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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.)