɔwɔpaw no ma nea ɛwɔ hɔ ankasaafiri a ɛma nneɛma yɛ hyew, te sɛH₂S, CO2, chloride, anaasɛ acidic process media. Wɔ adetɔ mu no, ɛnyɛ CRA din no nko na ade titiriw no, na mmom sɛ ebia...nnyinaso nneɛma + CRA a wɔaka abomɛne line class ne service tebea no hyia.

03.Dɛn na ɛsɛ sɛ adetɔfo hwɛ ansa na wɔapene clad fittings so ama aCRA afiri a wɔde fa nsuo mu?

Mpɛn pii no, nhwehwɛmu a ɛho hia sen biara no yɛnnyinaso nneɛma a wɔde kyerɛ, CRA abasobɔde a wɔde si so dua, etu mpɔn clad anaasɛ overlay thickness, bond mudi mu kurabaabi a ɛfata no, .PMI wɔ CRA fã no, NDE kyerɛwtohɔ ahorow, na ayɛ maɔhyew/lot traceability. Wɔ aCRA afiri a wɔde fa nsuo mu, ɛsɛ sɛ fitting no ne structure design nnyinaso ne corrosion-control nyansapɛ a ɛwɔ line no mu nyinaa hyia.

04.Nsakrae bɛn na ɛba bere a wɔde pipe cladding installation toto carbon dade fittings a ɛyɛ mpapahwekwa ho?

Nsonsonoe atitiriw no wɔfit-up ne welding. Mpɛn pii no, ɛsɛ sɛ adetɔfo ne wɔn a wɔyɛ nneɛma no di sobore match, CRA a wɔatwitwa so, nsakrae welding a wɔde yɛ adwuma, dilution a wɔde hyɛ mu, ne ahobammɔ a ɛfa emu nsɛe-a ɛko tia ɔfasu no ho. A clad fitting betumi ayɛ dimensionally correct nanso ɛda so ara de installation haw ahorow ba sɛ emuCRA a ɛkɔ sono sɛe bere a bevel prep anaa welding.

05.Bere bɛn na wɔpɛ clad pipe fittings sen solid CRA fittings?

Wɔtaa pɛ clad fittings bere a process medium no yɛ corrosive wɔemu, nanso adwuma no da so ara nya mfaso fi ahoɔden ne ɛka nhyehyɛe a ɛwɔcarbon dade anaa low-alloy dadewɔ akyi no. Wɔtaa ba titiriw wɔCRA afiri a wɔde fa nsuo mu, ɔsom a ɛyɛ akisikuru, nsu a ɛsen fa mpoano, ayɛ-nsu nhyehyɛe ahorow, ne nhama afoforo a full solid-alloy adansi bɛma nneɛma ho ka nyinaa akɔ soro kɛse.

Adansedi nkrataa

 

CE Adansedi Krataa

ISO 9001 Adansedi krataa

API Q1 Adansedi krataa

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AP-5L Adansedi krataa

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