Valfo ena e itsamaisang ka bo eona ke tšepe e sa hloekang ea khatello e leka-lekaneng e fokotsang khatello e etselitsoeng liphaephe tsa mouoane tse nang le sekhahla sa phallo e tsitsitseng le e leka-lekaneng. E sebelisa lisebelisoa tsa boleng bo holimo tsa tšepe tse sa jeleng paate, tse nang le khanyetso e ntle ea kutu le mocheso o phahameng oa mocheso, 'me li ka boloka ts'ebetso e tsitsitseng libakeng tse fapaneng tse thata tsa ho sebetsa.
Mosebetsi o ka sehloohong oa valve ena e laolang ke ho finyella khatello e tsitsitseng le ho leka-lekana liphaepheng tsa mouoane ka ho fetola lebelo la phallo ka tsela e iketsang. E ka khona ho fetola phallo ea valve ka bo eona ho latela liphetoho tsa khatello ea mouoane, ho etsa bonnete ba hore sekhahla sa phallo ea mouoane le khatello li lula li le ka har'a sebaka se behiloeng. Sena se ke ke sa ntlafatsa ts'ebetso ea ts'ebeliso ea mouoane feela, empa hape se qoba litaba tsa polokeho tse bakoang ke khatello e phahameng kapa e tlase.
Ho phaella moo, valve ena e laolang e boetse e na le mosebetsi oa ho fokotsa khatello e lekanang. E ka fokotsa khatello ea mouoane oa khatello e phahameng ho ea ho khatello e tlaase e loketseng ho finyella litlhoko tse fapaneng tsa mosebetsi. Ho feta moo, karo-karolelano ea eona ea ho fokotsa khatello e ka fetoloa ha ho hlokahala, e etsa hore e be bonolo haholo ho e sebelisa.
Ka kakaretso, valve ena e itšebetsang e sebetsa hantle haholo ebile e bonolo ho sebelisa lisebelisoa tsa lipeipi tsa mouoane, tse ka bapalang karolo ea bohlokoa tlhahisong ea indasteri le bophelo ba lelapa.
