Mu dziko la kayendetsedwe ka madzi, kusankha ma valavu ndi zosefera ndikofunikira kwambiri kuti makina azigwira ntchito bwino komanso kudalirika. Pakati pa zosankha zosiyanasiyana zomwe zilipo, ma double plate check valves wafer type ndi swing check valve flanged type amadziwika ndi mawonekedwe awo apadera. Zikagwiritsidwa ntchito limodzi ndi Y-strainer, zigawozi zimapanga makina amphamvu owongolera kuyenda kwa madzi ndikuletsa kubwerera kwa madzi.
**vavu yowunikira mbale ziwiri**
Ma valve awiri oyezera mbaleZapangidwira ntchito zomwe malo ake ndi ochepa. Kapangidwe kake kakang'ono kamalola kuti zikhale zosavuta kuyika pakati pa ma flange, zomwe zimapangitsa kuti zikhale zoyenera kugwiritsidwa ntchito m'malo opapatiza. Valavu imagwira ntchito ndi mbale ziwiri zomwe zimatseguka ndi kutseka malinga ndi komwe madzi akuyenda, zomwe zimathandiza kuti madzi abwerere m'mbuyo. Kapangidwe kake kopepuka komanso kutsika kwa mphamvu zochepa zimapangitsa kuti ikhale chisankho chodziwika bwino m'mafakitale osiyanasiyana, kuphatikizapo kukonza madzi ndi machitidwe a HVAC.
**Flange mtundu kugwedezeka cheke vavu**
Poyerekeza,ma valve owunikira ozungulirandi oyenera kwambiri mapaipi akuluakulu. Valavu ili ndi diski yolumikizidwa yomwe imatsegula kuti iyende patsogolo ndikutseka kuti iyende mobwerera. Kapangidwe kake kolimba kamatha kuthana ndi kupsinjika kwakukulu komanso kuchuluka kwakukulu, zomwe zimapangitsa kuti ikhale yoyenera kugwiritsidwa ntchito m'mafakitale. Malumikizidwe olumikizana amaonetsetsa kuti ikugwirizana bwino, kuchepetsa chiopsezo cha kutuluka kwa madzi ndikuwonjezera kulimba kwa makina.
Zipangizo zoyezera YZimathandizira ma valve oyezera awa ndipo ndi gawo lofunikira poteteza mapaipi ku zinyalala ndi zinthu zodetsa.Chotsukira cha Yimasefa tinthu tosafunikira, kuonetsetsa kuti madzi oyenda m'dongosololi amakhalabe oyera. Izi ndizofunikira kwambiri m'machitidwe omwe kukhulupirika kwa madzi ndikofunikira, monga kukonza mankhwala kapena makina operekera madzi.
**Pomaliza**
Kuyika ma valve oyezera a TWS ndi ma Y-strainers mu dongosolo lanu lowongolera madzi kumathandizira kuti magwiridwe antchito ndi kudalirika. Ma valve oyezera mbale ziwiri ndi ma valve oyezera swing pamodzi ndiZipangizo zoyezera Ykupereka njira yothetsera mavuto onse okhudza kayendetsedwe ka madzi ndi kusunga umphumphu wa makina. Mwa kusankha zigawo zoyenera, mafakitale amatha kuonetsetsa kuti makina awo oyendetsera madzi akugwira ntchito bwino komanso nthawi yayitali.
Nthawi yotumizira: Sep-28-2024
