The manual butterfly valve hunde inotenderera pamwe chete nedhisiki remukati. Kana iyo stem direction inowirirana nekuyerera, valve yakazaruka; kana iri mhiri kwegwara rekuyerera, vharuvhu yakavharwa.
Wafer Type:
Kune mavharuvhu emhando yewafer akaiswa pakati peflanges, zvikamu zvemukati hazvionekwe, saka chinzvimbo chinowanzo tongwa nemubato kana chiratidzo chendiro pamusoro.