Casted Trunnion Mounted Ball Valve

Chiyambi cha Zamalonda

Mavavu a mpira ndi valavu ya kotala, membala wa colsure ndi mpira womwe umatha kuzungulira 90 °.Pamene valavu ali pabwino pamene anabowolo limagwirizana njira yomweyo monga payipi, valavu ndi lotseguka, ndi kutembenuza mpira ndi 90 °, ndiye valavu kutsekedwa.Pali tsinde ndi trunnion kukonza mpira, ndipo mpira sungakhoze kusuntha ngati valavu akuyandama mpira, wotchedwa trunnion wokwera valavu mpira.Poyerekeza ndi ma valve ozungulira ambiri, ma valve a mpira omwe ali ndi nthawi yochepa yotsegula ndi kutseka, nthawi yayitali ya moyo, ndi malo ocheperapo kuti akhazikitse, ndipo malo otseguka kapena otsekedwa a valve amatha kudziwika mosavuta ndi malo a chogwirira.Valavu ya mpira imagwiritsidwa ntchito kwambiri mumafuta & gasi, petrochemical, mafakitale amagetsi, ndipo nthawi zambiri imagwiritsidwa ntchito poyimitsa, osati yoyenera kuwongolera mphamvu.