The diaphragm collar is a welded construction from rolled billets with subsequent machining. It consists of an upper half and a lower half connected by fasteners.
It is designed to be placed in the intracylinder space of CND of steam turbine K-100-90. The diaphragm shell provides the possibility of placing several diaphragms inside it, thus making up the stator part of the steam turbine CND.
Diaphragm shell is made of non-alloyed carbon steel. Operating conditions: superheated water vapour with pressure up to 0,5 MPa, temperature up to 200??.
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