Vacuum-negative valve chitetezo
A72W-10P, A72W-10R
A72W imagwira ntchito pamakina oponderezedwa ndi kutentha ≤200 ℃. Pamene kupanikizika koipa mu chidebe kumadutsa mtengo wololedwa, valavu idzatsegula yokha ndikutenga mpweya. Pamene kupanikizika koipa mu chidebe kumafika pamtengo wololedwa, valavu idzatseka yokha kuti iteteze zipangizo ndi dongosolo. Iyenera kukhazikitsidwa m'makina abwinobwino omwe siwoipa. Pamene valavu yotulutsa chidebe ndi dongosolo silinatsegulidwe, lomwe limatulutsa kupanikizika koipa, valve iyi idzatsegulidwa yokha.