Gas turbine with flanged-on exhaust gas casing

Claim 1

A gas turbine comprising: a blade carrier for guide blades which is suspended coaxially in a turbine casing, both the turbine casing and the blade carrier provided with a horizontal junction plane in which their respective top and bottom halves are bolted together; an exhaust gas casing downstream of outlet moving blades, the exhaust gas casing adjoining the turbine casing, bounding walls of the exhaust gas casing comprising an annular inner part on a hub side and an annular outer part, said parts bounding a diffuser, the outer part gastightly connected by an annular flange with a flange bolt connector to an annular flange of the turbine casing; and, a two-part separating ring disposed between the annular flanges, the two-part separating ring having at least one conically extending face on a vertical part, a transverse bar portion and screw fasteners radially directed to fasten the transverse bar portion to the annular flanges of the turbine casing and the exhaust gas casing to align the annular flanges.