Oxygen Reducer Oxygen Reducer Bko-50Dm Donmet (Complete With 2 Manometers) Maximum Throughput, M3/H - 50 Maximum Inlet Gas Pressure, Mpa (Kgf/Cm2) - 20 (200) Maximum Working Gas Pressure, Mpa (Kgf/ Cm2) - 1.25 (12.5) Nominal Diameter Of The Rubber-Fabric Sleeve In Mm - 6 (EXPIRED)