Flanges yog cov caj qaum ntawm txhua lub kav dej. Txawm hais tias koj tab tom tsim cov khoom siv tshuaj, cov roj refinery, lossis cov chaw kho dej hauv nroog, cov flanges uas koj xaiv txiav txim siab txog kev ntseeg siab, kev nyab xeeb, thiab kev ua neej ntev ntawm koj cov kav dej tag nrho.
Tab sis nrog ntau yam khoom siv, kev ntsuas siab, thiab hom ntsej muag muaj, koj ua li cas thiaj xaiv tau? Phau ntawv qhia no rhuav tshem txhua yam koj xav paub txog stainless hlau flanges thiab carbon steel flanges - los ntawm cov khoom siv thiab cov qauv tsim khoom rau daim ntawv thov - cov lus qhia tshwj xeeb.
Flange yog dab tsi?
Lub flange yog cov khoom siv kho tshuab siv los txuas cov kav dej, lub valve, twj, thiab lwm yam khoom siv los tsim cov kav dej. Flanges feem ntau yog welded los yog threaded rau cov yeeb nkab kawg thiab tom qab ntawd bolted ua ke nrog gaskets los tsim kom muaj qhov xau- pov thawj foob.
Ob hom khoom flange feem ntau yogcarbon hlauthiabstainless hlau, txhua tus haum rau qhov chaw ua haujlwm sib txawv.
Carbon Steel Flanges: Thaum muaj zog thiab nqi zog teeb meem
Cov pa roj carbon steel flanges yog cov haujlwm ua haujlwm ntawm cov kav dej. Lawv muab lub zog zoo heev ntawm tus nqi qis, ua rau lawv xaiv qhov kev xaiv rau kev siv dav dav - lub hom phiaj.
Hom Khoom Qib
- ASTM A105 1- Cov khoom siv carbon steel flange feem ntau siv rau kev pabcuam. Haum rau ob qho tib si ambient thiab siab - daim ntawv thov kub txog li 425℃. Siv hauv cov chav kawm siab 150 # txog 2500 #.
- ASTM A350 LF2- Tsim los rau qis- qhov kub thiab txias kev pabcuam (txog rau -50℃). Feem ntau siv rau hauv cov ntawv thov cryogenic thiab huab cua txias.
- ASTM A694 F60 / F65- Siab- qib zog siv nyob rau hauv siab - cov kav xa hluav taws xob, tshwj xeeb hauv kev lag luam roj thiab roj.
- Q235 / 20#- Suav cov qauv qib tsim nyog rau qhov nruab nrab siab nruab nrab, feem ntau siv hauv cov dej hauv tsev thiab kev tsim kho.
Cov khoom tseem ceeb
| Khoom | Tus nqi |
|---|---|
| Tensile zog | 375-565 MPa |
| Qhov kub thiab txias | -50℃rau 425 degree |
| Corrosion Resistance | Nruab nrab (yuav tsum tau txheej) |
| Nqi | Tsawg rau Nruab Nrab |
Tej kev siv
- Roj thiab roj pipelines (onshore auxiliary systems)
- Chemical processing (cov kua nruab nrab)
- Kev tiv thaiv hluav taws
- Municipal dej thiab dej ntws
- Mining thiab slurry thauj
- Cov qauv kev txhawb nqa
Thaum xaiv carbon steel:Koj daim ntawv thov cuam tshuam nrog cov kua dej tsis zoo, cov dej ua haujlwm kub nyob hauv -50℃txog 425 degree, thiab pob nyiaj siv yog qhov kev txhawj xeeb tseem ceeb.
Stainless Hlau Flanges: Superior Corrosion Resistance
Stainless hlau flangesmuab qhov zoo dua corrosion kuj ua tsaug rau lawv cov ntsiab lus chromium (tsawg kawg 10.5%), uas tsim cov txheej txheem oxide passive rau ntawm qhov chaw. Lawv yog cov kev xaiv zoo tshaj plaws rau kev nruj heev.
Hom Khoom Qib
- ASTM A182 F304 / F304L Cov Lus Qhia- Feem ntau siv stainless hlau flange qib. F304L muaj cov ntsiab lus qis dua (0.03% max) rau kev txhim kho weldability thiab txo rhiab heev. Haum rau qhov chaw corrosive dav dav.
- ASTM A182 F316 / F316L Cov Lus Qhia- Muaj molybdenum (2-3%) rau kev txhim kho cov tshuaj chlorides thiab pitting. F316L yog qib mus rau qib rau marine thiab tshuaj ua haujlwm ib puag ncig.
- ASTM A182 F 321 Cov Lus Qhia- Stabilized nrog titanium rau cov ntawv thov uas xav tau kev tiv thaiv intergranular corrosion. Siv nyob rau hauv siab -kev pab kub.
- ASTM A182 F51 / F53 / F55- Duplex thiab super duplex qib muab ob npaug ntawm cov khoom muaj zog ntawm 316L thiab zoo heev chloride kev nyuaj siab corrosion cracking kuj.
Cov khoom tseem ceeb (F304)
| Khoom | Tus nqi |
|---|---|
| Tensile zog | 515-690 MPa |
| Qhov kub thiab txias | -196℃rau 800 degree |
| Corrosion Resistance | Zoo heev |
| Nqi | Nruab nrab mus rau siab |
Tej kev siv
- Kev siv tshuaj thiab petrochemical
- Offshore thiab marine ib puag ncig
- Pharmaceutical and food processing (kev sib txuas huv si)
- Kub exchangers thiab boiler systems
- Roj thiab roj (kev pabcuam qaub, siab H&sub2;S ib puag ncig)
- Kev tsim hluav taws xob (steam turbines, boiler feed systems)
Thaum xaiv stainless hlau:Koj lub kaw lus tswj xyuas cov xov xwm corrosive, ua haujlwm ntawm qhov kub thiab txias, xav tau cov qauv kev tu cev, lossis nyob hauv thaj chaw marine.
Hom Flanges thiab Thaum Yuav Siv Lawv
1. Weld Neck Flange
Lub caj dab weld flange nta ntev tapered hub uas muab kev hloov pauv ntawm cov yeeb nkab thiab flange, txo kev ntxhov siab. Qhov kawg beveled phim cov yeeb nkab phab ntsa thickness rau tag nrho - nkag mus rau vuam.
Qhov zoo tshaj plaws rau:High-siab thiab siab-kev siv kub (Class 600+), kev pabcuam hnyav, sub-zero kub.
2. Slip-Ntawm Flange
Slip- ntawm flanges swb hla cov yeeb nkab thiab yog fillet-welded nyob rau hauv qhov chaw. Lawv yooj yim dua los ua kom zoo dua li lub caj dab flanges tab sis muaj zog qis zog.
Qhov zoo tshaj plaws rau:Kev siv qis rau nruab nrab siab (Class 150-300), qhov yooj yim ntawm kev sib dhos yog qhov tseem ceeb.
3. Qhov muag tsis pom Flange
Qhov muag tsis pom flanges tsis muaj bore thiab yog siv los kaw qhov kawg ntawm lub kav dej los yog lub nkoj qhib. Lawv tuaj yeem tswj tau siab sab hauv vim lawv cov khoom siv.
Qhov zoo tshaj plaws rau:Kev kaw lub nkoj siab, qhov system xaus yuav tsum tau kuaj xyuas tsis tu ncua.
4. Qhov (socket) Weld Flange
Cov yeeb nkab haum rau hauv lub qhov (socket recess) thiab yog fillet-welded nyob rau sab saum toj. Internal welds muab kev qaug zog zoo heev.
Qhov zoo tshaj plaws rau:Me -inch, siab- cov kav dej siab hauv kev ua tshuaj.
5. Xov Flange
Threaded flanges ntsia hlau rau cov kav dej nrog cov xov sab nraud. Tsis tas yuav tsum muaj vuam, ua rau lawv zoo tagnrho rau cov chaw muaj kev phom sij uas txwv tsis pub vuam.
Qhov zoo tshaj plaws rau:Ib puag ncig tawg, tsawg- cov ntawv thov siab, kev sib txuas ib ntus.
6. Lap Joint Flange
Ib ob -cov khoom sib dhos uas muaj lub nplhaib flange xoob thiab ib qho kawg. Lub nplhaib flange tig ywj siab, ua kom yooj yim rau lub qhov ntsia hlau qhov sib dhos.
Qhov zoo tshaj plaws rau:Cov kab ke uas yuav tsum tau muab tshem tawm thiab tu, tsis tshua muaj - alloy lossis carbon steel kav.
7. Nplhaib-Type Joint (RTJ) Flange
RTJ flanges muaj qhov sib sib zog nqus groove uas lees txais lub nplhaib hlau gasket. Thaum bolted, lub gasket compresses rau hauv qhov zawj, tsim cov hlau - rau - hlau foob.
Qhov zoo tshaj plaws rau:Ultra-siab siab thiab siab-kev siv kub (Class 900+), roj thiab roj kis tau tus mob.
Lub ntsej muag piav qhia
Lub ntsej muag flange yog lub sealing nto qhov twg lub gasket zaum. Xaiv lub ntsej muag zoo yog qhov tseem ceeb rau kev tiv thaiv kom tsis txhob xau.
| Hom ntsej muag | Cim | Siab Ntau | Daim ntawv thov zoo tshaj plaws |
|---|---|---|---|
| Tsa ntsej muag | RF | Chav Kawm 150-2500 | Lub hom phiaj dav dav, feem ntau |
| Lub ntsej muag | FF | Chav Kawm 125-150 | Cov khoom siv hlau cam, tsis tshua muaj siab |
| Ntiv nplhaib | RTJ | Chav Kawm 600-2500 | Kev kub siab, kub siab |
| Txiv neej / Poj niam | MFM | Chav Kawm 150-2500 | Precise alignment yuav tsum tau |
| Tus nplaig & Groove | T&G | Chav Kawm 150-2500 | Toxic lossis cov kua dej txaus ntshai |
Cov qauv kev sib piv
Feem ntau siv flange txheem thoob ntiaj teb yogASME B16.5, uas npog cov chav kawm siab txog 2500 # rau qhov ntau thiab tsawg 1/2 "mus rau 24". Tshaj 24",ASME B16.47(Series A thiab Series B) siv tau.
| Txuj | Thaj tsam | Cov yam ntxwv tseem ceeb |
|---|---|---|
| ASME B16.5 | Thoob ntiaj teb | Npog 1/2" - 24", Chav Kawm 150-2500 |
| TS EN 1092-1 | Teb chaws Europe | Metric sizing, PN kev ntsuas |
| DIN | Lub teb chaws Yelemees | PN 6 - PN 100 |
| JIS B2220 | Nyiv | 5K - 30K siab ntsuas |
| GB/T 9115 | Tuam Tshoj | Sib npaug rau ASME thiab DIN ntau yam |
Khoom Xaiv Matrix
| Kev Pabcuam | Khoom siv pom zoo | Txuj |
|---|---|---|
| General dej/gas | Carbon Steel A105 | ASTM A105 1 |
| Tsawg kub (mus txog -50 degree) | Carbon Steel LF2 | ASTM A350 LF2 |
| Nruab nrab corrosion | SS 304 / L | ASTM A182 F304 / L |
| Chloride / marine | SS 316 / L | ASTM A182 F316 / L |
| Kub kub (siab tshaj 425 degree) | SS 321 los yog 347 | ASTM A182 F321 / F347 Cov Lus Qhia |
| Kua qaub (H&sub2;S) | TIAB SA 2205 | ASTM A182 F51 |
| Cov tshuaj chloride heev | Super Duplex 2507 | ASTM A182 F53 |
| Ultra{0}}siab siab | Hlau alloy F22 | ASTM A182 F22 |
Kev kuaj xyuas zoo thaum muab Flanges
Tsis hais txog ntawm cov khoom, txhua qhov kev txiav txim flange yuav tsum suav nrog:
- Material Test Report (MTR)rau EN 10204 3.1 lossis 3.2
- Tshuaj muaj pes tsawg leegpov thawj
- Cov cuab yeej cuab tamkuaj (tensile, tawm los, hardness)
- Dimensional soj ntsuamraws li tus qauv siv tau
- Hydrostatic xeemrau siab- muaj cov khoom
- Kev kuaj Hardnessrau daim ntawv thov kev pabcuam qaub (NACE MR0175)
Vim li cas qhov Flanges los ntawm Ib Lub Chaw Tsim Tshuaj?
Thaum koj qhov flanges los ntawm tib lub chaw tsim khoom uas muab koj cov khoomstainless hlau kav, cov yeeb nkab fittings, thiabfasteners, koj tau txais txiaj ntsig los ntawm:
- Guaranteed khoom compatibility- Sib piv cov qhab nia thoob plaws txhua qhov chaw
- Simplified zoo tswj- Ib MTR rau tag nrho pob
- Bundled nqi- Cov ntsiab lus zoo dua ntawm kev txiav txim ua ke
- Txo logistics complexity- Ib qho khoom xa tuaj, ib qho kev lis kev cai clearance
- Kev lav ris- Ib qho kev sib cuag rau cov teeb meem zoo
Shuangzhong: Koj Flange Chaw Tsim Tshuaj
Ntawm Henan Shuangzhong Intelligent Technology Co., Ltd., peb tsim ntau yam ntawmcarbon steel flanges, stainless hlau flanges, duplex,thiaballoy steel flanges. Peb lub peev xwm muaj xws li:
- Flanges ntawm 1/2 "mus rau 80" (DN15 txog DN2000)
- Cov chav kawm siab ntawm 150 # txog 2500 #
- Txhua hom ntsej muag: RF, FF, RTJ, MFM, T&G
- Cov Qauv: ASME B16.5, ASME B16.47, EN 1092-1, DIN, JIS, GB
- Ua kom tiav cov ntaub ntawv traceability nrog EN 10204 3.1 ntawv pov thawj
- ISO 9001: 2015 thiab API zoo tau ntawv pov thawj
Txhua lub flange peb xa khoom yog txhawb nqa los ntawm cov ntaub ntawv tag nrho, thib peb - kev xaiv tshuaj xyuas tog, thiab 12 lub hlis lav.
Npaj los Tau Flanges rau Koj Qhov Kev Ua Haujlwm Tom ntej?
Tau txais cov lus hais hauv 24 teev. Cov qauv dawb muaj rau kev kuaj xyuas zoo.
Cov ntsiab lus
Xaiv txoj cai flange los ntawm kev nkag siab koj cov kev ua haujlwm:
- Cov pa roj carbon steelrau cov kev pabcuam dav dav uas tsis yog -cov kua corrosive thiab nruab nrab kub
- Stainless hlaurau corrosive ib puag ncig, huab cua kub, thiab kev tu cev
- Duplex thiab alloy qibrau tshwj xeeb siab -siab, qaub kev pab cuam, los yog ultra- daim ntaub ntawv corrosive
Ua kom haum koj hom flange (weld caj dab, plam- ntawm, qhov muag tsis pom, thiab lwm yam) thiab hom ntsej muag (RF, RTJ, FF) rau koj cov chav kawm siab thiab qhov yuav tsum tau ua. Thiab thaum ua tau, qhov chaw flanges ua ke nrog cov kav dej thiab fittings los ntawm ib qho chaw tsim khoom los txo kev pheej hmoo thiab ua kom yooj yim ntawm kev yuav khoom.
