Cov khoom siv dav dav rau cov pob valve
Floating pob li qubyog ib hom valve dav siv hauv kev tswj cov kua dej. Lawv lub luag haujlwm tseem ceeb yog tswj kev qhib thiab kaw cov kua hauv cov kav dej. Vim lawv cov khoom zoo sealing, zoo heev cavitation tsis kam, thiab tsis tshua muaj siab poob, lawv tau dav siv nyob rau hauv petrochemical kev lag luam. Vim lawv cov qauv tsim tshwj xeeb, lawv tuaj yeem ua haujlwm ruaj khov nyob rau hauv kev kub ntxhov thiab kub kub, uas ua rau lawv siv dav hauv ntau lub lag luam xws li roj av, tshuaj lom neeg kev lag luam, thiab hluav taws xob hluav taws xob. Vim yog cov qauv sab hauv ntawm lub pob valve thiab qhov kub thiab txias siab, lawv lub zog muaj zog yog tsawg thiab lawv lub neej kev pabcuam luv luv. Yog li ntawd, kev xaiv cov khoom siv yuav tsum tau ua kom ntseeg tau lawv txoj kev ntseeg siab thiab lub neej. Kev xaiv cov khoom tsim nyog yog qhov tseem ceeb rau kev ua haujlwm ntawm lub pob valve, vim nws ncaj qha txiav txim siab qhov ntev, kev sib khi, thiab kev siv nyiaj ntawm lub valve.
Dab tsi yog cov khoom siv hlau feem ntau siv hauv cov pob valve?
1. Ua los ntawm stainless hlau
- Cov yam ntxwv thiab qhov zoo: Stainless hlau tsis tsuas yog muaj kev tiv thaiv corrosion zoo thiab lub zog, tab sis kuj tuaj yeem hloov mus rau ntau qhov chaw sib txawv ntawm cov xov xwm. Vim nws zoo heev corrosion kuj thiab siab mechanical zog, nws yog dav siv nyob rau hauv ntau yam khoom siv nyob rau hauv petrochemical, hluav taws xob fais fab, metallurgy, zaub mov thiab lwm yam lag luam. Cov tshuaj muaj cov tshuaj antioxidant zoo heev thiab tuaj yeem tswj kev ruaj ntseg ntawm nws cov kev ua tau zoo nyob rau hauv ib puag ncig hnyav.
- Cov qib stainless hlau feem ntau yog 304 thiab 316. Stainless hlau yog dav siv nyob rau hauv cov roj av, tshuaj, khoom noj khoom haus thiab kev kho mob industries nyob rau hauv industrial teb. 304 stainless hlau yog haum rau siv raws li ib tug pa nruab nrab, thaum 316 stainless hlau muaj zoo corrosion kuj thiab yuav hloov mus rau ntau nruj ib puag ncig tej yam kev mob vim qhov sib ntxiv ntawm molybdenum.
2. Hais txog carbon steel
- Nyob rau hauv cov nqe lus ntawm kev siv ib puag ncig thiab kev ua tau zoo: Carbon steel feem ntau haum rau qhov qis thiab qhov kub thiab txias, thiab muaj cov neeg kho tshuab muaj zog thiab toughness. Nws tuaj yeem siv los ua cov khoom siv hauv kev lag luam. Qhov no yog tsim rau kev tswj cov pa dej thiab cov pa ntws.
- Hais txog qhov tseem ceeb ntawm kev kho corrosion: Muab cov pa roj carbon steel muaj corrosive heev rau dej thiab huab cua, kev tiv thaiv corrosion xws li pleev xim lossis kub-dip galvanizing feem ntau yuav tsum tau ua kom nws lub neej ua haujlwm ntev.
3. Cov ntaub ntawv ua los ntawm cov alloys
- Hauv qee qhov chaw tshwj xeeb, cov ntaub ntawv tshwj xeeb alloy xws li npib tsib xee-raws li alloys tuaj yeem pom zoo corrosion kuj thiab kub tsis kam. Cov batch ntawm alloys no tau ua tau zoo heev nyob rau hauv huab ib puag ncig thiab yog heev haum rau tej daim ntawv thov scenarios.
- Hauv kev siv cov tswv yim, cov nickel-based alloys tau siv dav hauv kev lag luam marine engineering thiab tshuaj lom neeg vim lawv cov kev ua tau zoo thiab cov ntaub ntawv zoo. Lawv tuaj yeem tiv taus qhov kub thiab txias ib puag ncig zoo, ua kom muaj kev nyab xeeb thiab kev ntseeg siab ntawm cov khoom siv ua haujlwm.
Dab tsi ntawm cov ntaub ntawv sealing feem ntau yog xaiv rau cov pob valve?
1. Cov khoom siv roj hmab
- Hais txog hom roj hmab: NBR (nitrile roj hmab) thiab EPDM (ethylene propylene roj hmab) yog cov khoom siv roj hmab uas ua lub luag haujlwm tseem ceeb hauv kev siv tshuab ua kua.
- Hais txog kev sib khi ua haujlwm thiab siv tau qhov kub thiab txias: NBR tshwj xeeb tshaj yog haum rau ntau yam kev tshaj tawm xws li roj thiab dej, thiab nws qhov kub thiab txias yog feem ntau ntawm -30 degree thiab +100 degree, thaum EPDM muaj kev ua siab ntev zoo dua. nyob rau hauv high kub thiab dej vapor ib puag ncig.
2. Polytetrafluoroethylene, tseem hu ua PTFE
- Cov yam ntxwv thiab kev siv: PTFE raug suav hais tias yog cov khoom sib khi zoo heev. Nws muaj kev tiv thaiv zoo corrosion thiab kub tsis kam, thiab tuaj yeem ua tau raws li qhov yuav tsum tau ua ntawm ntau yam tshuaj lom neeg.
- Daim ntawv thov scenario tsom xam: PTFE sealing rings yog tshwj xeeb tshaj yog haum rau ntau industries xws li chemical engineering thiab kev tsim tshuaj, thiab muaj peev xwm ua tau raws li cov qauv siab ntawm tshuaj stability thiab sealing kev ua tau zoo.
3. Qhov no yog cov khoom siv sib xyaw
- Hais txog qhov zoo ntawm cov ntaub ntawv sib txuas: Cov khoom siv sib xyaw no feem ntau sib xyaw ua ke ntawm ntau yam khoom siv, yog li qhia tau zoo dua kev ruaj ntseg thiab corrosion kuj.
- Thaum xaiv cov ntaub ntawv sib xyaw, peb yuav tsum txiav txim siab tag nrho lawv qhov chaw ua haujlwm, cov yam ntxwv nruab nrab thiab cov txiaj ntsig kev lag luam kom ntseeg tau tias lawv cov txiaj ntsig zoo hauv qee qhov kev thov tshwj xeeb.
Nyob rau hauv qhov kub thiab txias siab, cov khoom siv twg zoo dua rau cov pob valve?
1. Cov khoom siv alloy rau qhov kub thiab txias
Hais txog cov yam ntxwv thiab kev siv cov xwm txheej: Cov khoom siv kub kub tseem tuaj yeem tswj tau lub zog zoo thiab corrosion kuj nyob rau hauv qhov kub thiab txias, uas ua rau lawv tshwj xeeb tshaj yog haum rau cov chaw kub xws li thermal fais fab nroj tsuag thiab roj refineries.
2. Qhov no yog cov khoom siv tshwj xeeb corrosion-resistant
Thaum soj ntsuam nrog cov xov xwm corrosive, xaiv cov hlau alloy thiab cov ntaub ntawv yas lined valve tuaj yeem muab kev tiv thaiv zoo dua kom tsis txhob muaj kev puas tsuaj rau cov khoom siv.
3.Yuav xaiv cov khoom sealing zoo li cas
Nyob rau hauv qhov kub thiab txias siab, cov kev cai sealing yog: cov khoom siv sealing yuav tsum muaj cov yam ntxwv ntawm qhov kub thiab txias tsis kam, siab tsis kam thiab tshuaj corrosion kuj, thiaj li ua kom ntseeg tau qhov kev ntseeg siab ntawm Cast Steel Floating Ball Valve.
Dab tsi yog cov ntaub ntawv hauv ob sab phlu uas yuav tsum tau rau cov pob valve thiab yuav xaiv li cas?
1. Hais txog hom ntaub ntawv hauv ob sab phlu
Xws li polyvinyl chloride (PVC) thiab polyethylene (PE), cov khoom no tshwj xeeb tshaj yog tsim nyob rau hauv qis siab thiab kub kub, thiab lawv qhia tau zoo heev corrosion kuj thiab nyiaj txiag kev pab cuam.
2. Ntau yam cuam tshuam rau kev xaiv cov ntaub ntawv hauv ob sab phlu
Thaum xaiv cov ntaub ntawv hauv ob sab phlu, peb yuav tsum ua tib zoo xav txog ntau yam xws li nws qhov chaw siv, nruab nrab cov yam ntxwv thiab pob nyiaj siv los xyuas kom meej tias cov khoom muaj kev tiv thaiv corrosion zoo, kev hloov pauv kub thiab kev lag luam.
3. Cov khoom siv hauv ob sab phlu cuam tshuam li cas rau kev ua haujlwm ntawm lub valve
Xaiv cov khoom siv hauv ob sab phlu tsim nyog yuav muaj kev cuam tshuam ncaj qha rau kev sib khi thiab kav ntev ntawm Cast Steel Floating Ball Valve. Xaiv cov khoom siv hauv ob sab phlu zoo tuaj yeem txuas ntxiv lub neej kev pabcuam ntawm lub valve.
Yuav ua li cas ua tau zoo thiab kav ntev ntawm lub pob valve cuam tshuam los ntawm cov khoom sib txawv?
1. Hais txog lub zog thiab muaj peev xwm tiv taus siab ntawm cov khoom siv
Hais txog kev ua tau zoo ntawm lub valve: Siv cov ntaub ntawv muaj zog tuaj yeem tiv taus siab dua, yog li ua kom muaj kev ruaj ntseg thiab kev nyab xeeb ntawm lub valve thaum nws nyob rau hauv siab load.
2. corrosion kuj thiab kev pab lub neej
Cov ntaub ntawv sib txawv qhia cov yam ntxwv sib txawv hauv cov xov xwm sib txawv: kev xaiv cov ntaub ntawv tsim nyog corrosion-resistant tuaj yeem txuas lub neej kev pab cuam ntawm lub valve thiab txo qhov zaus ntawm nws cov txij nkawm.
3. Hais txog cov txiaj ntsig kev lag luam thiab cov nqi tu
Thaum siv mus sij hawm ntev, kev sib piv ntawm cov txiaj ntsig kev lag luam qhia tau hais tias: txawm hais tias qhov kev nqis peev thawj zaug tuaj yeem siab heev, kev siv cov khoom siv mus sij hawm ntev tuaj yeem txo tus nqi ntawm kev saib xyuas thiab hloov pauv, yog li txhim kho kev lag luam rov qab.
