Turbine casing
The turbine casing is composed of the inlet casing,
the outlet casing and inner casing.
The material of each casing is as follows.
- inlet casing(incl. valve casing) Cr-Mo V cast steel(MC562L1)
- outlet casing Carbon Steel Plate(SB410)
- inner casing Cr-Mo forged steel(SFVA F11B)
The outlet casing is installed on the turbine bed. The inlet casing
contains the governor valves and is bolted to the outlet casing.
The inner casing contains diaphragms and is bolted together with the
inlet casing.
- Diaphragms