(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 Bray Teflon Butterfly ValvesM'dziko la mafakitale, kulondola komanso kuchita bwino ndikofunikira. Chimodzi mwazinthu zofunika kwambiri zomwe zimathandizira izi ndi valavu ya gulugufe, makamaka, mphete yosindikizira ya butterfly ya bray teflon. Zodziwika f
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
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