Weld caj dab Flange

A weld caj dab flangefeem ntau yog xaiv thaum qhov kev sib txuas yuav tsum nqa ntau tshaj li qhov siab xwb. Nyob rau hauv tiag tiag tej yaam num, buyers xaiv nws vim lubtapered hub + taub qab-welded caj dabmuab kev hloov pauv kev ntxhov siab los ntawm flange mus rau cov yeeb nkab, uas yuav pab tau rau hauv cov tshuab raugsiab cycling, thermal fluctuation, vibration, hnyav-phab ntsa yeeb nkab, los yog kev soj ntsuam nruj dua.

Rau kev yuav khoom, qhov no tsis yog kev xaiv flange style xwb. Nws feem ntau yog kev txiav txim siab txogkev ntseeg tau ntawm kev sib koom ua ke, bore alignment, weld integrity, thiab ntev -lub sij hawm kev pab cuam stability. Lub caj dab weld flange uas phim qhov tseebstandard, tig, bore, teem caij, thiab cov khoomfeem ntau yuav tsim kom tsawg dua - teeb meem ntau dua li qhov flange xaiv los ntawm nominal loj thiab chav kawm.

Thaum cov neeg yuav khoom nrhiavweld caj dab flange specificationlos yogweld caj dab flange standard, lawv feem ntau tsis yog saib xyuas seb cov khoom puas nyob hauv Tshuag. Qhov lawv xav tau tiag tiag kom paub meej yog seb lub flange yuav ua li cas nrog rauqhov project kab chav kawm, yeeb nkab teem caij, ntsib hom, qib khoom, thiab kev soj ntsuam xyuastwb txhais nyob rau hauv daim duab los yog PO. Hauv kev yuav khoom tiag tiag, feem ntau cov teeb meem tsis yog los ntawm "tsis muaj khoom siv" - lawv los ntawm cov ntsiab lus uas tsis raug kaw thaum ntxov, xws li cov bore tsis raug rau cov yeeb nkab phab ntsa, ib qho tsis raug, los yog cov ntaub ntawv uas ploj lawm tom qab kev pom zoo thiab kev teeb tsa qeeb.

Kev piav qhia txog kev yuav khoom yuav tsum txhais cov flange los ntawm cov chaw kuaj xyuas no:

Ib txoj kab RFQ muaj zog feem ntau yog sau li no:

ASME B16.5, weld caj dab flange, NPS 4, Chav Kawm 600, RF, ASTM A105, bore rau Sch 80 yeeb nkab, MTR xav tau, Qty ___

Qhov ntawd muaj kev nyab xeeb ntau dua li tsuas yog sau "4 nti weld caj dab flange," vim tias nws tswj cov ntsiab lus uas feem ntau ua rau muaj kev tsis sib haum xeeb:ntsib, bor match, khoom,thiabcov ntaub ntawv Scope.

A weld caj dab flangefeem ntau yog xaiv thaum txoj kab yuav tsum uasiab dua, kub siab, rov ua duathermal cycling, vibration, los yoghnyav dua - cov yeeb nkab phab ntsaqhov twg kev ntseeg tau sib koom ua ke tseem ceeb tshaj li kev yooj yim fabrication. Hauv cov haujlwm tiag tiag, nws feem ntau yog siv rau hauv cov roj thiab cov roj xa hluav taws xob, cov khoom siv hluav taws xob thiab cov kav dej petrochemical, cov khoom siv sab nrauv, cov tshuab boiler, siab -cov nkoj sib txuas, chav ua haujlwm, thiab lwm cov txheej txheem tseem ceeb lossis cov khoom siv hluav taws xob.

Hauv cov kev pabcuam no, lub flange tsis yog qhov sib txuas xwb. Nws ncaj qha cuam tshuam:

• thauj khoom thauj
• weld kev ncaj ncees
• ntev -lub sij hawmsealing stability

Los ntawm tus neeg yuav khoom qhov kev xav, tus nqi ntawm lub caj dab weld flange ua kom pom tseeb dua thaum tus nqi tsis ua haujlwm siab. Kev xau ntawm lub siab - siab siab, rov ua haujlwm dua los ntawm kev ua haujlwm tsis zoo, lossis kev kho qhov vuam ntxiv thaum lub sij hawm haum- tuaj yeem raug nqi ntau dua li qhov flange nws tus kheej.

Nws lub ntsiab zoo yog los ntawm covtapered hubthiabtaub qab-welded caj dab, uas pab tsim kom muaj kev hloov pauv ntawm flange thiab yeeb nkab. Hauv cov ntsiab lus siv tau, qhov no txhais tau tias:

• zoo duaqhov sib npaug
• tsawg dua ntu hloov pauv ntawm thaj chaw weld
• txhim kho tsim nyog raukev pabcuam cyclicthiabkev vibration-sensitive kab
• zoo dua weld nkag rau kev soj ntsuam
• txhim khu kev qhakev kuaj hluav taws xob
• muaj zog duayeeb nkab-rau- flange txuas ntxiv

Tias yog vim li cas engineers feem ntau nyiam weld caj dab flanges rau kev xav tau ntau dua piping systems qhov twg ntev - lub sij hawm kev cia siab rau qhov tseem ceeb tshaj qhov yooj yim installation ceev.

Kev xaiv cov khoom siv yuav tsum ua raws li qhov kev pabcuam, tsis yog Tshuag lossis nqi xwb. Rau weld caj dab flanges, cov khoom xav tau kom phim cov yeeb nkab qib, tsim qhov kub thiab txias, ib puag ncig corrosion, thiab qhov project qhov kev tshuaj xyuas / cov ntaub ntawv xav tau. Lub flange tej zaum yuav yog qhov tseeb, tab sis yog tias cov khoom tsis sib xws hauv chav kawm, nws tseem yog ib qho khoom tsis lees paub.

Feem ntau,ASTM A105 1yog siv rau cov qauv carbon steel piping nyob rau hauv cov kev pab cuam ib txwm.ASTM A350 LF2yog qhov zoo dua rau qhov qis - qhov kev pabcuam kub qhov twg qhov cuam tshuam toughness tseem ceeb. Rau siab dua -kub alloy piping, buyers feem ntau qhiaF11, F22, lossis F91kom nyob ua ke nrog cov khoom siv yeeb nkab thiab kev ua haujlwm. Hauv kev pabcuam corrosive,F304 / F316yog hom stainless xaiv, thaumduplex / super duplexCov qib yog tsim nyog thaum ob qho tib si chloride tsis kam thiab siab zog yuav tsum tau. NtawmOctal Tube, hom khoom sib txuam no yog ib qho ntawm cov ntsiab lus tswj hwm hauv flange hais lus thiab kev txiav txim xyuas, vim tias cov khoom qib ncaj qha cuam tshuam rau kev pom zoo, vuam sib raug zoo, thiab kev pabcuam zaum kawg.

Ib qho piv txwv yooj yim: rau cov kab hluav taws xob, kev xaiv flange tsis yog hais txog qhov loj me thiab chav kawm - cov khoom tseem yuav tsum nyob ruaj khov ntawm qhov kub thiab txias, yog li cov qib alloy zoo liF11los yogF22tej zaum yuav xav tau los ntawm carbon steel. Rau qhov qis - kab kub, sivA105tsis yogLF 2tej zaum yuav tsim ib tug toughness txaus ntshai txawm tias ob leeg yog forged carbon steel qib. Los ntawm qhov kev xav ntawm kev yuav khoom, qib khoom tsis raug feem ntau ua rau muaj teeb meem loj dua li hom flange tsis raug, vim tias nws cuam tshuam rau kev pom zoo, vuam sib raug zoo, thiab qhov kawg qhov kev lees txais.

Nyob rau hauv luv luv, buyers feem ntau tsiv musweld caj dab flange vs plam-onkev xaiv thaum lub kaw lus xav tau ntau dua thiab qhov kev pheej hmoo ntawm kev xau, qaug zog, lossis rov kho dua yuav nyuaj rau tsis quav ntsej.

Covweld caj dab flange cimNws yog ib qho tseem ceeb ntawm kev kos duab, BOMs, thiab RFQs vim tias ntau cov lus hais yuam kev pib nrog cov lus tsis meej lossis tsis tiav flange.

Hauv cov ntaub ntawv qhov project, feem ntau cov ntawv luv luv yog:

• WN= Weld caj dab
• WNRF= Weld Neck tsa ntsej muag
• WNRTJ= Weld Neck Ring Type Joint
• LWN= Ntev Weld Neck
• RWNlos yog cov lus piav qhia yuav raug siv los txo qhov kev sib txuas ntawm caj dab nyob ntawm kev coj ua

Lub ntsiab lus tseem ceeb rau cov neeg yuav khoom yog lub cim ib leeg tsis txaus. "WN" txheeb xyuas hom flange, tab sis nws tsis txhaisclass, tig, bore, material,los yogtxheem. Daim duab kos uas tsuas yog hais tias "WN flange" tseem tshuav ntau chav rau kev hais lus yuam kev. Lub cim yuav tsum tau nyeem ua ke nrog tag nrho cov lus hais.

Piv txwv daim duab / BOM callout:
WN, 6", Class 600, RF, ASTM A105, ASME B16.5, bore rau Sch 80

Cov neeg yuav khoom nrhiavweld caj dab flange hnyavfeem ntau yog sim daws ib qho ntawm peb qhov teeb meem:freight kwv yees, nqa / ntim npaj,los yogtxhawb- load xam. Qhov tseem ceeb tshaj plaws yog tias weld caj dab flange qhov hnyav yogtsis tswj los ntawm qhov loj me ib leeg. Nws hloov pauv loj heev nrog:

• nominal loj
• chav kawm siab
• cov ntaub ntawv ceev
• hub geometry
• ntsej muag hom
• bore loj / teem caij sib tw

A Class 150 weld caj dab flangethiab aClass 1500 weld caj dab flangentawm tib NPS yuav pom tseeb tsis coj zoo li tib yam khoom hauv kev tuav lossis xa khoom xa tuaj. Qhov siab dua -chav kawm flange nqa lub hub hnyav dua, lub cev tuab dua, thiab sib txawv bolt lub voj voog geometry, yog li qhov hnyav nce sai nrog chav kawm.
Weld caj dab flange qhov hnyav yuav tsum tau lees paub los ntawm cov qauv siv los yog cov duab kos duab, tom qab ntawd rov kuaj dua cov khoom siv tiag tiag thiab kev teeb tsa ua ntej freight lossis kev txiav txim siab txhawb nqa tiav.

Rau ibweld caj dab flange, txais feem ntau txiav txim siab tsawg dua los ntawm sab nraud txoj kab uas hla thiab ntau dua los ntawm seb qhovboryeej phim cov yeeb nkab nws yuav welded rau. Tag nrho cov ntsiab lus ntawm lub caj dab weld tsim yog tsim kom muaj kev hloov pauv ntawm flange hub rau cov yeeb nkab phab ntsa. Yog hais tias lub bore yog undersized, oversized, los yog yooj yim haum rau lub sij hawm tsis ncaj ncees lawm, tus welder raug thawb mus rau hauv kev kho qhov chaw xws likev sib tsoo sab hauv, bore blending, hi-kev hloov qis, lossis kev them nyiaj weld profile. Qhov ntawd tsis yog qeeb qeeb -nce - nws kuj tuaj yeem cuam tshuam qhov sib xws ntawm vuam, kev lees txais radiographic, thiab txoj hauv kev kawg ntws ntawm qhov sib koom ua ke.

Qhov no dhau los ua qhov tseem ceeb tshaj rauhnyav- cov yeeb nkab phab ntsa, tej yaam num nrogntau lub sijhawm, txo cov kev hloov pauv, siab -siab RTJ kev pabcuam, los yogntev weld caj dab flangestxuas nrog lub nkoj lossis cov khoom siv nozzles. Nyob rau hauv cov ntaub ntawv no, ib tug bore mismatch tsis yog ib tug me me workshop inconvenience. Nws tuaj yeem tsim cov kauj ruam sab hauv ntawm lub vuam, ua kom lub sijhawm kho kom haum, thiab quab yuam ntxiv machining lossis sib tsoo uas tus neeg yuav khoom tsis tau npaj rau. Yog vim li cas RFQ loj yuav tsum tsis txhob tso tsegNPS + Class. Nws tseem yuav tsum tau hais txog qhov xav taubore rau cov kav dej teem caijlos yog muab lub hom phiajhauv txoj kab uas hla, yog li lub flange tuaj txog npaj rau cov yeeb nkab tiag tiag nws yuav tsum sib phim, tsis yog qhov nominal loj ntawm daim ntawv.

Rau qhov loj weld caj dab flange kev txiav txim, cov neeg yuav khoom feem ntau nyiam ntau duantsuas tau txais cov ntsiab lustshaj li cov nqe lus dav dav xws li "high precision."

Kev soj ntsuam tseem ceeb muaj txiaj ntsig ib txwm suav nrog:

• flange txheem thiab chav kawm paub tseeb
• face type check (RF / RTJ / FF)
• bore thiab hub dimensions
• bolt voj voog thiab bolt qhov raug
• serration tiav lossis RTJ groove pov thawj
• cim kev pom zoo
• Thaum tshav kub kub tooj traceability rau MTR
• PMI / UT / MT / PT thaum xav tau

Lub caj dab weld flange uas zoo nkaus li pom zoo tuaj yeem tsim qhov chaw qeeb yog tias qhovbore, tig, los yog cov ntaub ntawvtsis ua raws li qhov xav tau ntawm qhov project.

Hu rau tam sim no

FAQ

 

 

01.Yuav ua li cas yuav tsum tau ib tug weld caj dab flange yuav tsum tau teev nyob rau hauv ib tug RFQ los yog PO?

suav nrogtus qauv, qhov loj me, chav kawm, lub ntsej muag, cov khoom siv, tho rau cov kav dej raws sij hawm, tshuaj xyuas / cov ntaub ntawv, thiab kom muaj nuj nqis. Qhov no yuav pab kom tsis txhob muaj qhov yuam kev, tsis ncaj ncees lawm, lossis cov khoom tsis sib haum.

02.Thaum twg lub caj dab weld flange zoo dua li plam - ntawm flange?

Nws yog feem ntau nyiam rausiab dua, kub dua, kev pabcuam cyclic, kev co, thiab hnyav dua - cov yeeb nkab phab ntsa, qhov twg kom zoo dua kev ntxhov siab thiab kev sib tw bore yuav tsum tau.

03.Vim li cas bore match tseem ceeb rau lub caj dab weld flange?

Yog hais tias lub bore tsis phim cov yeeb nkab lub sij hawm, haum -up tej zaum yuav xav taukev sib tsoo, kev kho tsis sib haum, lossis kev hloov kho vuam, uas slows installation thiab tuaj yeem cuam tshuam rau kev lees paub.

04.Yuav ua li cas cov khoom yuav tsum tau xaiv rau weld caj dab flanges?

Cov khoom yuav tsum ua raws li covkev pabcuam. A105yog ib qho rau cov kev pabcuam carbon steel,LF 2rau qis kub,F11/F22/F91rau siab dua kub, thiabF304 / F316 los yog duplexrau corrosive ib puag ncig.

05.Dab tsi tshuaj xyuas cov ntsiab lus tseem ceeb tshaj plaws ua ntej xa zaub mov?

Cov neeg yuav khoom feem ntau kuaj xyuaschav kawm, tig ntsej muag, bore, hub qhov ntev, kos npe, thiab cov cua sov traceability, ntxivMTR, PMI, lossis NDEyog xav tau.

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