Nakuziwa eenhlelweni zamapayipi wamanzi,ivalvu yokuhlolas ziingcenye eziqakathekileko. Zenzelwe ukulawula indlela yokugeleza kwe-fluid ephayiphini begodu zivimbele ukugeleza emuva nofana ukubuyiselwa emuva. I-atikili le izokwethula iinkambisolawulo ezisisekelo, imihlobo, nokusetjenziswa kwamavalvu wokuhlola.
Umthetho oyisisekelo we-ivalvu yokuhlolakusetjenziswa ukunyakaza kwediski yevalvu ukulawula indlela yokugeleza kwe-fluid. I-valve disc ivamise ukuklanyelwa bona ivuleke ngendlela ejayelekileko yokugeleza kwe-fluid bese ivala msinyana lokha nakugeleza emuva. Idizayini le ivimbela uketshezi bona ingagelezeli emuva begodu ivikela ubuqotho behlelo lamapayipi.
Amavalvu wokuhlola aza ngemihlobo ehlukileko, lawo avame ukufaka hlangana ibholoamavalvu wokuhlola, amavalvu wokuhlola ajikijela, begodu uphakamise amavalvu wokuhlola. Amavalvu wokuhlola ibhola asebenzisa idiski yevalvu eyindilinga evala ngomehluko womfutho we-fluid. Amavalvu wokuhlola ajikajikako anediski yevalvu ejikelezako engavula nofana ivale ngokuzenzakalelako ukulawula indlela yokugeleza. Amavalvu wokuhlola ukuphakamisa asebenzisa idiski yevalvu ethuthekako efakwe ngaphakathi kwepayipi ukufikelela ukulawula indlela yokugeleza.
Amavalvu wokuhlola aneensetjenziswa ezinengi eendaweni ezinengi. Eenhlelweni zokuphakelwa kwamanzi,amavalvu wokuhlolazisetjenziselwa ukukhandela ukugeleza kwamanzi emuva nokugcina ukunzinza kwengcindezi yamanzi. Ebubulweni lamakhemikhali, amavalvu wokuhlola avimbela ukubuyela emuva kwamakhemikhali ayingozi emaphayiphini, ngaleyindlela kuvikela imitjhini nokuphepha kwabasebenzi. Ebubulweni lamafutha negesi, amavalvu wokuhlola asetjenziselwa ukukhandela ukubuyela emuva kwamafutha negesi nokugcina ukusebenza okuzinzileko kwamahlelo wamapayipi. Phezu kwalokho, amavalvu wokuhlola asetjenziswa khulu ekuhlanzeni indle, amahlelo wokucima umlilo, amahlelo wokupholisa umoya, neminye imikhakha.
Ukuqinisekisa ukusebenza kuhle kwamavalvu wokuhlola, ukutlhogonyelwa nokuhlola njalo kuyatlhogeka. Amadiski wevalvu kanye nama-seal kufanele ahlanzwe begodu atjhugululwe ngeenkhathi ezithileko ukuqinisekisa ukusebenza kuhle. Ukudlula lapho, ukukhethwa nokufakwa kwamavalvu wokuhlola kufuze kuqalwe ngokutjheja ngokuya ngeemfuneko ezithileko zokusebenzisa.
Ekuphetheni, amavalvu wokuhlola adlala indima eqakathekileko eenhlelweni zamapayipi ngokulawula indlela yokugeleza kwamanzi nokukhandela ukugeleza emuva. Ngokukhetha umhlobo ofaneleko wevalvu yokuhlola, ukuqinisekisa ukufakwa okufaneleko, nokwenza ukulungiswa njalo, ukuphepha nokusebenza okuzinzileko kwehlelo lamapayipi kungaqinisekiswa.
Isikhathi sokuposa: 26 kuMrhayili 2023
