Hauv ntiaj teb ntawm kev tswj cov kua dej hauv kev lag luam, qhov twg xeb, siab siab, thiab kub heev yog qhov ib txwm muaj, cov kav dej hlau tsis xeb tuaj yeem ua tsis tiav. Rau cov ntawv thov uas tsis ua haujlwm, cov thawj coj hauv kev lag luam tig mus rauCov Khoom Siv Zoo Super Stainless Steel Plug ValvesCov li qub no sawv cev rau qhov siab tshaj plaws ntawm kev tshawb fawb txog khoom siv thiab kev tsim kho, muab kev ua tau zoo thiab lub neej ntev tsis muaj qhov sib piv. Ntawm NSW Valve, ua tus tsim khoom siv hlau tsis muaj hlau zoo, peb tsim cov li qub no kom ua tau raws li cov teeb meem kev ua haujlwm nruj tshaj plaws.
Nkag Siab Txog Cov Khoom Sib Xyaws Ntawm Super Stainless Steel
Lo lus "super stainless steel" txhais tau hais tias yog ib pawg ntawm cov alloys siab heev uas tsim los ua kom zoo dua li cov hlau stainless 300-series (xws li 304 lossis 316). Lawv cov khoom zoo tshaj plaws yog los ntawm kev sib xyaw ua ke zoo uas tsom mus rau cov qib siab ntawm nickel, chromium, thiab molybdenum.
Cov Hlau Stainless Hlau Zoo Tshaj Plaws: A890 4A, 2205, S31803
Cov Hlau Stainless Hlau Zoo Tshaj Plaws: A890 5A, 2507, S32750
Cov Hlau Stainless Hlau Zoo Tshaj Plaws: A890 6A, Z100, S32760
Super Martensitic Stainless Hlau
Qib no muaj cov qauv martensitic tempered nrog cov ntsiab lus chromium siab (feem ntau nyob ib puag ncig 16%) thiab tej zaum yuav muaj 10% txog 40% khaws cia austenite. Ib qho kev sib xyaw ua ke suav nrog Carbon (C) ≤0.08%, Chromium (Cr) 16% ~ 18%, thiab Nickel (Ni) 8% ~ 12%. Kev sib xyaw ua ke no muab lub zog siab thiab txhim kho kev tiv thaiv corrosion dua li cov hlau martensitic ib txwm muaj.
Super Austenitic Stainless Hlau
Cov alloys no muaj cov qauv austenitic feem ntau, thiab muaj kwv yees li 24% ~ 26% Chromium, 6% ~ 8% Nickel, thiab 3% ~ 3.7% Molybdenum. Ntxiv Nitrogen (N) (0.24% ~ 0.32%) rau kev ua kom cov kua khov kho. Qhov tseem ceeb, cov pa roj carbon raug tswj hwm nruj me ntsis ntawm ≤0.03% kom txo qhov kev pheej hmoo ntawm kev xeb intergranular.
Cov yam ntxwv ntawm cov khoom sib xyaw
Feem ntau cov hlau tsis xeb zoo muaj Molybdenum (Mo) los txhim kho kev tiv thaiv kev xeb ntawm qhov pitting thiab crevice, tshwj xeeb tshaj yog nyob rau hauv cov chaw muaj chloride ntau. Nickel ua rau muaj kev tawv thiab ductility, thaum Chromium tsim cov txheej oxide ntom ntom, tiv thaiv passive ntawm qhov chaw. Cov ntsiab lus xws li Manganese (Mn) thiab Silicon (Si) raug kho kom zoo dua qub thiab cov txheej txheem tsim khoom.
Cov txiaj ntsig tseem ceeb ntawm kev siv Super Stainless Steel Plug Valves
Kev sib yuav ntawm cov khoom siv hlau tsis xeb nrog lub qhov ntsaws valve tsim ib qho khoom ntawm kev ntseeg siab thiab kev ua tau zoo tshwj xeeb.
Kev Tiv Thaiv Kev Xeb thiab Kev Haum Rau Qhov Kub Siab
Cov ntsiab lus Nickel, Chromium, thiab Molybdenum siab ua rau muaj kev tiv thaiv corrosion thiab thermal stability ntau dua li cov hlau stainless txheem. Cov hlau stainless hlau zoo super plug valves tuaj yeem ua haujlwm ntev hauv cov chaw muaj zog nrog cov kua qaub, alkalis, thiab chlorides muaj zog, nrog rau qhov kub siab tshaj plaws txog li 325 ° C thiab dhau rau cov qib tshwj xeeb.
Kev Ua Haujlwm Sealing thiab Kev Pov Hwm Xoom-Leaking
Peb lub qhov ntsaws valve muaj qhov tsim qauv meej, feem ntau nrog lub nplhaib sib khi ob npaug. Thaum lub qhov ntsaws tig, nws maj mam tsim kom muaj lub zog tshwj xeeb txaus kom ua tiav lub foob tsis muaj npuas, tsis xau hauv ob qho chaw qhib tag nrho thiab kaw tag nrho. Kev so ntawm lub tes tsho PTFE thiab lub qhov ntsaws ntxuav cov nplaim sealing thiab ua kom lub neej ua haujlwm ntev dua, nrog rau kev ua haujlwm ntawm kev sib khi tsis yog nyob ntawm lub zog ntawm kab.
Cov Qauv Sib Nyhav thiab Kev Ua Haujlwm Yooj Yim
Nrog rau qhov yooj yim-qhov chaw nres nkoj, ncaj-los yog peb-txoj kev tsim, cov li qub no me me thiab tsis hnyav, ua rau lawv zoo tagnrho rau kev ua haujlwm ntau zaus. Tsuas yog tig 90-degree xwb ces qhib lossis kaw lub li qub, ua rau yooj yim automation thiab tswj chaw taws teeb thaum tseem tswj cov nqi kho kom tsawg.
Kev Ruaj Khov thiab Lub Neej Ua Haujlwm Ntev hauv Cov Chaw Ib puag ncig Hnyav
Tus nqi tiag tiag ntawm lub super stainless hlau ntsaws valve tau ua pov thawj nyob rau hauv cov xwm txheej hnyav.
Kev Tiv Thaiv Kev Xeb
Cov hlau super austenitic (piv txwv li,UB6, 904L, 254SMO, AL-6XN) muaj kev tiv thaiv zoo rau ntau yam tshuaj corrosive, ua rau kev ua haujlwm ruaj khov hauv cov chaw muaj pH txij li 0 txog 14. Qhov no tiv thaiv kev puas tsuaj ntawm cov qauv los ntawm kev tawm tsam tshuaj lom neeg.
Kev Tiv Thaiv Kub Siab thiab Siab Siab
Cov li qub no tau tsim los kom tiv taus cov xwm txheej kev pabcuam hnyav, tswj qhov kub thiab txias txog li 400 ° C thiab qhov ntsuas siab txog li 16MPa. Piv txwv li, NSW Valve cov khoom lag luam tau tsim rau qhov kub thiab txias ntawm -40 ° C txog 400 ° C thiab ua tau raws li qhov yuav tsum tau ua ntawm qhov sib txawv ntawm 1.0-2.5 MPa thiab siab dua, ua rau lawv haum rau kev siv petrochemical thiab kev tsim hluav taws xob.
Kev Ua Haujlwm Mechanical thiab Sealing Integrity
Cov hlau tsis xeb zoo heev muaj kev sib xyaw ua ke zoo heev ntawm lub zog siab thiab kev tawv, ua kom lub cev valve thiab cov khoom sab hauv tiv taus kev hloov pauv hauv qab kev kub siab thiab kev poob siab ntawm kev ntws. Kev tsim qauv sealing ruaj khov lav qhov ua haujlwm tsis xau txawm tias tom qab lub voj voog ntev, ua raws li cov qauv nruj xws li API 607.
Kev Siv Nyiaj Zoo: Kev Nqis Peev Mus Ntev
Txawm hais tias kev nqis peev thawj zaug rau lub qhov dej zoo super stainless hlau plug valve yuav siab dua li lub qhov dej txheem, nws yog kev nqis peev zoo rau lub sijhawm ntev. Lub neej ua haujlwm ntev dua, txo qhov zaus hloov pauv, thiab qhov yuav tsum tau saib xyuas tsawg kawg nkaus ua rau tus nqi tag nrho ntawm kev muaj (TCO) qis dua. Kev tiv thaiv lub sijhawm tsis ua haujlwm tsis tau npaj tseg, kev poob ntau lawm, lossis cov xwm txheej ib puag ncig vim yog lub qhov dej tsis ua haujlwm muab cov txiaj ntsig nyiaj txiag thiab kev ua haujlwm zoo heev.
Cov Ntawv Thov Kev Lag Luam ntawm Super Stainless Steel Plug Valves
Cov li qub no yog qhov kev xaiv zoo tshaj plaws thoob plaws kev lag luam uas kev ua tau zoo yog qhov tseem ceeb.
Kev Lag Luam Petrochemical
Siv rau hauv cov khoom siv rho tawm, kis, thiab kho cov roj hauv thaj chaw roj—xws li cov khoom siv lub qhov dej, cov kav dej hloov pauv, thiab cov tswj qhov nkag/tawm ntawm cov thoob roj nyoos. Lawv lub peev xwm siab (saum toj no 10MPa) thiab kev tiv thaiv xeb tswj cov sulfides thiab lwm yam tshuaj lom neeg hauv cov roj nyoos.
Kev Thauj Khoom Siv Roj Ntuj
Tseem ceeb rau kev tswj kev ntws hauv cov kav dej ntev, cov chaw tswj siab, thiab cov chaw compressor, qhov chaw uas lawv yuav tsum tiv taus qhov siab tshaj 20MPa. Cov ntaub ntawv feem ntau yog cov hlau nickel lossis cov hlau tsis xeb kom tiv taus hydrogen embrittlement, muaj cov qauv tiv thaiv static thiab zoo dua.
Kev Tswj Xyuas Cov Tshuaj Lom Zem Uas Muaj Corrosive
Zoo tagnrho rau kev tswj cov kav dej uas muaj cov kua qaub / alkali, cov tshuaj oxidizers muaj zog (piv txwv li, nitric acid), lossis cov kuab tshuaj organic. Cov khoom ntub dej, feem ntau yog txheej nrog PTFE lossis ua los ntawm cov hlau xws li Hastelloy, muab cov kev tiv thaiv corrosion tsim nyog nrog rau cov yam ntxwv kev nyab xeeb xws li kev tsim hluav taws.
Kev Tswj Xyuas Xov Xwm Cryogenic
Haum rau cov ntawv thov roj liquefied xws li LNG (liquefied natural gas, qis dua -162 ° C) ntawm cov qhov nkag / qhov hluav taws xob ntawm lub tank cia khoom thiab cov chaw thauj khoom. Lub cev valve yog ua los ntawm cov hlau tsis xeb tshwj xeeb rau kev pabcuam qis-kub, nrog cov foob ua los ntawm cov ntaub ntawv xws li roj hmab EPDM.
Kev Sib Piv: Super Stainless Plug Valves vs. Lwm Hom Valve
Super Stainless Hlau Plug Valve Vs.Lub Pob Valve
• Cov Qauv Sealing & Kev Ntseeg Tau:Cov twj tso kua siv cov qauv tsim uas muaj lub qhov (tapered plug design) uas muab thaj chaw sib khi loj dua thiab muaj kev sib txuas. Qhov no feem ntau ua rau muaj kev sib khi zoo dua, ua npuas ncauj zoo dua piv rau cov kab sib cuag ntawm lub rooj zaum ntawm lub pob twj, tshwj xeeb tshaj yog rau cov ntawv thov uas muaj cov khoom sib txhuam lossis kev sib hloov ntau zaus uas tuaj yeem ua rau lub rooj zaum ntawm lub pob twj puas tsuaj.
• Kev Ua Haujlwm Torque:Feem ntau lub pob valve muaj lub zog ua haujlwm qis dua, tshwj xeeb tshaj yog thaum tig ib feem plaub ntawm lub voj voog. Txawm li cas los xij, lub ntsaws valve uas muaj roj nplua nyeem zoo ua haujlwm tau zoo.
• Kev Tsim Nyog:Thaum lub pob valve zoo tshaj plaws hauv kev pabcuam qhib / kaw rau cov kua dej huv, cov hlau tsis xeb hlau ntsaws valve feem ntau zoo dua rau kev tuav cov slurries, cov kua dej viscous, thiab cov xov xwm abrasive vim lawv cov kev ua haujlwm so thiab kev sib khi zoo dua.
Super Stainless Steel Plug Valve Vs. Gate Valve
Qhov kev sib piv ntawmSuper stainless hlau ntsaws valvethiablub qhov rooj vagfeem ntau tsom mus rau lawv cov yam ntxwv ntawm cov qauv, cov ntawv thov siv tau, thiab qhov sib txawv ntawm kev ua tau zoo:
• Cov Qauv thiab Txoj Cai Ua Haujlwm
Cov qhov ntsaws qhib thiab kaw los ntawm kev tig lub ntsaws 90 degrees. Lawv qhov chaw sib khi yog nyob ntawm kev sib cuag ncaj qha ntawm lub ntsaws thiab lub rooj zaum ntawm lub qhov, tab sis cov hlau tsis xeb zoo ua rau kev ua haujlwm sib khi zoo dua. Cov qhov rooj vag, ntawm qhov tod tes, qhib thiab kaw los ntawm kev tsa thiab txo lub rooj vag disc. Lawv lub foob yog nyob ntawm kev sib txhuam ntawm lub disc thiab lub rooj zaum ntawm lub qhov, thiab kev qhib ib nrab ntev tuaj yeem ua rau hnav yooj yim.
• Siv Tau Qhov Siab Thiab Kub
Cov qhov rooj hlau tsis xeb zoo heev yog tsim rau cov ntawv thov siab qis mus rau nruab nrab (feem ntau ≤ 1.6 MPa). Vim tias lawv lub foob nyob ntawm kev sib cuag ncaj qha, lawv yooj yim xau ntawm qhov siab siab. Qhov tod tes, lub qhov rooj vag valve tuaj yeem tiv taus qhov siab mus rau qhov siab heev (xws li cov chav hydrogenation petrochemical) thiab ua tiav kev sib khi txhim khu kev qha los ntawm kev faib tawm siab ntawm cov xov xwm.
• Kev Sib Txuas Lus Xov Xwm
Cov qhov ntsaws dej yog qhov tsim nyog dua rau cov khoom siv huv, tsis muaj viscosity (xws li dej thiab cua). Cov khoom siv uas muaj cov khoom me me lossis viscosity siab tuaj yeem ua rau lo. Cov qhov rooj vag yog qhov tsim nyog rau ntau yam khoom siv (xws li cov tshuaj lom neeg me me) thiab tshwj xeeb tshaj yog rau cov ntawv thov uas xav tau kev kaw dej.
• Kev Ua Haujlwm thiab Kev Txij Nkawm
Cov qhov ntsaws valve muaj qhov qhib thiab kaw qis thiab tsis muaj kev sib txhuam, ua rau lawv yooj yim rau kev saib xyuas (cov khoom tsis huv tuaj yeem tshem tawm sai). Lub qhov rooj valve muaj lub zog ua haujlwm loj, thiab qhov chaw kaw tau yooj yim hnav tom qab siv ntev. Cov khoom nruab nrab uas muaj cov khoom tsis huv yuav ua rau xau.
Khoom siv & Kev tiv thaiv xeb
Qhov sib txawv tseem ceeb yog cov khoom siv. Lub Super Stainless Steel Plug Valve siv cov alloys siab heev (piv txwv li, duplex, super duplex, super austenitic) uas muaj kev tiv thaiv zoo dua rau pitting, crevice corrosion, thiab stress corrosion cracking (SCC) dua li tus qauv Stainless Steel Ball Valve ua los ntawm 316SS, tshwj xeeb tshaj yog nyob rau hauv cov chaw muaj chloride ntau.
Cov Lus Qhia Txog Kev Txij Nkawm Rau Kev Ua Haujlwm Zoo Tshaj Plaws
Ua kom koj lub li qub siv tau ntev tshaj plaws nrog kev saib xyuas kom zoo.
Kev Kho Kom Zoo
Tshawb xyuas cov nplaim ntawm lub qhov ntsaws thiab lub cev kom paub seb puas muaj kev puas tsuaj lossis xeb. Ntxuav kom huv si kom tshem tawm cov khib nyiab uas yuav ua rau lub foob puas tsuaj.
Kev Tswj Xyuas Lubrication
Rau cov qhov ntsaws uas muaj roj nplua nyeem, tswj kom muaj roj nplua nyeem zoo los ntawm kev txhaj cov roj ua haujlwm siab (xws li EL-80) raws li pom zoo kom ntseeg tau tias ua haujlwm du thiab tiv thaiv cov nplaim kaw.
Cov Lus Qhia Txog Kev Ua Haujlwm
Ua haujlwm lub valve kom du thiab sib npaug thaum tig 90-degree. Tsis txhob cuam tshuam lossis siv zog ntau dhau. Yog tias kev ua haujlwm nyuaj, tshawb xyuas qhov ua rau tsis txhob yuam.
Kev Tshuaj Xyuas Tsis Tu Ncua
Siv ib lub sijhawm tshuaj xyuas tsis tu ncua. Kev tshuaj xyuas txhua hli rau qhov xau sab nraud thiab xeb yog qhov pom zoo. Txhua peb lub hlis, yuav tsum tau ua kev tshuaj xyuas kom ntxaws ntxiv ntawm lub actuator (yog tias muaj) thiab lubrication system.
Xaiv Tus Neeg Muab Khoom Siv Valve Zoo
Kev xaiv tus khub tseem ceeb tshaj qhov yuav khoom. Xaiv ib lub chaw muag khoom thiab lub Hoobkas zoo li NSW Valve uas muaj cov hauv qab no:
• Kev Tsim Khoom Hauv Tsev:Tswj xyuas tag nrho cov txheej txheem ntau lawm, txij li kev xaiv cov khoom siv mus rau kev ua haujlwm.
• Kev taug qab cov khoom siv:Cov ntawv qhia txog kev sim zeb uas tau ntawv pov thawj (MTRs) uas lav qhov muaj cov khoom sib xyaw ua ke.
• Kev Paub Txog Kev Siv Tshuab:Kev txhawb nqa engineering los pab koj xaiv lub valve thiab cov khoom siv rau koj daim ntawv thov tshwj xeeb.
• Cov Ntawv Pov Thawj Zoo:Kev ua raws li cov qauv thoob ntiaj teb (API, ASME, ISO).
• Kev Pab Tom Qab Muag Khoom:Kev pabcuam rau cov neeg siv khoom txhim khu kev qha thiab muaj cov khoom seem.
Xaiv Cov Khoom Siv Hlau Stainless Hlau Super Stainless
Khoom siv:ASTM A890 4A, ASTM A890 5A, ASTM A890 6A, ASTM A890 5A, UNS S32550, S32750, S32760, 2205, 2507, Z100
Qhov Loj:NPS: 1/2, 3/4, 1, 1 1/2, 2, 2 1/2, 3, 4, 5, 6, 8, 10, 12, 14, 16, 18, 20, 24, 28, 32, 36, 40 Nti.
Siab Ntau Yam:Chav Kawm 150lb, 300lb, 600lb, 900lb, 1500lb, 2500lb, thiab lwm yam.
Kev Sib Txuas:Flange RF, Flange RTJ, Flange FF, Xov, Butted Weld, Socket Weld, thiab lwm yam.
Kev Ua Haujlwm:Lub log tes, Lub tshuab ua haujlwm pneumatic, lossis Lub tshuab ua haujlwm hluav taws xob.
Cov Ntawv Pov Thawj:API 6D, API 599, ASME B16.34, API 607, ISO 15848-1, ISO 15848-2.
Chaw Tsim Khoom Siv Hluav Taws Xob Thoob Ntiaj Teb Zoo Super Stainless Steel Plug Valves
Emerson (Fisher)
Fisher yog lub npe nrov thoob ntiaj teb, muab ntau yam khoom siv ntsaws uas siv dav hauv roj, roj av, thiab kev lag luam tshuaj lom neeg, uas paub zoo txog nws qhov zoo thiab kev ntseeg siab.
ROUTH
ROUTH yog lub tuam txhab muab khoom siv valve thoob ntiaj teb, muab cov khoom siv ntsaws zoo, tshwj xeeb tshaj yog rau cov roj, roj av, thiab kev kho dej khib nyiab, nrog kev tiv thaiv corrosion zoo heev thiab kev ua haujlwm kub siab.
Swagelok
Swagelok yog ib lub tuam txhab muab khoom siv valve hauv Tebchaws Meskas, muab cov khoom siv valve zoo rau kev tswj cov kua dej kom raug, siv dav hauv kev lag luam roj, roj av, tshuaj lom neeg, thiab chaw kuaj mob.
NSW yog ib lub tuam txhab tsim thiab muab cov khoom siv valve hauv Suav teb. Peb muab cov khoom siv stainless hlau zoo heev, cov khoom siv pob, cov khoom siv rooj vag, cov khoom siv npauj npaim, thiab lwm yam khoom. Peb cov khoom siv dav hauv roj, roj av, LNG, kev tsim hluav taws xob, thiab kev lag luam hauv hiav txwv.
ROBERTSON (Tebchaws USA)
ROBERTSON, ib lub tuam txhab tsim khoom siv valve, muaj ntau hom plug valves uas siv dav hauv cov chaw kub thiab siab, suav nrog cov chaw lag luam tshuaj lom neeg, roj, thiab fais fab.
Xaus Lus: Kev Nqis Peev rau Qhov Zoo rau Kev Ua Lag Luam Zoo
Hauv cov txheej txheem kev lag luam tseem ceeb, kev ua tsis tiav ntawm cov khoom tsis yog ib qho kev xaiv. Kev xaiv cov khoom siv hlau tsis xeb zoo los ntawm cov chaw tsim khoom muaj npe nrov xws li NSW Valve yog kev nqis peev rau kev nyab xeeb, kev ntseeg siab, thiab kev ua haujlwm zoo. Los ntawm kev nkag siab txog lawv cov ntaub ntawv zoo tshaj plaws, qhov zoo, thiab cov ntawv thov zoo tshaj plaws, koj tuaj yeem txiav txim siab tau zoo uas ua kom muaj kev ua haujlwm ntev thiab tiv thaiv koj cov khoom muaj nqis. Koom tes nrog tus neeg muag khoom uas tsis yog tsuas yog muab cov khoom xwb, tab sis kuj yog kev daws teeb meem engineering uas tsim los kav ntev.
Npaj txhij los xaiv lub valve uas haum rau koj daim ntawv thov uas nyuaj? Hu rau NSW Valve cov kws tshaj lij hnub no los tham txog koj cov kev xav tau.
Lub sijhawm tshaj tawm: Cuaj hlis-09-2025