Kev siv roj teeb tsa lub valve tsis pub los yog muab kev sib tham ntawm dej lossis dej nkhaus nyob rau hauv kev lag luam ntau yam. Lub valve no yog qhov muaj feem xyuas los ntawm roj teeb, thiab yog li ntawd nws txuas ntxiv sib txawv ntawm lwm qhov chaw tshuab tsha tsoom uas qab twb siv.
Qhov tseem ceeb tshaj plaws uas ua rau lub valve siv roj teeb tsa zoo dua yog nws tus cwj pwm kom muaj kev kho kom raug rau kev sib tham ntawm dej. Vim li ntawd, lub valve tuaj yeem tsim kom pheej xwm dej lossis dej nkhaus dhau los rawv kev xav tau nyob rau hauv kev lag luam ntau. Tom qab ntawd, cov Electric Actuated Ball Valves muaj zog thiab nyob dav, yog li ntawd yog qhov leej hnub rau cov chaw lag luam uas xav txhim kho cheeb tsam.
Qhov kev ua haujlwm ntawm lub valve bolaub tiv thaiv los ntawm ib qho chav tiv thaiv sib npaug li ib qho chav ntxoos ntxoos nws tus khaub ncaws. Lub qhov rooj tiv thaiv, qhov chaw muaj duj tshuab muaj ib qhov rooj; ib qho chav muaj duj tshuab muaj duj tshuab muaj ib qhov rooj saum npaum txwv rau qhov rooj no yog tiv thaiv ib qhov rooj lossis qhov rooj tshuab—nyob ntawm qhov kev xaiv thiab kev kho. Thaum cov chav tiv thaiv rov qab, tej zaub mov tuaj yeem dhau mus thaum qhov rov qab pheej tau, lossis tiv thaiv tej zaub mov thaum rov qab tsis tau. Kev trol nyob rau lub hom no muaj qhov tseem ceeb tshaj plaws nyob rau hauv cov cheeb tsam uas yuav tsum muaj kev trol siab xeeb ntawm kev dhau los, tsis only with safety but also with efficiency of operations.
Lub valve bolaub pab ntau hauv kev pab kom zoo dua rau lub tsev hlis valve—lub valve bolaub tiv thaiv los ntawm ib qho chav tiv thaiv sib npaug. Qhov no pab rau cov valve no tiv thaiv ib qhov flow ntawm tej zaub mov lossis tej khoom siv hluav taws xob, tiv thaiv kev tshem tawm ntawm tus neeg thiab yog li pab txo sijhawm thiab pab ntau dua rau kev pab cuam tag lej. Yog li pab ntau dua rau kev lag luam thiab txo nqi.
Lub tshuab ntxuag valve rwb tsho siv hluav taws xob yog qhov tseem ceeb heev rau kev muaj peev txheej thiab nyob zoo. Muaj nyob hauv qhov chaw sib txawv, cov valve no tuaj yeem tso cai rau kev siv hluav taws xob ntau thiab kub siab, thiab tuaj yeem muab khoom siv rau tag nrho qhua yam chaw tsim khoom xws li neeg ua haujlwm neeg ua haujlwm, neeg ua haujlwm khem, neeg ua haujlwm dej. Cov no yog qhov kev xaiv zoo rau ntau yam kev siv hauv tsev tsim khoom uas tuaj yeem pab kom tau zoo nkauj nyob rau hauv kev nyab xeeb.
Thiab, nyob rau sab nraud, muaj feem ntau yam kev sib cuag uas tau hais tias zoo dua rau qhov chaw nyob rau hauv cov valve bola siv hlis. Cov valve no muaj kev kho kom ceev ntawm kev teeb tsa dej thiab tuaj yeem pab txav tsis pub kev siv khoom phem thiab kev puas tsuaj rau chaw nyob. Ntxiv mus, vim tias lawv muaj qhauv tshwj xeeb, lawv twm nyob ntev dua li lwm yam valves , uas tsis tas hloov dua, yog li ntawd pab txav tsis pub kev siv khoom phem.
