Gas Reducer,Gas Pressure Reducer,brass body,inet thread according to buyer request Unique valve design for maximum control Gas Reducer,Gas Pressure Reducer, MODEL GAS FLOW(M3/h)MAX INLET PRESSURE(bar)WORKING PRESSURE(bar)O-122OXYGEN 302503.0-10.0A-122ACETYLENE 5300.1-1.0P-122PROPANE10300.1-2.5N-122NITROGEN 302503.0-10.0C-122CO2302503..0-10.0 Gas Reducer,Gas Pressure Reducer