Manual vacuum butterfly valve inoshandiswa kuisa kana kucheka kuyerera kwemhepo mupombi yevacuum, iyo valve plate clamping chimiro, vharafu ndiro yekuisa chisimbiso mhete, inotamba iri nani yekuisa chisimbiso.
GID yakatevedzana yemagetsi yakakwira vacuum butterfly vharafu inotora yemagetsi uye yemagetsi inodzora vharuvhu dhiraivha kuti ione kutonga kwevharuvhu kuvhura nekuvhara kana nzvimbo yepakati kuburikidza nekuchinja kwekunze kwemagetsi kana chiratidzo chekunze chekupinza, kuitira kuti ubatanidze kana kudzima kuyerera kwemhepo mukati. pombi yevacuum.Inoshanda svikiro rekushanda imhepo uye isina corrosive gasi.