Dab tsi yog lub Stainless Steel Valve

A lub valve hlau tsis xebyog lub valve ua los ntawm cov hlau tsis xeb. Nws tuaj yeem siv los tswj cov dej ntws ntawm ntau hom kua, suav nrog cua, dej, pa dej, ntau yam corrosive media, slurry, roj, kua hlau, thiab radioactive media.

1. Kev Txheeb Xyuas Yooj Yim thiab Cov Hom Tseem Ceeb ntawm Cov Hlau Stainless Hlau

Kev Txhais thiab Cov Yam Ntxwv Tseem Ceeb:

A lub valve hlau tsis xebyog ib lub valve uas nws cov khoom tseem ceeb, xws li lub cev valve thiab lub hau valve, yog ua los ntawm cov hlau tsis xeb.

Nws yog ib hom valve uas tsis yooj yim xeb, tiv taus corrosion, thiab muaj kev tiv taus siab zoo.

Qhov siab ua haujlwm ntawm cov hlau tsis xeb tuaj yeem yog los ntawm qhov siab qis heev ntawm 0.0013MPa mus rau qhov siab siab heev ntawm 1000MPa, thiab qhov kub thiab txias siv tau tuaj yeem yog los ntawm qhov kub qis heev ntawm -269 ℃ mus rau qhov kub siab ntawm 1430 ℃. Nws tuaj yeem tswj ntau hom kua, suav nrog dej, pa dej, roj, roj av, ntau yam khoom siv corrosive, cov hlau ua kua, thiab cov kua dej radioactive.

• Kev Tiv Thaiv Kub Siab: Cov hlau tsis xeb muaj qhov kub yaj siab thiab tuaj yeem tiv taus kev siv hauv qhov chaw kub siab.
• Kev Tiv Thaiv Kev Kub Ntxhov: Cov hlau tsis xeb tsis yooj yim xeb thiab tuaj yeem tiv taus kev siv cov xov xwm corrosive.
• Kev tiv taus siab zoo heev: Cov hlau tsis xeb muaj lub zog thiab kev tawv zoo heev, ua rau nws tiv taus qhov chaw muaj kev kub siab.

2. Kev faib tawm ntawm Cov Hlau Stainless Hlau:

Cov kav dej stainless hlau muaj ntau hom, nrog rau cov hom feem ntau suav nrog:

2.1. Kev faib tawm los ntawm Hom Valve:

• Stainless hlau rooj vag Valve
• Stainless Hlau Globe Valve
• Stainless hlau kos Valve
• Stainless hlau npauj npaim valve
• Stainless hlau pob valve

Ntawm lawv, cov hlau tsis xeb pob valve ua tiav qhov qhib thiab kaw sai los ntawm kev tig lub plawv valve 90 degrees. Raws li lawv cov qauv, lawv tuaj yeem muab faib ua hom ntab, ruaj khov, thiab resilient.

2.2. Kev faib tawm los ntawm cov khoom siv valve:

• CF8 Valve (304 Valve)
• CF8M Valve (316 Valve)
• CF3 Valve (304L Valve)
• CF3M Valve (316L Valve)

Lwm cov ntaub ntawv stainless hlau valve suav nrog 321 li qub, 201 li qub, thiab lwm yam.

3. Dab tsi yog Stainless Steel

Cov hlau tsis xeb yog luv rau cov hlau tsis xeb thiab cov hlau uas tiv taus kua qaub. Cov hlau uas tiv taus cov tshuaj lom neeg xws li cua, pa dej, thiab dej, lossis cov uas tiv taus xeb, hu ua cov hlau tsis xeb. Cov hlau uas tiv taus cov tshuaj lom neeg (acids, alkalis, ntsev, thiab lwm yam) hu ua cov hlau uas tiv taus kua qaub.

Cov kws tshawb fawb txog hlau tau tsim ntau qib hlau tshiab los ntawm kev ntxiv cov ntsiab lus xws li Mo, Cu, Nb, thiab Ti rau cov hlau tsis xeb lossis txo cov ntsiab lus xws li C, Si, Mn, S, thiab F, rau ntau lub hom phiaj thiab daim ntawv thov. Cov hlau tsis xeb uas ua kom nag los (sedimentation hardening) thiab cov hlau tsis xeb duplex kuj tau tsim tau zoo.

Lus Cim: Cov khoom siv hlau tsis xeb uas siv ntau hauv cov li qub suav nrog CF8, CF8M, CF3, thiab CF3M. Kuj tseem muaj cov hlau super duplex, xws li 4A, 5A, thiab 6A.

Cov yam ntxwv ntawm Stainless Steel

• Kev tiv thaiv corrosion zoo: Cov hlau tsis xeb muaj kev tiv thaiv corrosion zoo heev, tiv taus kev yaig ntawm ntau yam tshuaj lom neeg thiab haum rau ntau yam xov xwm thiab ib puag ncig.
• Kev Ua Haujlwm Zoo Kawg Nkaus: Cov kav dej hlau tsis xeb siv cov ntaub ntawv yooj ywm ua qhov chaw sib khi, ua tiav kev ua haujlwm zoo heev thiab tiv thaiv cov kua dej xau.
• Muaj Zog Thiab Tsis Hnyav: Cov khoom siv valve ua los ntawm cov hlau tsis xeb muaj zog heev, ua rau lawv tiv taus kev siv nyob rau hauv ntau yam kev nyuaj siab. Tib lub sijhawm, cov valve ua los ntawm cov hlau tsis xeb muaj kev tiv thaiv kev hnav zoo heev, ua rau siv tau ntev yam tsis muaj kev puas tsuaj loj.
• Zoo nkauj thiab yooj yim los ntxuav: Cov li qub stainless hlau muaj qhov zoo nkauj nrog qhov ci ntsa iab, ci ntsa iab, ua rau lawv yooj yim los ntxuav thiab tswj.
• Kev Siv Tau Dav: Cov kav dej hlau tsis xeb tuaj yeem xaiv tau raws li cov xwm txheej thov tshwj xeeb thiab cov yam ntxwv ntawm cov kua dej, muab kev siv dav.

4. Cov Yam Tseem Ceeb thiab Kev Xav Txog Kev Xaiv Lub Valve Stainless Steel

4.1. Kev Tshawb Fawb Txog Kev Ua Haujlwm thiab Ib puag ncig:

Cov kev xav tseem ceeb rau kev xaiv yog qhov corrosionness, kub, siab, thiab flow rate ntawm cov khoom nruab nrab. Piv txwv li, nyob rau hauv ib puag ncig uas muaj chloride ions (xws li dej hiav txwv lossis brine) lossis cov khoom nruab nrab uas corrosive heev, cov hlau tsis xeb 316 lossis 316L uas tiv taus corrosion ntau dua yuav tsum tau muab tso ua ntej dua li cov hlau tsis xeb 304 ib txwm muaj.

4.2. Kev Xaiv Cov Khoom Siv Hlau Stainless:

Cov qib sib txawv ntawm cov hlau tsis xeb qhia txog kev ua tau zoo sib txawv, xav tau kev sib phim meej raws li cov xwm txheej ua haujlwm.

• 304 Stainless Steel: Muaj 18% chromium thiab 8% nickel (18/8 stainless steel), muaj kev tiv thaiv corrosion zoo thiab cov khoom siv kho tshuab, tsim rau feem ntau qhov chaw tsis muaj huab cua hnyav, xws li kev muab dej hauv nroog, kev lag luam zaub mov, thiab HVAC systems. Nws lub zog tensile ≥520MPa thiab elongation ≥40%.
• 316/316L Cov Hlau Tsis Muaj Hlau: Raws li 304, molybdenum (Mo) ntxiv rau, ua rau kev tiv thaiv xeb zoo dua, tshwj xeeb tshaj yog kev tiv thaiv xeb thaum pitting. Haum rau kev tsim kho hauv dej hiav txwv, kev lim dej hiav txwv, cov thoob dej khaws tshuaj lom neeg, thiab lwm qhov chaw uas muaj cov chloride ions lossis muaj zog corrosiveness. 316L muaj cov pa roj carbon tsawg dua (≤0.03%), tiv thaiv kev xeb intergranular tom qab vuam, ua rau nws haum rau cov li qub loj uas xav tau vuam.
• 3. Lwm Cov Khoom Siv: Rau cov khoom uas xav tau lub zog siab thiab tiv taus kev hnav (xws li cov kav valve thiab cov tub ntxhais valve), yuav siv tau cov hlau tsis xeb martensitic (xws li 410); nyob rau hauv cov xwm txheej hnyav ntawm kev siab siab, kev xeb siab, thiab kev ntws siab (xws li kev rho tawm roj thiab roj), yuav siv cov hlau tsis xeb duplex (xws li 2205), uas muaj ob npaug ntawm lub zog ntawm 304, yuav raug txiav txim siab.

4.3. Cov Kev Cai ntawm Lub Valve thiab Cov Kev Cai Sealing:

Qhov loj ntawm lub valve uas tsim nyog (lub nominal diameter DN) yuav tsum tau xaiv raws li qhov loj ntawm cov kav dej thiab qhov yuav tsum tau ua ntawm lub system, thiab yuav tsum tau sib phim nrog qhov ntsuas siab ua haujlwm ntawm lub system. Kev ua haujlwm ntawm sealing cuam tshuam ncaj qha rau kev ua haujlwm; yog li ntawd, cov qauv sealing thiab cov khoom siv tsim nyog (xws li PTFE soft seals lossis hard alloy hard seals) yuav tsum tau xaiv raws li cov yam ntxwv ntawm cov khoom nruab nrab.

5. Cov yam ntxwv thiab kev siv ntawm Cov Hlau Stainless Steel Valves

5.1. Cov yam ntxwv ntawm kev tsim kho thiab kev faib tawm:

Ntxiv rau qhov muab faib ua hom ntab, hom ruaj khov, thiab hom ywj pheej raws li cov qauv, cov pob valve stainless hlau kuj tseem tuaj yeem faib ua ib daim (qhov me me, qauv me me), ob daim (qhov puv), thiab peb daim (cov qauv ua ke, yooj yim rhuav thiab txij nkawm, tiv taus siab). Lub cheeb tsam nominal dav, feem ntau yog los ntawm DN15 txog DN200.

5.2. Cov txiaj ntsig ntawm kev ua tau zoo:

• Kev Tiv Thaiv Kev Xeb: Cov li qub hlau tsis xeb muaj kev tiv thaiv kev xeb zoo heev, uas ua rau lawv tiv taus kev siv cov xov xwm corrosive thiab ua kom muaj kev nyab xeeb ntawm cov kav dej.
• Kev Tiv Thaiv Kub Siab: Cov li qub stainless hlau muaj kev tiv thaiv kub siab, uas ua rau lawv tiv taus kev siv hauv qhov chaw kub siab thiab ua kom muaj kev ruaj khov ntawm cov kav dej.
• Kev Tiv Thaiv Siab Zoo: Cov li qub stainless hlau muaj kev tiv thaiv siab zoo heev, uas ua rau lawv tiv taus kev siv hauv qhov chaw siab thiab ua kom muaj kev nyab xeeb ntawm cov kav dej.
• Kev Tiv Thaiv Xeb: Cov li qub hlau tsis xeb yooj yim, ua rau lawv lub neej ua haujlwm ntev dua thiab txo cov nqi txij nkawm.

Hauv kev xaus lus, vim lawv muaj kev ua tau zoo heev, cov hlau tsis xeb tau tuav txoj haujlwm tseem ceeb hauv kev lag luam valve. Cov hlau tsis xeb tau siv dav los txhim kho kev nyab xeeb thiab kev ruaj khov ntawm cov kav dej thiab txo cov nqi kho.

6. Cov Cheeb Tsam Siv Tau

Cov li qub hlau tsis xeb siv dav hauv tshuaj lom neeg, petrochemical, roj av, kev ua ntawv, kev khawb av, fais fab, roj liquefied, khoom noj khoom haus, tshuaj, kev muab dej thiab dej ntws, kev lag luam hauv nroog, cov khoom siv tshuab, khoom siv hluav taws xob, thiab kev tsim kho hauv nroog. Lawv yog cov khoom tseem ceeb hauv kev tswj hwm cov kua dej hauv cov kav dej, siv los hloov thaj chaw hla ntawm txoj kev hla thiab kev coj ntawm cov dej ntws, thiab muaj cov haujlwm xws li kev coj, kev kaw, kev tswj hwm, kev tswj hwm, kev kuaj xyuas cov li qub, kev hloov pauv, lossis kev txo qhov siab ntawm cov dej ntws.

7. Kev ceev faj

Thaum xaiv cov hlau tsis xeb, cov khoom siv thiab qauv tsim nyog yuav tsum tau xaiv raws li qhov chaw ua haujlwm tshwj xeeb thiab cov yam ntxwv ntawm cov xov xwm.

Cov kav dej hlau tsis xeb yuav tsum tau ua haujlwm nruj me ntsis raws li cov lus qhia tshwj xeeb thaum lub sijhawm teeb tsa thiab txij nkawm kom ntseeg tau tias lawv ua haujlwm ib txwm thiab lub neej kev pabcuam.

Tshawb xyuas thiab tswj cov li qub tsis tu ncua kom paub thiab daws cov teeb meem thiab kev ua haujlwm tsis zoo.

Cov Ntsiab Lus Kev Teeb Tsa thiab Kev Txij Nkawm: Thaum lub sijhawm teeb tsa, lub qia valve yuav tsum ntsug rau saum toj, thiab txoj hlua nqa yuav tsum txuas rau ntawm lub flange, tsis yog lub log tes lossis qia valve. Txhawm rau tiv thaiv xeb, tsis txhob khawb qhov chaw thaum lub sijhawm teeb tsa thiab siv. Tom qab vuam, yuav tsum tau ua kom pickling thiab passivation raws sijhawm kom rov qab tau cov zaj duab xis tiv thaiv. Hauv cov chaw muaj xeb, kev ntxuav tas li thiab ua kom lub valve qhuav yog qhov pom zoo.

8. Cov Lus Qhia Luv Luv

Cov li qub hlau tsis xeb tau txais kev nyiam heev vim lawv qhov kev ua tau zoo heev thiab ntau yam kev siv. Thaum xaiv thiab siv cov li qub hlau tsis xeb, cov yam xws li cov khoom siv, qauv, ib puag ncig ua haujlwm, thiab cov kev cai teeb tsa thiab kev saib xyuas yuav tsum tau xav txog tag nrho.