Regulating Valve for Oxygen Cylinder Without FlowmeterPressure reducing valves serve to control the oxygen output pressure of the cylinder.Compatible with all models of ABNT standard oxygen cylinders.Regulating Valve for Cylinder with 01 outlet, made of chromed metal(brass), universal inlet thread, high pressure manometer with scale from 0 to 300Kgf/cm², sintered bronze filter, fixed pressure of 3.5 Kgf/cm², outlet nipple with thread in ABNT standard and safety valve.