Kana bi-directional vharuvhu ichidikanwa kudzora kuyerera kwemberi nekudzivirira kuyerera, NSEN simbi yakagara bi-directional butterfly valve ndiyo sarudzo yako.Iyo yekuisa chisimbiso inotora yakazara simbi kune simbi chimiro, iyi nhevedzano inonyanya kushandiswa muSimba Plan, Central Heating, Oiri & Gasi indasitiri.Tikugashirei kuti tibatane nesu kuti titore catalogue kana kugadzirisa valve yepurojekiti yako.