Page 58 - Steam Turbines Design, Applications, and Rerating
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Turbine Casing and Major Stationary Components  39






















            Figure 2.11 Investment cast diaphragm. (Dresser-Rand Company,
            Wellsville, N.Y.)


            cations, can yield performance comparable to the milled and welded
            design.
              The milled and welded diaphragm consists of individual nozzle
            blocks assembled and welded together, similar to the investment cast
            diaphragms. The most significant difference is in the nozzle block






























            Figure 2.12 Nozzle block being submerged arc welded. (Dresser-Rand Com-
            pany, Wellsville, N.Y.)
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