Chipata cha Slab Valve

Mavavu a NSV Slab Gate (Mavavu a zipata zamtundu wa Parallel, Kupyolera mu Conduit Gate Valves) amagwiritsidwa ntchito kwambiri mumafuta, mapaipi achilengedwe a gasi atalitali komanso malo opangira mpweya ngati ma valve otsegula / otseka.Mavavu omwe amagwiritsidwa ntchito popanga kapena kuponyera thupi, chipata chopangidwa ndi mabowo opatuka, mabowo osasokoneza;mbale imodzi ndi kapangidwe ka mbale ziwiri;