(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
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)Makina ambiri adzakhala ndi zisindikizo za rabara za fluorine, ndiye ndi zinthu ziti zomwe zimakhudza kugwiritsa ntchito zisindikizo za rabara za fluorine?Makina ambiri amakhala ndi zisindikizo za rabara za fluorine, ndiye ndi zinthu ziti zomwe zimakhudza kugwiritsa ntchito mphira wa fluorine seal.