Cov yeeb nkab fittings
Pipe Fittings Chaw tsim tshuaj paus & tsum
Tuam Tshoj API Pipes muab ntau yam ntawm carbon steel, alloy steel thiab stainless hlau yeeb nkab fittings tsim raws li thoob ntiaj teb cov qauv xws li ASTM, ASME, MSS, DIN thiab EN specifications.
Nrog kev tswj hwm nruj, cov txheej txheem tshuaj xyuas dav dav thiab cov peev txheej tsim tau yooj yim, peb pab EPC cov neeg cog lus, cov neeg xa khoom thiab cov tswv lag luam txo cov kev pheej hmoo ntawm kev yuav khoom thaum ua kom ntseeg tau cov kav dej txhim khu kev qha.
Qhia luv luv rau cov yeeb nkab fittings
Cov yeeb nkab fittings yog cov khoom tseem ceeb hauv kev lag luam piping systems. Lawv yog siv los txuas cov kav dej, hloov cov kev taw qhia ntws, ceg kav dej, kev hloov pauv ntawm cov kab sib txawv, cov yeeb nkab kawg, thiab txuas cov kav dej mus rau qhov qub, twj, thiab lwm yam khoom siv. Ua ke nrog cov kav dej steel, cov yeeb nkab fittings tsim muaj kev nyab xeeb, txhim khu kev qha, thiab ua haujlwm zoo rau kev thauj mus los rau cov lag luam xws li roj thiab roj, petrochemicals, hluav taws xob tsim hluav taws xob, kev kho dej, khoom noj khoom haus, kev tsim nkoj, thiab kev tsim hluav taws xob sab nrauv.
Hom yeeb nkab fittings thiab lawv cov haujlwm
Flanges
Flanges yog detachable mechanical connectors siv los koom nrog cov kav dej, li qub, twj, thiab lwm yam khoom siv. Lawv pab txhawb kev saib xyuas, tshuaj xyuas, thiab hloov khoom siv thaum muab kev sib khi ua tau zoo.
Cov Khoom Siv
- ASTM A105 carbon hlau
- ASTM A350 LF2 qis-kub carbon steel
- ASTM A182 F304 / F304L stainless hlau
- ASTM A182 F316 / F316L stainless hlau
- ASTM A182 alloy steel qib
Cov qauv siv tau
- ASME B16.5 (NPS 1/2 "-24")
- ASME B16.47 Series A thiab B (NPS 26 "-60")
Hom flange
● Weld Neck Flanges (WN)
Weld caj dab flanges feature ib tug ntev tapered hub uas muab ib tug du kev nyuaj siab hloov ntawm lub flange thiab cov yeeb nkab. Lawv yog tsim los rau tag nrho - nkag mus rau lub pob tw welds thiab muaj kev tiv thaiv zoo heev rau lub siab, kub hloov pauv, thiab kev thauj khoom cyclic.
Cov ntawv thov raug:Roj & roj pipelines, refineries, fais fab nroj tsuag, thiab lwm yam kev pabcuam tseem ceeb uas yuav tsum tau muaj kev ntseeg siab tshaj plaws.
● Slip-Rau Flanges (SO)
Slip- ntawm flanges yog ntsia los ntawm zawv zawg flange hla cov yeeb nkab thiab tuav nws nrog fillet welds ntawm ob sab hauv thiab sab nraud. Lawv muab cov kev sib tw yooj yim dua thiab cov nqi qis dua qhov kev sib txuas ntawm lub caj dab flanges.
Cov ntawv thov raug:Kev kho dej, cov khoom siv hluav taws xob, kev tiv thaiv hluav taws, thiab nruab nrab - cov kav dej muaj zog.
Kev ntsuam xyuas:ASME Chav Kawm 150, 300, thiab 600; Qhov loj dua muaj nyob rau hauv raws li ASME B16.5 thiab ASME B16.47.
● Qhov muag tsis pom Flanges (BL)
Qhov muag tsis pom flanges tsis muaj qhov qhib qhib thiab siv los kaw qhov kawg ntawm cov kav dej, cov hlab ntsha siab, thiab cov khoom siv nozzles. Lawv kuj pab txhawb kev sim siab, kev tswj xyuas kev sib cais, thiab kev nthuav dav rau yav tom ntej.
Cov ntawv thov raug:Kev kaw cov kav dej, kuaj hydrostatic, thiab kev cais cov khoom siv.
● Socket Weld Flanges (SW)
Lub qhov (socket) weld flanges yog tsim los nrog lub qhov (socket) recessed rau hauv uas cov yeeb nkab tau muab tso ua ntej yuav ruaj ntseg nrog rau sab nraud fillet weld. Lawv muab cov khoom muaj zog, xau- tiv thaiv kev sib txuas rau cov kab me me - txoj kab uas hla.
Cov ntawv thov raug:Siab -siab me me- tho qhov kav dej, cov kav dej, thiab cov cuab yeej ntsuas.
Hom Loj Ntau Yam:NPE 1/2"-2".
● Threaded Flanges (THD)
Threaded flanges muaj tapered internal threads uas tso cai rau lawv yuav tsum tau screwed ncaj qha mus rau txuam threaded kav yam tsis muaj vuam. Lawv yog tshwj xeeb tshaj yog pab tau nyob rau hauv vuam yog impractical los yog undesirable.
Cov ntawv thov raug:Tsawg- kev pabcuam siab, thaj chaw muaj kev phom sij, thiab kev teeb tsa ib ntus.
Hom Loj Ntau Yam:NPE 1/2 "- 4".
● Lap Joint Flanges (LJ)
Lap sib koom flanges yog siv ua ke nrog stub kawg. Lub stub kawg yog welded rau cov yeeb nkab, thaum lub flange tseem nyob dawb los tig, cia yooj yim ntsia liaj qhov rooj sib dhos thiab yooj yim disassembly.
Cov ntawv thov raug:Cov kab ke uas yuav tsum tau saib xyuas, tshuaj xyuas, lossis kev rhuav tshem, tshwj xeeb tshaj yog thaum siv cov khoom siv kim heev.
Yeeb Nkab Flange Surface Processing
Rau CarbonSteel Flange, lub ntsej muag canbeelectrogalvanized, lightoiledandblackpainted.
Rau Stainless Hlau Flange, qhov saum npoo tuaj yeem siv cov xim bleaching, daim iav - kho kom zoo nkauj thiab shading nto.
Flange Specification
| CLASS 150 Raws li ASTM A / SA-105; ANSI B16.5 | ||||||||||||
Nominal Yeeb Loj | Sab nraum Diam. ntawm Flange (O) | tuab. ntawm Flange (C) | Diam. ntawm Tsaus ntsej muag (R) | Diam. ntawm Hub ntawm Base (X) | Ntev mus Hub (Y) | Min. Xov Ntev (T) | Min. Cov txee Qhov siab (Q) | Tsis muaj Qhov | Diam. ntawm Qhov | Diam. ntawm Bolts | Diam. ntawm Bolt Lub voj voog | Kwv yees li. Qhov hnyav (hauv phaus) |
| ½ | 3.5 | 0.44 | 1.38 | 1.19 | 0.62 | 0.62 | — | 4 | 0.62 | 0.5 | 2.38 | 1 |
| ¾ | 3.88 | 0.5 | 1.69 | 1.5 | 0.62 | 0.62 | — | 4 | 0.62 | 0.5 | 2.75 | 2 |
| 1 | 4.25 | 0.56 | 2 | 1.94 | 0.69 | 0.69 | — | 4 | 0.62 | 0.5 | 3.12 | 2 |
| 1 ¼ | 4.62 | 0.62 | 2.5 | 2.31 | 0.81 | 0.81 | — | 4 | 0.62 | 0.5 | 3.5 | 3 |
| 1 ½ | 5 | 0.69 | 2.88 | 2.56 | 0.88 | 0.88 | — | 4 | 0.62 | 0.5 | 3.88 | 3 |
| 2 | 6 | 0.75 | 3.62 | 3.06 | 1 | 1 | — | 4 | 0.75 | 0.62 | 4.75 | 5 |
| 2 ½ | 7 | 0.88 | 4.12 | 3.56 | 1.12 | 1.12 | — | 4 | 0.75 | 0.62 | 5.5 | 7 |
| 3 | 7.5 | 0.94 | 5 | 4.25 | 1.19 | 1.19 | — | 4 | 0.75 | 0.62 | 6 | 8 |
| 3 ½ | 8.5 | 0.94 | 5.5 | 4.81 | 1.25 | 1.25 | — | 8 | 0.75 | 0.62 | 7 | 11 |
| 4 | 9 | 0.94 | 6.19 | 5.31 | 1.31 | 1.31 | — | 8 | 0.75 | 0.62 | 7.5 | 13 |
| 5 | 10 | 0.94 | 7.31 | 6.44 | 1.44 | 1.44 | — | 8 | 0.88 | 0.75 | 8.5 | 15 |
| 6 | 11 | 1 | 8.5 | 7.56 | 1.56 | 1.56 | — | 8 | 0.88 | 0.75 | 9.5 | 19 |
| 8 | 13.5 | 1.12 | 10.62 | 9.69 | 1.75 | 1.75 | — | 8 | 0.88 | 0.75 | 11.75 | 30 |
| 10 | 16 | 1.19 | 12.75 | 12 | 1.94 | 1.94 | — | 12 | 1 | 0.88 | 14.25 | 43 |
| 12 | 19 | 1.25 | 15 | 14.38 | 2.19 | 2.19 | — | 12 | 1 | 0.88 | 17 | 64 |
| 14 | 21 | 1.38 | 16.25 | 15.75 | 2.25 | 2.25 | — | 12 | 1.12 | 1 | 18.75 | 90 |
| 16 | 23.5 | 1.44 | 18.5 | 18 | 2.5 | 2.5 | — | 16 | 1.12 | 1 | 21.25 | 98 |
| 18 | 25 | 1.56 | 21 | 19.88 | 2.69 | 2.69 | — | 16 | 1.25 | 1.13 | 22.75 | 130 |
| 20 | 27.5 | 1.69 | 23 | 22 | 2.88 | 2.88 | — | 20 | 1.25 | 1.12 | 25 | 165 |
| 24 | 32 | 1.88 | 27.25 | 26.12 | 3.25 | 3.25 | — | 20 | 1.38 | 1.25 | 29.5 | 220 |
Kev ntsuas siab
- Chav Kawm 150
- Chav Kawm 300
- Chav Kawm 600
- Chav Kawm 900
- Chav Kawm 1500
- Chav Kawm 2500
Lub luj tshib
Lub luj tshib yog fittings siv los hloov cov kev taw qhia ntawm cov dej ntws hauv cov kav dej.
Kev faib tawm
Ntev - lub luj tshib muaj ib lub vojvoog nruab nrab ntawm1.5Dthiab yog hom siv ntau tshaj plaws. Luv-voj luj tshib muaj ib lub vojvoog ntawm1.0Dthiab feem ntau xaiv thaum qhov chaw teeb tsa raug txwv.
Lub luj tshib Specification
| Nominal | Sab nraud txoj kab uas hla | 90℃luj tshib | 45℃luj tshib | 180℃Rov qab | ||||
| Cov yeeb nkab loj | Ntev Radius | Luv Radius | Ntev Radius | Ntev Radius | ||||
| (inch) | (mm) | (inch) | Center rau ntsej muag | Center rau ntsej muag | Center rau ntsej muag | Radius | Center rau Center | Rov qab mus rau lub ntsej muag |
| (inch) | (inch) | (inch) | (inch) | (inch) | (inch) | |||
| 1/2 | 21.3 | 0.84 | 1.5 | – | 5/8 | 2 | 1.875 | |
| 3/4 | 26.7 | 1.05 | 1.125 | – | 7/16 | 2.25 | 1.6875 | |
| 1 | 33.4 | 1.315 | 1.5 | 1 | 7/8 | 3 | 2.1875 | |
| 1.25 | 42.2 | 1.66 | 1.875 | 1.25 | 1 | 3.75 | 2.75 | |
| 1.5 | 48.3 | 1.9 | 2.25 | 1.5 | 1.125 | 3 | 4.5 | 3.25 |
| 2 | 60.3 | 2.375 | 3 | 2 | 1.375 | 4 | 6 | 4.1875 |
| 2.5 | 73 | 2.875 | 3.75 | 2.5 | 1.75 | 5 | 7.5 | 5.1875 |
| 3 | 88.9 | 3.5 | 4.5 | 3 | 2 | 6 | 9 | 6.25 |
| 3.5 | 101.6 | 4 | 5.25 | 3.5 | 2.25 | 7 | 10.5 | 7.25 |
| 4 | 114.3 | 4.5 | 6 | 4 | 2.5 | 8 | 12 | 8.25 |
| 5 | 141.3 | 5.563 | 7.5 | 5 | 3.125 | 10 | 15 | 10.3125 |
| 6 | 168.3 | 6.625 | 9 | 6 | 3.75 | 12 | 18 | 12.3125 |
| 8 | 219.1 | 8.625 | 12 | 8 | 5 | 12 | 24 | 16.3125 |
| 10 | 273.1 | 10.75 | 15 | 10 | 6.25 | 15 | 30 | 20.375 |
| 12 | 323.9 | 12.75 | 18 | 12 | 7.5 | 18 | 36 | 24.375 |
Kev tsim khoom
- Seamless luj tshib: feem ntau 1/2 "-24"
- Welded luj tshib: feem ntau 24 "-72"
Kev kho saum npoo
- Anti- xeb roj
- Dub lacquer txheej
- Kub-dip galvanizing
Tees
Tees yog peb - txoj kev fittings siv los faib los yog ua ke cov kua dej ntws.
Hom kev sib txuas
Butt Weld Tee
Qhov (socket) Weld Tee
Xov Tee
Qhov Loj
1/2"–72"
Barred tees feem ntau yog siv rau hauv cov kav dej piggable los tiv thaiv cov raj xa dej los ntawm kev nkag mus rau cov ceg txuas.
Reducers
Reducers txuas cov kav dej sib txawv ntawm qhov sib txawv thaum tswj xyuas cov yam ntxwv zoo.
Hom
Eccentric Reducers
Feem ntau ntsia tau rau hauv cov kav dej kab rov tav kom txo qis qhov tsim ntawm huab cua hauv hnab ris hauv cov kua nruab nrog cev lossis cov kua tsub zuj zuj hauv cov pa roj.
Concentric Reducers
Siv feem ntau hauv cov kav dej ntsug lossis qhov chaw tswj cov kav dej hauv nruab nrab yog qhov tseem ceeb.
Qhov Loj
1/2"–80"
Lwm Cov Yeeb Nkab Fittings
Ua kom tiav cov kav dej kuj tseem siv tau:
- Pipe Caps
- Hla
- Stub Ends
- Couplings
- Cov koom haum
- Lub txiv mis
- Ceg Outlets (Weldolet, Sockolet, Threadolet)
- Gaskets
Cov fittings no hais txog ntau yam kev teeb tsa, kev saib xyuas, thiab kev ua haujlwm.
Pipe Fittings Standards thiab Qib
| Qeb | Cov qauv teev tseg | Qib / Scope teev nyob rau hauv tsab xov xwm |
|---|---|---|
| Carbon & alloy steel fittings | ASTM A234; MSS SP-75 | A234 WPB; A420 WPL6; WPHY 42/46/52/56/60/65/70; WP1/WP5/WP9/WP11/WP22/WP91 |
| Stainless hlau yeeb nkab fittings | ASTM A403 Cov khoom lag luam | WP 304/304L; 316/316L; 317/317L; 321; 310; 904l ua |
| Butt-weld haum qhov ntev | ASME / ANSI B16.9 | Factory-Ua Wrought Steel Butt-welding Fittings |
| Qhov (socket) -weld & threaded haum qhov ntev | ASME / ANSI B16.11 | Forged Steel Fittings, Qhov (socket) -Vuam thiab Threaded |
| Cov qauv hauv cheeb tsam / kev lag luam tau teev tseg | EN10253-1; DIN2605-1; JIS B2311; GB/T12459; GB / T13401; SH3409; HG/T12459; HG/T21631; DL/T695; GD2000; SY/T0518; SY/T0609; SY/T0510 | Raws li teev nyob rau hauv tsab xov xwm |
| Cov ntaub ntawv ntxiv hais txog | (Cov ntaub ntawv teev npe) | 16 Mn; 16 MnR; 12CrMo; 15CrMo; 12Cr1MoV; 0Cr18Ni9; 1Cr18Ni9Ti; 0Cr18Ni12MoTi; 00Cr19Ni10; 00Cr17Ni12Mo2 |
Yeeb Nkab Fitting Manufacturing txheej txheem
Tee Manufacturing txheej txheem
Cap Manufacturing txheej txheem
Lub luj tshib Manufacturing txheej txheem
Cov Txheej Txheem Kev Lag Luam Reducer
Kev kho cua sov
Nyob ntawm cov khoom siv qib thiab cov kev qhia tshwj xeeb, cov txheej txheem kho cua sov tuaj yeem suav nrog:
- normalizing
- Annealing
- Kev daws Annealing
- Quenching thiab Tempering
- Kev ntxhov siab
Cov kev kho mob no txhim kho cov khoom siv kho tshuab thiab xyuas kom ua raws li qhov project specifications.
Rau cov haujlwm tseem ceeb xws li cov koom nrog ADNOC, Saudi Aramco, lossis MA'ADEN, kev kho cua sov yuav tsum ua raws li cov txheej txheem pom zoo.
Kev tshuaj xyuas thiab kuaj
Cov yeeb nkab fittings feem ntau raug kuaj xyuas ua ntej xa khoom xa tuaj:
- Positive Material Identification (PMI)
- Kev tshuaj xyuas qhov muag
- Dimensional soj ntsuam
- Chemical Composition Analysis
- Kev Xeem Hardness
- Impact Testing (thaum teev)
- Kev kuaj ultrasonic (UT)
- Sib Nqus Particle Test (MT)
- Liquid Penetrant Testing (PT)
- Kev ntsuas hluav taws xob (RT)
Kev ntsuam xyuas hydrostatic feem ntau yog ua thaum xav tau los ntawm qhov project specifications lossis cov neeg yuav khoom yuav tsum tau, es tsis yog qhov yuav tsum tau xeem rau txhua qhov haum.
Peb lub Hoobkas
GNEE Yeeb Nkab yog Tuam Tshoj tus kws tshaj lij ib qho - nres kev lag luam saw hlau rau steel yeeb nkab fittings.
Cov yeeb nkab haum MTC
Tiv tauj peb
Cov lus nug nquag
Q: Dab tsi yog cov yeeb nkab haum?
A: Cov yeeb nkab haum yog cov khoom siv los txuas, hloov cov kev taw qhia, ceg, lossis txiav cov kav dej. Nws yog siv los sib sau cov kav dej thiab tswj cov kua dej lossis roj ntws hauv cov kav dej, suav nrog roj thiab roj, petrochemical, tsim hluav taws xob, thiab kev siv dej.
Q: Cov yeeb nkab fittings feem ntau yog dab tsi?
A: Cov yeeb nkab fittings feem ntau suav nrog lub luj tshib, tees, reducers, couplings, caps, thiab flanges. Cov fittings no yog siv los hloov cov kev taw qhia ntws, txuas cov yeeb nkab sib txawv, cov kav dej, lossis cov yeeb nkab kaw hauv cov kav dej.
Q: Cov ntaub ntawv dab tsi muaj rau cov yeeb nkab fittings?
A: Cov khoom siv feem ntau suav nrog:
- Cov pa roj carbon steel (ASTM A234 WPB, WPC)
- Stainless hlau (304, 316, 316L)
- Cov hlau tsis tshua muaj kub (ASTM A420)
- Alloy hlau (P11, P22, P91)
Q: Dab tsi yog flange siv rau?
A: Lub flange yog siv los txuas cov kav dej, lub valve, twj tso kua mis, thiab lwm yam khoom siv los tsim kom muaj kev ruaj ntseg thiab xau- nruj piping system. Nws kuj tso cai rau kev sib dhos yooj yim, disassembly, thiab txij nkawm ntawm cov kav dej hauv cov ntawv thov kev lag luam.
Q: Dab tsi yog hom flanges?
A: Feem ntau hom flanges muaj xws li weld caj dab flanges, plam- ntawm flanges, dig muag flanges, qhov (socket weld flanges), threaded flanges, thiab ceg tawv flanges. Cov flange hom no tau siv dav hauv cov kav dej los txuas cov kav dej, li qub, thiab cov khoom siv thaum ua kom muaj kev sib khi ruaj khov nyob rau hauv qhov sib txawv siab thiab kev pabcuam.
Q: Dab tsi yog qhov feem ntau siv flange loj?
A: Feem ntau siv flange qhov ntau thiab tsawg yog 2 ntiv mus rau 24 ntiv tes (DN50 rau DN600), nrog 2", 4", 6", 8", thiab 12" yog feem ntau siv hauv cov kav dej xws li roj thiab roj, petrochemical, thiab fais fab nroj tsuag.
Q: Dab tsi yog tee hauv cov yeeb nkab fittings?
A: Lub tee nyob rau hauv cov yeeb nkab fittings yog T-zoo li tus haum siv los txuas peb ntu ntawm cov yeeb nkab, tso cai rau ntws los faib los yog ua ke ntawm 90-degree ceg. Nws yog feem ntau siv hauv cov kav dej los faib lossis sau cov kua dej lossis roj ntws.
Q: Ob hom tee fittings yog dab tsi?
A: Ob lub ntsiab ntawm tee fittings yogsib npaug tee (ncaj tee)thiabreducer tee (tsis sib xws tee). Ib qho sib npaug tee muaj tag nrho peb qhov hluav taws xob ntawm tib txoj kab uas hla, thaum lub reducer tee muaj ib ceg qhov hluav taws xob ntawm ib txoj kab me me los txuas cov yeeb nkab sib txawv.
Q: Dab tsi yog qhov reducer?
A: Lub reducer yog cov yeeb nkab haum siv los txuas ob lub kav dej ntawm cov kab sib txawv, tso cai rau kev hloov pauv hauv qhov loj me hauv cov kav dej. Nws feem ntau yog siv los txo lossis nce cov raj xa dej loj thaum tuav cov kua dej ruaj khov lossis roj ntws.
Q: Vim li cas thiaj siv cov reducers?
A: Reducers yog siv los txuas cov kav dej ntawm cov kab sib txawv thiab xyuas kom muaj kev hloov pauv ntawm cov dej ntws ntawm cov yeeb nkab loj thiab me me. Lawv pab tswj tus nqi ntws, txo qhov poob siab, thiab hloov cov kav dej kom hloov cov qauv tsim lossis cov txheej txheem.
Q: Ob hom reducers yog dab tsi?
A: Ob lub ntsiab ntawm cov reducers yogconcentric reducersthiabeccentric reducers.
Concentric reducers yog siv thaum cov yeeb nkab centerlines ua raws, thaum eccentric reducers yog siv thaum tuav lub tiaj saum lossis hauv qab saum npoo yuav tsum tau tiv thaiv cov hnab tshos huab cua los yog xyuas kom cov kua dej kom zoo.
Q: Yuav ua li cas xaiv lub reducer?
A: Txhawm rau xaiv tus reducer, xav txog cov yeeb nkab loj (NPS), qhov ntsuas siab, cov khoom siv sib xws, thiab cov kev xav tau ntws. Siv lub concentric reducer rau ntsug lossis sib npaug ntawm cov dej ntws, thiab ib qho eccentric reducer rau kab rov tav cov kav dej los tiv thaiv huab cua los yog ua kua. Kev xaiv yuav tsum tau ua raws li cov qauv tseem ceeb xws li ASME B16.9 thiab cov txheej txheem kev ua haujlwm.
Q: Lub luj tshib yog dab tsi?
A: Feem ntau hom yeeb nkab luj tshib yog45-degree luj tshib, 90-degree luj tshib, thiab 180-degree luj tshib (rov qab khoov). Lawv tau siv los hloov cov kev taw qhia ntawm kev khiav hauv cov kav dej, nrog rau cov ces kaum sib txawv xaiv raws li qhov chaw txwv thiab cov kev xav tau ntws.
Q: Plaub qhov kev faib tawm ntawm lub luj tshib yog dab tsi?
A: Plaub qhov kev faib ua feem ntau ntawm lub luj tshib yog45-degree luj tshib, 90-degree luj tshib, 180-degree luj tshib (rov qab khoov), thiab ntev vojvoog (LR) vs luv vojvoog (SR) luj tshib.
Lawv tau siv los hloov cov kev taw qhia ntws hauv cov kav dej thaum tswj kev poob siab thiab kev teeb tsa qhov chaw.
Q: Dab tsi yog steel hau?
A: Lub hau steel yog cov yeeb nkab haum siv los kaw qhov kawg ntawm cov kav dej. Nws yog welded rau hauv cov yeeb nkab kawg kom kaw nws mus tas li los yog ib ntus, tiv thaiv cov kua los yog roj ntws dhau ntawm qhov kev txiav tawm hauv cov kav dej.
Q: Dab tsi yog lub raj xa dej rau?
A: Lub kaus mom lub raj yog siv los kaw lossis kaw qhov kawg ntawm cov yeeb nkab, tiv thaiv cov kua los yog roj los ntawm kev ntws tawm. Nws yog feem ntau ntsia rau hauv cov kav dej rau kev txiav cov kav dej, kev sim siab, lossis kev txuas ntxiv yav tom ntej.
Q: Dab tsi yog qhov txawv ntawm cov yeeb nkab caps?
A: Cov kaus mom feem ntau muaj xws li taub qab -weld caps (BW caps), threaded caps, thiab socket-weld caps. Lawv yog siv los kaw qhov kawg ntawm lub raj xa dej, tiv thaiv kev xau, thiab tiv thaiv cov kav dej los ntawm kev sib kis lossis kev puas tsuaj thaum ua haujlwm lossis khaws cia.
Q: Cov ntaub ntawv dab tsi muaj rau cov yeeb nkab fittings?
A: Cov khoom siv feem ntau suav nrog:
- Cov pa roj carbon steel (ASTM A234 WPB, WPC)
- Stainless hlau (304, 316, 316L)
- Cov hlau tsis tshua muaj kub (ASTM A420)
- Alloy hlau (P11, P22, P91)
Q: Dab tsi yog qhov txawv ntawm seamless thiab welded yeeb nkab fittings?
A: Seamless fittings yog forged los ntawm ib qho ntawm cov hlau thiab muab lub zog siab dua thiab ua haujlwm zoo dua. Welded fittings yog tus nqi - siv tau thiab tsim nyog rau qis dua - kev siv siab.
Q: Qhov txawv ntawm forged fittings thiab cam khwb cia fittings yog dab tsi?
A: Forged fittings muaj zog dua thiab siv rau siab -siab tshuab. Cam khwb cia fittings yog kev lag luam ntau dua thiab siv rau qis -siab lossis tsis yog- daim ntawv thov tseem ceeb.
Q: Cov yeeb nkab fittings puas tuaj yeem siv rau hauv qhov siab - kub thiab siab - qhov chaw siab?
A: Yog, tab sis kev xaiv cov khoom yog qhov tseem ceeb. Alloy steel fittings (xws li ASTM A234 WP11 / WP22 / WP91) raug pom zoo rau siab - kub thiab siab - kev pabcuam siab.
Q: Koj ua li cas kom tswj tau qhov zoo?
A: Kev lees paub zoo suav nrog:
- Raw khoom chemical tsom xam
- Dimensional soj ntsuam
- Kev ntsuam xyuas hydrostatic
- NDT Testing (UT, RT, MT)
- Thib peb-kev tshuaj ntsuam xyuas (SGS, BV, TUV)
Q: Koj lub sijhawm xa khoom rau cov yeeb nkab fittings yog dab tsi?
A: Standard size: 7-15 hnub
Kev txiav txim ntau lossis cov khoom lag luam kev cai: 20-40 hnub nyob ntawm qhov tshwj xeeb thiab ntau.
Q: Dab tsi ntim koj siv rau kev xa tawm?
A: Peb siv seaworthy ntim nrog rau:
- Ntoo rooj
- Hlau ncej
- Cov kaus mom yas tiv thaiv
- Waterproof wrapping rau ntev - shipping
Q: Koj puas muab MTC thiab daim ntawv pov thawj tshuaj xyuas?
A: Yog. Peb muab:
- Mill Test Certificate (EN 10204 3.1) / 3.2)
- Cov ntaub ntawv pov thawj
- Thib peb-cov ntaub ntawv tshuaj xyuas tog neeg raws li kev thov