Butterfly valve, inozivikanwawo sevhavhavhavha, ivharuvhu inodzora ine chimiro chakareruka, chinogona kushandiswa kushandura kudzora kwepakati mune yakaderera-kudzvanywa pombi. Butterfly valve ivharuvhu inovhara (valve disc or butterfly plate) idhisiki uye inotenderedza vharafu kuti ivhure nekuvharika.