Mau oyamba a Gulugufe MavavuButterfly mavavu, zigawo zofunika m'kachitidwe ka madzimadzi, amadziwika chifukwa cha kayendetsedwe kabwino ka kayendetsedwe kake, kapangidwe kake, ndi mtengo-mwachangu. Ntchito yapadera ya valavu ya butterfly imaphatikizapo malo a disc
(Mafotokozedwe achidule)O-ring ndi mtundu wa mphete yosindikizira ya rabara yokhala ndi mtanda wa annular-gawo, ndipo mtanda wake-gawo lake ndi O-ring,O-ring ndi mtundu wa mphete yosindikizira ya rabara yokhala ndi mtanda wa annular-gawo, ndi mtanda-gawo lake
Ma valve a butterfly amapezeka paliponse m'mafakitale ambiri chifukwa chowongolera bwino komanso kuphweka. Chinthu chofunika kwambiri chomwe chimatsimikizira mphamvu ya ma valve awa ndi mpando wa valve. M'nkhaniyi, tiwona mpando wa butterfly valve