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
(Kufotokozera mwachidule)Fluoroelastomer ndi copolymer ya vinyl fluoride ndi hexafluoropropylene. Kutengera kapangidwe kake ka maselo ndi zinthu za fluorine, ma fluoroelastomers ali ndi kukana kwa mankhwala osiyanasiyana komanso kukana kutentha kochepa.
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
(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
(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