Petrozavodskmash, AEM-Technologies, JSC Branch (a part of machine-building division of Rosatom State Corporation – Atomenergomash) entered upon manufacture of guide vanes for the housings of reactor coolant pump sets (RCPS) intended for Kudankulam NPP, power unit 5 (the Republic of India).


The first guide vane has already passed the fitting-up and welding operations. As related to other three guide vanes, the fit-up quality was inspected, and Petrozavodskmash workers have set about welding operations.

The guide vane refers to the RCPS internals and consists of upper and lower disks, between which 13 guide blades are to be welded. The guide vane is to be mounted in the pump housing rigidly and is intended for setting centrifugal direction of coolant flow inside the pump. The RCPS housing is the first safety class item. The reactor plant equipment of one power unit includes four RCP sets.


Kudankulam NPP is a nuclear power plant equipped with VVER-1000 reactors which is located in the south of India in Tamil Nadu state. The Engineering Division of Rosatom State Corporation and the Nuclear Power Corporation of India signed an agreement on the third stage construction (Units 5 and 6) of Kudankulam NPP in June 2017.


Joint Stock Company “AEM-Technologies” established in 2007 within JSC “Atomenergomash” – the machine-building subdivision of Rosatom State Corporation –is nowadays one of the leading Russian companies in the field of power machine-building. The company consists of an engineering center staffed with experienced designers and process engineers as well as two manufacturing sites: Petrozavodskmash, AEM-Technologies, JSC Branch in Petrozavodsk and Atommash, AEM-Technologies, JSC Branch in Volgodonsk. 

Source: AEM-technologies Communication Department