... CE approval 1) The material for 230 series valve is brass2) 230 series valve include 230XX.000, 231XX.000, 234XX.000 and ... 0.67, PT=250bar in the fire extinguisher, the busrting disc pressure value for 230 series valve 190±15bar, 200±15bar, 220 ... in the fire extinguisher, the busrting disc pressure value for 230 series valve250±15baris available only. brass CO2 fire extinguisher valve CE Standard ...