1. 0 degree double nozzle gas valve 2. using in oven,cooker, ... Material:body,brass;stem,brass 0°double nozzle brass valve1),0°double nozzle brass burner valve material composing: body-brass ... valve core----brass,valve stem----brass,valve cap---aluminum2).it’s a ... demand)4).could input the portfire, 0double nozzle brass gas valve gas stove valve