I-Fire Fighting FireLock Din F4 Flanged Resilient OS&Y Gate Valve iyivalvu yekhwalithi ephezulu eklanyelwe izinhlelo zokuvikela umlilo. Le valve yenziwe ngokukhethekile ukuze kuqinisekiswe ukusebenza okuthembekile kanye nokulawulwa kahle kokugeleza kwamanzi ezimeni eziphuthumayo.