Flange gate li qub yog ib hom kev lag luam valve feem ntau siv los tswj cov dej ntws (kua lossis roj) hauv cov kav dej. Lawv paub txog lawv txoj kev tsim kho thiab tau siv dav hauv ntau yam lag luam. Nov yog cov yam ntxwv tseem ceeb ntawm flange rooj vag li qub:
Rooj vag Mechanism: Flange gate valves muaj lub rooj vag zoo li lub kaw lus uas tuaj yeem tsa lossis txo qis hauv lub cev valve kom tswj cov dej ntws. Thaum lub rooj vag tau tsa, nws tso cai rau cov dej ntws los ntawm lub valve, thiab thaum txo qis, nws thaiv qhov ntws.
Bi-Directional Flow: Lub rooj vag li qub feem ntau yog tsim los tso cai rau kev khiav hauv ob qho tib si, ua rau lawv tsim nyog rau cov ntawv thov uas thim rov qab cov kev taw qhia ntws yog qhov tsim nyog.
Kev qhib puv puv: Thaum qhib tag nrho, lub rooj vag li qub muab txoj hauv kev tsis muaj kev cuam tshuam, puv txoj kab uas hla, txo qis kev poob siab thoob plaws lub valve. Cov yam ntxwv no yog qhov tseem ceeb rau cov ntawv thov uas yuav tsum muaj kev txwv tsawg kawg nkaus.
On/Off Control: Flange gate valves feem ntau yog siv rau kev sib cais thiab qhib / tawm tswj cov kua dej. Lawv tsis haum rau throttling los yog regulating ntws vim hais tias lawv yog feem ntau ua nyob rau hauv ob qho tag nrho qhib los yog tag nrho kaw txoj hauj lwm.
Nce Ncej: Cov li qub no feem ntau muaj cov qauv tsim, qhov twg lub qia txav nce thiab nqis thaum lub rooj vag ua haujlwm. Qhov no tso cai rau pom qhov pom ntawm lub valve txoj haujlwm (qhib lossis kaw) thiab tuaj yeem pab tau rau kev saib xyuas tej thaj chaw deb.
Flanged Kawg: Flange gate valves hu ua li ntawd vim lawv muaj flanged kawg. Cov flanges no tso cai rau kev txhim kho yooj yim thiab tshem tawm lub valve los ntawm cov kav dej siv bolts. Cov flanges tseem muab kev ruaj ntseg txuas rau cov kav dej.
Bolted Bonnet: Lub pob valve (ib feem uas npog sab saum toj ntawm lub valve lub cev) feem ntau yog bolted rau lub valve lub cev. Qhov kev tsim kho no tso cai rau kev saib xyuas yooj yim thiab kho los ntawm disassembling lub kaus mom ntawm lub cev.
Hlau-rau-hlau sealing: Cov rooj vag li qub feem ntau muaj cov rooj zaum hlau-rau-hlau ntawm lub rooj vag thiab lub rooj zaum valve. Qhov no muab lub peev xwm sealing zoo heev, txawm tias nyob rau hauv high-pressure thiab high-temperature daim ntaub ntawv.
Kev tsim kho ruaj khov: Flange gate valves paub txog lawv cov kav ntev thiab muaj peev xwm tiv taus kev ua haujlwm hnyav. Lawv feem ntau siv hauv kev lag luam xws li roj thiab roj, petrochemical, tsim hluav taws xob, thiab kev kho dej.
Ntau yam khoom siv: Cov li qub no muaj nyob rau hauv ntau yam ntaub ntawv, xws li cov pa roj carbon steel, stainless hlau, cam khwb cia hlau, thiab lwm yam alloys, kom haum rau qhov chaw ua haujlwm sib txawv thiab hom kua dej.
Qhov Loj: Flange gate valves muaj nyob rau hauv ntau qhov ntau thiab tsawg, los ntawm cov li qub me me siv hauv cov kav dej hauv tsev mus rau cov khoom siv loj loj siv hauv cov kav dej thiab cov chaw ua haujlwm.
Manual los yog Actuated Operation: Lawv tuaj yeem ua haujlwm manually siv lub log tsheb lossis nrog kev pab ntawm hluav taws xob, pneumatic, lossis hydraulic actuators rau cov chaw taws teeb tswj thiab kev tswj hwm.
Nws yog ib qho tseem ceeb uas yuav tsum nco ntsoov tias thaum flange gate valves muaj ntau yam zoo, lawv kuj muaj kev txwv, xws li kev ua haujlwm qeeb dua piv rau lwm hom valve thiab lub peev xwm rau lub rooj zaum thiab rooj vag hnav thaum lub sijhawm. Yog li ntawd, lawv cov kev xaiv yuav tsum yog raws li cov kev cai tshwj xeeb ntawm daim ntawv thov.
