M'dziko lovuta kwambiri la machitidwe owongolera madzimadzi, kugwira ntchito ndi mphamvu ya mavavu agulugufe kumadalira kwambiri kusankha kwa zida zopangira mipando. Nkhaniyi ikufotokoza za kusiyana pakati pa zinthu ziwiri zomwe zimagwiritsidwa ntchito mu izi
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
(Kufotokozera mwachidule)Kusamala pakuyika ndi kukonza ma valve otetezera: Njira zodzitetezera pakuyika ndi kukonza ma valve otetezedwa:(1) Vavu yotetezedwa yomwe yangoyikidwa kumene iyenera kutsagana ndi chiphaso chovomerezeka chazinthu, ndipo m
(Mafotokozedwe achidule)Mavavu obwera kuchokera kunja kwenikweni amatanthauza mavavu ochokera kumitundu yakunja, makamaka mitundu yaku Europe, America ndi Japan.Mavavu olowa kunja makamaka amatanthauza ma valve ochokera kumitundu yakunja, makamaka ku Europe, America ndi Japan. Mitundu ya mankhwala o