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
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 kwamankhwala osiyanasiyana komanso kukana kutentha kochepa.
Opanga amalabadira chitukuko cha zinthu zatsopano. Amalimbitsa kayendetsedwe ka kupanga. M'kati mwa mgwirizano timasangalala ndi ubwino wa utumiki wawo, wokhutira!