Qufulka Valve wuxuu xaqiijiyaa in mashiin kasta oo uu ku shaqeeyo waalka uu ahaado mid xiran inta lagu jiro shaqada dayactirka ama dayactirka.Qufulka Valve waxa lagu gaaraa in lagu rakibo aaladaha qufulida waalka ee qaybta shaqada ee waalka, sida shaagagga gacanta ama gacanta, ka dibna lagu xafido meel lagu xidho quful ama quful badbaado.LEDS waxay xiri kartaa dhammaan noocyada kala duwan ee valves: waalka albaabka, valve valve, valve balanbaalis, fiilo fiilo iyo dhululubo, valve pneumatic.La hagaajin karo iyo qufulka waalka caalamiga ah ayaa bixiya dabacsanaan ikhtiyaari ah.