JSC AEM-Tech manufactures for phase II Kudankulam

JSC AEM-technology has embarked on the manufacturing of two sets of steam generators for Units 3 and 4 of Kudankulam NPP, India.
Blanks for two sets of steam generators have to date been delivered to the plant of Volgodonsk branch. Personnel have begun machining SG body shells and large branch pipes. Currently the branch pipes are being welded to the middle shells. After inspections of shell blocks being conducted in the presence of the customer’s representative it is planned to start the assembly of SG bodies.
The steam generator’s diameter is over 4 m, length 15 m, and weight 340T. The SG body is a horizontally oriented vessel with two elliptical end heads, in the middle of which hot coolant supply, and removal headers are located. In the top of the vessel there is the steam room, while the bottom accommodates a heat exchange surface composed of 11,000 stainless steel tubes of 16 mm diameter and 10 to 15 m length. The ends of the tubes are joined to the two headers. The set of equipment for one power unit of an NPP of this type includes 4 steam generators. 

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