QS-L801A,single nozzle brass valve aluminum valve single spray valve for oven/cooker with aluminum cap single nozzle brass valve aluminum valve Life time:Minimum40000cyclesDimensional checking:100% according to ISO9001Leakage testing:100%(In open and close positon)Outlet flow testing"100%Life cycle testing:0.05% per shipmentOEM brass gas valve aluminum valve for oven/stove