Gas turbine casing assembly

The present invention relates to a gas turbine housing assembly with a gas turbine casing element (10), a nozzle ring with an outer ring (20) and a shroud (30) which is radially opposed to an adjacent the nozzle ring playpen (40), an intermediate ring (50) with a downstream face (51) includes a housing member fixed upstream stop (61; 61 ') and having an upstream end face (52) of a radial flange (53) of the intermediate ring engages behind an outer ring fixed downstream stop (22) to secure the nozzle ring in the flow direction axially of the gas turbine housing member ,