Muviri wevharuvhu ndiyo inonyanya kukosha, imwe yezvikamu zvakakosha zvevhavha, sarudza chinhu chakakodzera chemuviri wevhavha yakakosha..Isu ZFA Valve ine akawanda akasiyana modhi yevhavha muviri kusangana nezvaunoda.Kumuviri wevharuvhu, zvinoenderana nepakati, tinogona kusarudza Cast Iron, Ductile Iron, uye isu zvakare tine Stainless simbi valve body, yakadai SS304,SS316.Cast iron inogona kushandiswa kune midhiya isingaore.Uye SS303 uye SS316 isina simba acids uye alkaline media inogona kusarudzwa kubva kuSS304 uye SS316. Mutengo wesimbi isina tsvina yakakwirira iyo yakakanda simbi.