Lub pob valve yog ib hom valve uas tswj cov dej ntws los yog tswj nws tus nqi ntws los ntawm kev tig lub pob. Nws txoj hauv kev ua haujlwm yog ua raws li qhov kev sib hloov ntawm lub pob: thaum lub pob ntawm lub pob yog ua raws li cov kav dej axis, cov kua dej tuaj yeem ntws dawb (tag nrho qhib); thaum lub pob rotates 90 degrees thiaj li hais tias lub orifice yog perpendicular mus rau lub pipeline axis, cov kua yog tag nrho blocked (kaw). Cov khoom tseem ceeb ntawm lub pob valve muaj xws li lub pob, lub rooj zaum, qia, thiab cov ntsaws ruaj ruaj. Lub pob feem ntau yog ua los ntawm stainless hlau, carbon steel, los yog ceramic, nrog precision -machined nto los xyuas kom meej lub kaw ntom nti. Cov khoom siv lub rooj zaum feem ntau yog polytetrafluoroethylene (PTFE) lossis lwm yam corrosion-cov khoom siv polymers, haum rau ntau yam xov xwm. Txoj kev ua kom muaj xws li phau ntawv (ntawm tes lossis gearbox), hluav taws xob, pneumatic, lossis hydraulic, xaiv tau raws li kev ua haujlwm. Qhov zoo ntawm cov pob li qub yog qhov tsis tshua muaj dej tsis kam, qhib thiab kaw nrawm (yuav tsum tsuas yog 90-degree kev sib hloov), kev ua tau zoo sealing, thiab lub neej ua haujlwm ntev. Lawv tsim nyog rau siab -siab, siab -kub, lossis corrosive media ib puag ncig. Cov ntawv thov muaj xws li petrochemical, hluav taws xob, thiab kev kho dej hauv kev lag luam, thiab lawv tshwj xeeb tshaj yog haum rau cov ntawv thov uas yuav tsum tau kaw nrawm lossis ua haujlwm tsis tu ncua. Thaum lub sij hawm tu, nws yog ib qho tseem ceeb kom tsis tu ncua xyuas qhov hnav ntawm cov ntsaws ruaj ruaj kom tiv thaiv impurities los ntawm clogging lub kheej kheej.
Txoj Cai Ua Haujlwm Ntawm Lub Pob Valve
Nov 08, 2025
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