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Tuesday
18 Jan 2022

Atommash has Started Manufacturing Equipment for Kudankulam NPP

18 Jan 2022  by Rosatom   

Atommash, AEM-Technologies, JSC Branch in Volgodonsk (a part of machine-building division of Rosatom - Atomenergomash) has started manufacturing a nuclear reactor and steam generators for Unit No. 6 of the Kudankulam NPP in India.

The reactor and steam generator shells have passed the incoming inspection, the items are at the initial operations of the manufacturing cycle. Preliminary work for anticorrosive overlay is being carried out on the flange and bottom of the reactor. At the welding unit, protective overlay is applied to the bodies of the primary circuit collector of the steam generator.

Within the frames of the contract for the fifth and sixth power units of the Kudankulam NPP, JSC AEM-Technologies will manufacture and supply two nuclear reactors with internals and an upper block of the VVER-1000 type, two sets of steam generators, reactor coolant pump set bodies, main circulation piping, emergency core cooling system tanks, passive core flooding system tanks and two pressurizers. The total weight of the items will be about 6,000 tons.

The reactor is an item of the first safety class. It is a vertical cylindrical body with an elliptical bottom. The core and internals are located inside the vessel. From above, the vessel is hermetically sealed with a cover with drives of mechanisms and control and protection bodies installed on it, nozzles for the output of cables of sensors for in-core monitoring.

Steam generator is a heat exchanger and a part of a steam generating unit. Its diameter is more than 4 meters, length is about 14 meters, weight is 340 tons. The set of one NPP power unit includes four steam generators.

Kudankulam NPP is a nuclear power plant with VVER-1000 power units located in the south of India, in the state of Tamil Nadu. The first power unit of the Kudankulam NPP has been steadily operating at the design capacity level of 1000 MW since February 2016. The second power unit was included in the national grid of India on August 29, 2016. The Master Framework Agreement with Rosatom on the construction of the third and fourth units was signed in the spring of 2014. In June 2017, the Engineering Division of Rosatom State Corporation and the Indian Atomic Energy Corporation signed an agreement on the construction of the third stage (power units No. 5 and No. 6) of the Kudankulam NPP.

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