(Mafotokozedwe achidule)O-ring ndi mtundu wa mphete yosindikizira ya mphira 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
(Kufotokozera mwachidule)Kusamala pakuyika ndi kukonza ma valve otetezera: Njira zodzitetezera pakuyika ndi kukonza ma valve otetezera:(1) Vavu yotetezedwa yomwe yangoyikidwa kumene iyenera kutsagana ndi chiphaso choyenereza zinthu, ndipo m
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