Lub luag haujlwm ntawm lub tshev valve tsuas yog tso cai rau nruab nrab kom ntws mus rau hauv ib qho kev taw qhia thiab tiv thaiv kev ntws tawm ntawm qhov sib txawv. Feem ntau siv kos li qub tau muab faib ua ob hom: nqa thiab viav vias. Yuav ua li cas xaiv lub check valve kom raug?
Nyob rau hauv high-pressure thiab me me txoj kab uas hla cov pipelines, nqa check li qub feem ntau yog siv.
Rau cov kav xa dej uas xav tau lub siab me me, nws tsis pom zoo kom xaiv lub tshuab nqa nqa vim tias nws cov dej ntws siab. Hloov chaw, npauj npaim kos li qub lossis viav vias kos li qub yuav tsum tau xaiv.
Nyob rau hauv cov kav dej uas muaj kev hloov pauv siab thiab cov kev cai tshwj xeeb, txhawm rau tiv thaiv kev puas tsuaj rau lub valve disc vim dej rauj, yuav tsum xaiv lub kaw lus ntsiag to lossis lub viav vias kos valve nrog cov khoom tsis sib xws.
Thaum txoj kab uas hla yog loj, siv ib tug multi disc viav vias kos valve.
Nyob rau ntawm qhov hluav taws xob ntawm lub boiler pub twj tso kua mis, ib tug tshwj xeeb cua tso tawm valve yuav tsum tau xaiv los tiv thaiv nruab nrab backflow thiab txhim kho lub twj tso kua mis efficiency. Nws yog siv rau hauv qab valve ntawm cov dej twj tso kua mis suction yeeb nkab.
Ordinary viav vias kos li qub lossis nqa cov tshev valve yuav tsum sim kom tsis txhob muaj txoj kab uas hla loj dua. Txhawm rau kom qhib tag nrho lossis qhib lub tshev valve mus rau qhov tsim nyog ntawm qhov tsawg kawg nkaus tus nqi, qee zaum, txoj kab uas hla ntawm lub kaw valve yuav tsum me dua li cov kav dej sib txuas.
Txhawm rau ua kom tau raws li qhov xav tau ntawm ntau daim ntawv thov, kos li qub kuj muaj ntau yam, xws li lub voj voos kheej kheej, cov xov nqa nqa nres, viav vias kos li qub tsis muaj kev cuam tshuam, swash phaj kos li qub, conical diaphragm kos li qub, thiab lwm yam.
Nyob ntawm qhov nruab nrab, lub valve disc tuaj yeem ua los ntawm cov hlau tag nrho, lossis nws tuaj yeem kos nrog tawv, roj hmab, lossis lwm yam khoom siv hlau xws li cov ntaub npog hluavtaws lossis thermal txau.
