peb case
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Kev lag luam roj hmab lub rooj zaum tau pom kev nce qib hauv kev tsim kho tshiab thiab kev nce qib hauv lub sijhawm tsis ntev los no. Nrog rau kev xav tau ntau ntxiv rau cov khoom siv hluav taws xob thiab ib puag ncig tus phooj ywg, cov tuam txhab lag luam tau ua qhov tseem ceeb rau kev txhim kho cov roj hmab valve rooj zaum uas ua tau raws li cov kev xav tau ntawm kev ua lag luam.
Ib qho tseem ceeb ntawm kev nce qib hauv kev lag luam yog kev siv cov thev naus laus zis ua tiav, xws li kev txhaj tshuaj molding, compression molding, thiab extrusion. Cov thev naus laus zis no tau txhim kho qhov tseeb thiab zoo ntawm cov rooj zaum roj hmab thiab ua kom lawv cov kav ntev thiab tsis kam hnav thiab tsim kua muag.
Lwm qhov kev txhim kho tseem ceeb hauv kev lag luam yog kev siv cov khoom siv roj hmab uas muaj peev xwm tiv taus qhov kub thiab txias thiab xav tau kev lag luam. Cov ntaub ntawv no tiv taus cov tshuaj, abrasion, thiab corrosion, ua rau lawv zoo tagnrho rau siv nyob rau hauv ib puag ncig hnyav.
Tsis tas li ntawd, cov tuam txhab lag luam tab tom nqis peev hauv kev tshawb fawb thiab kev tsim kho los tsim cov roj hmab valve lub rooj zaum tshiab uas muaj txiaj ntsig zoo dua, txhim khu kev qha, thiab muaj txiaj ntsig zoo. Piv txwv li, qee qhov kev tsim qauv tshiab muaj cov khoom siv tsawg dua, uas txo qhov kev pheej hmoo ntawm kev xau thiab txhim kho kev ua haujlwm.
Kev loj hlob ntawm kev lag luam roj hmab valve lub rooj zaum tseem tau tsav los ntawm kev xav tau ntau ntxiv rau cov khoom siv hluav taws xob txuas ntxiv, xws li cua thiab hnub ci zog, uas yuav tsum tau ua haujlwm zoo li qub kom ntseeg tau tias kev ua haujlwm zoo.
Hauv kev xaus, kev lag luam roj hmab rooj zaum muaj kev hloov pauv zoo, uas tau tsav los ntawm kev tsim kho tshiab thiab kev nce qib hauv kev ua cov thev naus laus zis, cov khoom siv, thiab kev tsim. Cov kev nce qib no tau ua rau muaj txiaj ntsig zoo dua, ruaj khov dua, thiab muaj txiaj ntsig zoo ntawm lub rooj zaum valve uas ua raws li cov kev xav tau ntawm kev ua lag luam. Lub neej yav tom ntej zoo li ci ntsa iab, thiab peb tuaj yeem cia siab tias yuav pom kev nthuav dav ntxiv vim tias kev lag luam txuas ntxiv mus.
