CHNLGVF丨i-Valvu Lokugcina lwe-Valve Series ye-CHNLGVF ivumela ukulinda ukulawula kwamanzi nokuhlula, isetshenziselwa izinto ezinhle zokulawula okulawulayo. Izinga eliphezulu kakhulu kwezinto ezilawulayo, zokuthuthukisa okunamathiselwe, zivumela usizo nokwenza okuncintisana. Zonke izivalvu zivumela izimo zokulawula ezimbonini, zivumela izidingo zokusebenza ezahlukene.