Butterfly valve, iyo inowanzozivikanwa sevhavhavhavha, imhando yevharuvhu yekudzora iyo inoshandiswa zvakanyanya mumaindasitiri akasiyana-siyana pakudzora kuyerera kwemvura. Iyo ine akati wandei akakosha zvikamu, zvinosanganisira muviri wevharuvhu, tsinde yevharuvhu, butterfly plate, uye mhete yekuisa chisimbiso. Izvi zvikamu zvinoshanda pamwe chete kuti zvive nechokwadi chekushanda kwakanaka uye kwakarurama kwevhavha.