A 3-nzira yemhepo valve ndiyo mhando yeValve inoshandiswa kudzora kuyerera kwemhepo mune pneumatic system. Izvo zvinowanzove nezvirimwa zvitatu: Chiteshi cheIntlet, chidimbu chekunze, uye chiteshi chinorema. Iyo vharuvharu inogona kugadzirirwa munzvimbo dzakasiyana kutungamira kuyerera kwemhepo pakati pezvibereko izvi.
Heano tsananguro yakakosha yemabatiro anoita 3-nzira yemhepo imba yekuvharirwa:
Zvakajairika chinzvimbo. Iyi chinzvimbo inowanzo kutaurwa nezvenzvimbo yekuzorora kana yekuzorora.
Action. Izvi zvinodzorerutsa nzira dzekunze, kutungamira mhepo kubva kune iyo inlet port kune iyo yakambovharwa chiteshi, uchiri kuvhara nzira yekutanga kana kuendesa kune iyo yekuneta.
Alternate chinzvimbo. Ichi chinogona kunge chiri chiteshi chenzvimbo kana chiteshi chakaperuka, zvichienderana neyakagadzirwa uye zvido zvekushandisa.
Kutonga. Mune automated masisitimu, vharuvharu inogona kudzorwa ne sensors kana chirongwa chechirongwa chekunyora (plcs) kuzadzisa kutonga kwakanyanya pamusoro pekushanda kwesimba.
Zvakazara, iyo 3-nzira yemhepo yekuvharirwa nzira yakapusa asi inobudirira yekudzora kutungamira kwemhepo, kubvumira kuitwa uye kuita kwemasiriji emasiriji akadai saSilinders, vatambi, uye kutonga mavharuvhu.
