Ugesii-valvesiqukethe izingxenye ezimbili, ingxenye actuator kagesi kanye ingxenyei-valve.Ii-valveamandla okushintsha avela ku-actuator kagesi.Ngoba ugesii-valvekulula kakhulu ukuyisebenzisa, ingasetshenziswa kanye nokunikezwa kwamandla, uma kuqhathaniswa nenani lokulawula okuzenzakalelayoama-valveuma kuqhathaniswa nezinye izindlela zokushayela.Isimiso sokusebenza sikagesii-valveukuthi i-motor ukukhiqiza ukunyakaza okuqondile kanye nokunyakaza kokujikeleza kwe-angular ngaphansi kwesenzo sesignali kagesi.

Ugesii-valveikakhulukazi inezinhlobo ezimbili zokushintshwa kanye nohlobo lokulawula ngokusho kwe-actuator ehlomele.Ugesi oshintshiwei-valveisetshenziselwa ukuvula nokuvala ipayipi lesimo sokusebenza, futhi umsebenzi oyinhloko ukusika noma ukuvula ipayipi lepayipi.Ugesi olawulayoi-valveingamukela isignali ohlelweni lokulawula, futhi ilungise ukuvulwa kwei-valveukufeza inhloso yokulawula ukugeleza nokucindezela komzila wamapayipi.